Remove style

* Use IShellItemArray as the backing array of item

* Finalize and cleanup NFQ implementation

* Cleanup remainder of the code

* Remove unused using

.github/actions/spell-check/excludes.txt

@@ -3,11 +3,11 @@
 (?:^|/)(?i)LICEN[CS]E
 (?:^|/)3rdparty/
 (?:^|/)go\.sum$
-(?:^|/)MonacoPreviewHandler/customLanguages/
-(?:^|/)MonacoPreviewHandler/generateLanguagesJson.html
-(?:^|/)MonacoPreviewHandler/index.html
-(?:^|/)MonacoPreviewHandler/monaco_languages.json
-(?:^|/)MonacoPreviewHandler/monacoSpecialLanguages.js
+(?:^|/)FilePreviewCommon/customLanguages/
+(?:^|/)FilePreviewCommon/generateLanguagesJson.html
+(?:^|/)FilePreviewCommon/index.html
+(?:^|/)FilePreviewCommon/monaco_languages.json
+(?:^|/)FilePreviewCommon/monacoSpecialLanguages.js
 (?:^|/)monacoSRC/
 (?:^|/)package(?:-lock|)\.json$
 (?:^|/)timezones\.json$

.github/actions/spell-check/expect.txt

@@ -7,6 +7,7 @@ AACD
 AAD
 AADF
 abap
+Abbrivation
 ABE
 abgr
 abi
@@ -58,6 +59,7 @@ alekhyareddy
 ALLAPPS
 ALLINPUT
 ALLOWUNDO
+ALLVIEW
 ALPHATYPE
 Altdown
 alwaysontop
@@ -76,6 +78,7 @@ aocfnapldcnfbofgmbbllojgocaelgdd
 AOT
 APARTMENTTHREADED
 APeriod
+apidl
 APIENTRY
 APIIs
 APPBARDATA
@@ -100,6 +103,7 @@ ARCHITEW
 arcosh
 ARemapped
 argb
+ari
 arik
 Arity
 arjunbalgovind
@@ -108,6 +112,8 @@ ARPPRODUCTICON
 ARRAYSIZE
 arsinh
 artanh
+Artsakh
+arw
 asdf
 AShortcut
 ASingle
@@ -157,6 +163,8 @@ BEB
 BEEAADF
 BEEC
 BEFA
+Belarus
+BESTEFFORT
 betadele
 betsegaw
 BFC
@@ -167,6 +175,7 @@ BFFA
 BGR
 bgra
 bhid
+BHIDSF
 bigbar
 bigobj
 binlog
@@ -212,7 +221,10 @@ bugreport
 BUILDNUMBER
 buildtask
 buildtransitive
+Burkina
+Buryatia
 BUTTONUP
+BVal
 BValue
 BYPOSITION
 bytearray
@@ -220,10 +232,12 @@ CABD
 CALG
 callbackptr
 cameligo
+calpwstr
 Cangjie
 CANRENAME
 CAPTUREBLT
 CAPTURECHANGED
+CARRAY
 CAtl
 CBA
 CBB
@@ -247,6 +261,7 @@ CEAF
 CEBAC
 CEBD
 CECB
+CElems
 CENTERALIGN
 ceq
 certlm
@@ -263,8 +278,12 @@ chdir
 CHILDACTIVATE
 CHILDWINDOW
 chrdavis
+Chromakey
 Chrzan
 CHT
+Chukotka
+Chuuk
+cidl
 CIELAB
 CIEXYZ
 cim
@@ -362,6 +381,7 @@ CRECT
 critsec
 Crossdevice
 CRSEL
+crw
 CSearch
 CSettings
 CSIDL
@@ -380,6 +400,7 @@ CURSORINFO
 cursorpos
 customaction
 CUSTOMACTIONTEST
+CVal
 cvd
 CVirtual
 cvtepu
@@ -399,6 +420,8 @@ Dac
 dacl
 DAF
 damienleroy
+DANGEROUSLYCOMMITMERELYTODISKCACHE
+Danmarkshavn
 DARKPURPLE
 DARKTEAL
 DARKYELLOW
@@ -428,12 +451,15 @@ dcommon
 dcomp
 dcompi
 DComposition
-DCR
-DCs
+dcr
+dcs
+Dct
 DDCDD
 DDCE
+DDEIf
 DDevice
 ddf
+Dds
 DDxgi
 Deact
 debian
@@ -453,6 +479,7 @@ DEFERERASE
 DEFPUSHBUTTON
 deinitialization
 DELA
+DELAYCREATION
 DELETEDKEYIMAGE
 DELETESCANS
 deletethis
@@ -510,6 +537,7 @@ DQTYPE
 DRAWFRAME
 drawingcolor
 dreamsofameaningfullife
+drf
 drivedetectionwarning
 dshow
 DSTINVERT
@@ -526,6 +554,7 @@ DVTARGETDEVICE
 DWINRT
 dwl
 dwm
+Dwma
 dwmapi
 DWMCOLORIZATIONCOLORCHANGED
 DWMCOMPOSITIONCHANGED
@@ -581,6 +610,7 @@ EFDD
 EFE
 EFFEFC
 EFile
+eip
 ekus
 emmintrin
 Emoji
@@ -619,9 +649,13 @@ EWXLOGOFF
 EWXPOWEROFF
 EWXREBOOT
 EWXSHUTDOWN
+Exa
+exabyte
 examplehandler
 examplepowertoy
 EXAND
+Excep
+EXCEPINFO
 EXCLUDEFROMCAPTURE
 exdisp
 executionpolicy
@@ -637,6 +671,8 @@ EXSEL
 exstyle
 EXTENDEDKEY
 EXTENDEDVERBS
+EXTRINSICPROPERTIES
+EXTRINSICPROPERTIESONLY
 eyetracker
 FABC
 fabricbot
@@ -649,6 +685,7 @@ FANCYZONESDRAWLAYOUTTEST
 FANCYZONESEDITOR
 Farbraum
 FARPROC
+FASTPROPERTIESONLY
 FBB
 FBC
 FBDE
@@ -691,7 +728,7 @@ FILEOP
 FILEOS
 FILESUBTYPE
 FILESYSPATH
-FILETIME
+filetime
 FILEVERSION
 Filtergraph
 Filterkeyboard
@@ -736,6 +773,7 @@ GETDLGCODE
 GETDPISCALEDSIZE
 GETICON
 GETMINMAXINFO
+GETPROPERTYSTOREFLAGS
 GETSTATE
 GETTEXT
 GETTEXTLENGTH
@@ -759,6 +797,8 @@ gwl
 GWLP
 HACCEL
 handlekeyboardhookevent
+HANDLERPROPERTIESONLY
+handlerroutine
 hangeul
 Hankaku
 hanselman
@@ -782,6 +822,7 @@ HCRYPTHASH
 HCRYPTPROV
 hcwhite
 hdc
+HDR
 hdrop
 hdwwiz
 HEB
@@ -795,8 +836,9 @@ HHmmss
 HHOOK
 hhx
 HIBYTE
-HICON
+hicon
 HIDEWINDOW
+hif
 highlighter
 HIMAGELIST
 himl
@@ -818,6 +860,7 @@ hmodule
 hmonitor
 HOLDENTER
 HOLDESC
+holemenu
 HOMEPATH
 homljgmgpmcbpjbnjpfijnhipfkiclkd
 HOOKPROC
@@ -846,6 +889,7 @@ HTCLIENT
 HTHUMBNAIL
 HTOUCHINPUT
 HTTRANSPARENT
+HVal
 HValue
 Hvci
 hwb
@@ -859,12 +903,18 @@ HWNDPREV
 hyjiacan
 IBase
 IBeam
+IBitmap
+IBlock
 ICapture
 ICEBLUE
 IClass
+IColor
+icolumn
 ICONERROR
+IContext
 IData
 IDD
+IDecoder
 IDesktop
 IDirect
 idl
@@ -873,16 +923,21 @@ IDOn
 IDR
 idx
 IDXGI
+IEncoder
+IEnum
 IExec
 IEXPLORE
 Iface
 IFACEMETHOD
 IFACEMETHODIMP
+IFile
 IFilter
 IGraphics
 iid
+IIDI
 Iindex
 IIO
+iiq
 Ijwhost
 IKs
 ILogon
@@ -894,6 +949,7 @@ imageresizerinput
 imageresizersettings
 imagingdevices
 ime
+IMetadata
 imeutil
 inetcpl
 Infobar
@@ -931,14 +987,17 @@ Interlop
 INTRESOURCE
 INVALIDARG
 invalidoperatioexception
+IPalette
 ipc
 ipcmanager
 IPlugin
 IPower
-IPREVIEW
+ipreview
 ipreviewhandlervisualssetfont
 IProperty
 IPublic
+IQuery
+IReader
 irprops
 isbi
 ISearch
@@ -946,10 +1005,13 @@ ISettings
 isfinite
 IShell
 isocpp
+ISource
 iss
+ISurface
 ITask
 ith
-ITHUMBNAIL
+ithumbnail
+Ittoqqortoormiit
 IUI
 IUnknown
 IWbem
@@ -957,8 +1019,10 @@ IWIC
 iwr
 IYUV
 JArray
+jfi
 jfif
 jgeosdfsdsgmkedfgdfgdfgbkmhcgcflmi
+jif
 jjw
 jobject
 joefinapps
@@ -973,6 +1037,8 @@ jxr
 jyuwono
 KBDLLHOOKSTRUCT
 kbm
+kdc
+Keybd
 KEYBDINPUT
 keyboardeventhandlers
 keyboardmanager
@@ -1008,6 +1074,7 @@ LBUTTON
 LBUTTONDBLCLK
 LBUTTONDOWN
 LBUTTONUP
+Lcid
 LCIDTo
 lcl
 Lclean
@@ -1050,6 +1117,8 @@ LOCALPACKAGE
 localport
 LOCALSYSTEM
 LOCATIONCHANGE
+LOCKBYTES
+LOCKTYPE
 logconsole
 logfile
 LOGFONT
@@ -1101,6 +1170,7 @@ LTRB
 LTRREADING
 luid
 lusrmgr
+LVal
 LWA
 lwin
 LZero
@@ -1133,6 +1203,9 @@ MBUTTON
 MBUTTONDBLCLK
 MBUTTONDOWN
 MBUTTONUP
+MCDT
+MCST
+mdc
 MDICHILD
 MDL
 mdtext
@@ -1140,6 +1213,8 @@ mdtxt
 mdwn
 MEDIASUBTYPE
 mediatype
+mef
+Mega
 Melman
 MENUITEMINFO
 MENUITEMINFOW
@@ -1208,6 +1283,7 @@ mozilla
 mpmc
 MRM
 mru
+mrw
 msbuild
 msc
 msclr
@@ -1263,6 +1339,7 @@ NCRBUTTONUP
 NCRENDERING
 ndp
 NEEDDISPATCH
+neighborings
 Nemeth
 NESW
 netcore
@@ -1306,6 +1383,7 @@ NONCONVERT
 NONELEVATED
 NONINFRINGEMENT
 nonstd
+NOOPEN
 NOOWNERZORDER
 NOPARENTNOTIFY
 NOREDIRECTIONBITMAP
@@ -1334,6 +1412,7 @@ NOUPDATE
 NOZORDER
 NPH
 NResize
+nrw
 NTAPI
 ntdll
 ntfs
@@ -1366,14 +1445,20 @@ OLEDB
 OLIVEGREEN
 onebranch
 onenote
+ONLYIFCURRENT
+ONLYONCE
 onstd
 oobe
 OOBEPT
 opencode
+OPENSLOWITEM
 opensource
+openspecs
 openxmlformats
+OPLOCK
 OPTIMIZEFORINVOKE
 ORAW
+ori
 ORPHANEDDIALOGTITLE
 ORSCANS
 oss
@@ -1390,6 +1475,7 @@ outro
 outsettings
 OVERLAPPEDWINDOW
 overlaywindow
+overriden
 Oversampling
 OWNDC
 Packagemanager
@@ -1415,10 +1501,14 @@ PATINVERT
 PATPAINT
 PAUDIO
 pbc
-Pbgra
+pbgra
+PBlob
 pcb
+pcch
+pcelt
 pch
 PCIDLIST
+pcs
 PCWSTR
 pdb
 pdbonly
@@ -1428,10 +1518,14 @@ pdtobj
 pdw
 PDWORD
 pedrolamas
+pef
+PElems
 Pels
 PERCEIVEDFLAG
+Percision
 perfmon
 pesi
+petabyte
 peteblois
 PEXCEPTION
 pfn
@@ -1440,6 +1534,7 @@ pft
 pgp
 pgsql
 pguid
+pkey
 PHANDLE
 PHANDLER
 phbm
@@ -1482,10 +1577,13 @@ POWERTOYNAME
 powertoyssetup
 powertoysusersetup
 Powrprof
+ppenum
 ppidl
 ppmt
 pprm
 pproc
+pprop
+ppshv
 ppsi
 ppsid
 ppsrm
@@ -1495,9 +1593,11 @@ pptal
 ppv
 prc
 precomp
+PREFERQUERYPROPERTIES
 Prefixer
 Preinstalled
 prevhost
+Previer
 previewer
 PREVIEWHANDLERFRAMEINFO
 previewpane
@@ -1505,6 +1605,7 @@ previouscamera
 PREVIOUSINSTALLFOLDER
 PREVIOUSVERSIONSINSTALLED
 prevpane
+PRGBA
 prgms
 pri
 PRINTCLIENT
@@ -1521,15 +1622,21 @@ PROGRAMFILES
 projectname
 PROPBAG
 PROPERTYKEY
+PROPERTYNOTFOUND
 propkey
+PROPVARIANT
 propvarutil
 prvpane
 psapi
+pscid
 PSECURITY
 psfgao
+psfi
 Psr
 psrm
 psrree
+pstatstg
+pstm
 pstr
 pstream
 pstrm
@@ -1541,7 +1648,9 @@ ptd
 PTOKEN
 PToy
 ptstr
+pui
 PULONG
+pvar
 pwa
 pwcs
 pwsh
@@ -1562,13 +1671,16 @@ QUNS
 qwertyuiopasdfghjklzxcvbnm
 qword
 qwrtyuiopsghjklzxvnm
+raf
 RAII
 RAlt
 randyrants
+Rasterize
 RAWINPUT
 RAWINPUTDEVICE
 RAWINPUTHEADER
 RAWPATH
+rbhid
 Rbp
 RBUTTON
 RBUTTONDBLCLK
@@ -1637,10 +1749,15 @@ restrictederrorinfo
 resultlist
 resw
 resx
+retunred
 retval
 rfc
+rfid
+RGBE
 RGBQUAD
 rgbs
+rgelt
+rgf
 rgn
 rgs
 rhs
@@ -1688,9 +1805,13 @@ Rutkas
 RValue
 rvm
 rwin
+rwl
+rwz
 ryanbodrug
 saahmedm
+sachaple
 sacl
+SAFEARRAY
 safeprojectname
 SAMEKEYPREVIOUSLYMAPPED
 SAMESHORTCUTPREVIOUSLYMAPPED
@@ -1699,8 +1820,10 @@ SAVEFAILED
 scancode
 scanled
 schedtasks
+SCID
 Scip
 scipbe
+Scode
 scoobe
 SCOPEID
 screenshot
@@ -1739,15 +1862,19 @@ SFP
 sharpkeys
 SHCNE
 SHCNF
+SHCONTF
 shcore
 shellapi
+SHELLDETAILS
 SHELLDLL
 shellex
 SHELLEXECUTEINFO
 SHELLEXECUTEINFOW
 shellscalingapi
 SHFILEINFO
+SHGDNF
 SHGFI
+Shgno
 Shl
 shldisp
 shlobj
@@ -1777,6 +1904,7 @@ SHOWNOACTIVATE
 SHOWNORMAL
 SHOWWINDOW
 shtypes
+SIATTRIBFLAGS
 SICHINT
 sid
 siex
@@ -1803,6 +1931,7 @@ smartphone
 SMTO
 snd
 snwprintf
+Softcoded
 softline
 somil
 Soref
@@ -1829,6 +1958,8 @@ SRCINVERT
 SRCPAINT
 sre
 SResize
+srf
+SRGB
 srme
 srre
 srw
@@ -1857,15 +1988,20 @@ STDMETHODCALLTYPE
 STDMETHODIMP
 stefan
 Stereolithography
+STGC
 STGM
 STGMEDIUM
+STGTY
 sticpl
 stl
 storelogo
 STRINGIZE
 stringtable
 stringval
+Strm
 Strmiids
+Stroe
+Strret
 strsafe
 strutil
 sttngs
@@ -1928,6 +2064,7 @@ taskschd
 tchar
 tcl
 Tcollab
+tcs
 tcscpy
 TCustom
 tdbuild
@@ -1937,6 +2074,8 @@ telem
 telephon
 Templated
 templatenamespace
+Tenggara
+terabyte
 testapp
 testcase
 testhost
@@ -1956,13 +2095,17 @@ timedate
 timediff
 timeunion
 timeutil
+timezones
+titlebar
 Titlecase
 TKey
 TLayout
 tlb
+tlbimp
 TMPVAR
 TNP
 toggleswitch
+toogle
 toolkitcontrols
 toolkitconverters
 Toolset
@@ -2008,6 +2151,7 @@ uipi
 UIs
 ULARGE
 ULONGLONG
+UMsg
 unassign
 uncompilable
 UNCPRIORITY
@@ -2030,6 +2174,7 @@ unregistering
 unremapped
 unsubscribe
 unvirtualized
+UOffset
 Updatelayout
 UPGRADINGPRODUCTCODE
 Uptool
@@ -2037,6 +2182,7 @@ Usb
 USEDEFAULT
 USEFILEATTRIBUTES
 USERDATA
+USERDEFINED
 USERDOMAIN
 userprofile
 USESHOWWINDOW
@@ -2044,6 +2190,7 @@ USESTDHANDLES
 USRDLL
 Utc
 utf
+UType
 uuidof
 uwp
 uxtheme
@@ -2052,6 +2199,7 @@ vabdq
 validmodulename
 Vanara
 variantassignment
+VARTYPE
 vcamp
 vccorlib
 vcdl
@@ -2071,6 +2219,7 @@ VERBSONLY
 VERBW
 VERIFYCONTEXT
 verrsrc
+VERSIONED
 VERSIONINFO
 Versioning
 VFT
@@ -2124,6 +2273,7 @@ WDA
 wdp
 wdupenv
 weakme
+webbrowser
 webcam
 webpage
 websearch
@@ -2151,7 +2301,7 @@ WINDOWNAME
 WINDOWPLACEMENT
 WINDOWPOSCHANGED
 WINDOWPOSCHANGING
-Windowsapp
+windowsapp
 WINDOWSBUILDNUMBER
 Windowscodecs
 windowssearch
@@ -2202,6 +2352,7 @@ wmimgmt
 WMKEYDOWN
 WMKEYUP
 wmp
+WMSDK
 WMSYSKEYDOWN
 WMSYSKEYUP
 wnd
@@ -2222,14 +2373,17 @@ wpr
 wprp
 wql
 wregex
+WReserved
 WResize
 writefile
 Wrk
 wrl
+WScan
 wscui
 wsf
 wsh
 wsl
+wsp
 wss
 wstr
 wsz
@@ -2240,6 +2394,7 @@ WTSAT
 Wubi
 wuceffectsi
 WVC
+WVk
 Wwan
 Wwanpp
 XAttribute
@@ -2273,6 +2428,7 @@ yinwang
 yinyue
 YOffset
 ypescript
+YQuantized
 YResolution
 YStr
 YUY

.pipelines/ESRPSigning_core.json

@@ -12,6 +12,7 @@
                 "Notifications.dll",
                 "os-detection.dll",
                 "PowerToys.exe",
+                "PowerToys.FilePreviewCommon.dll",
                 "PowerToys.Interop.dll",
                 "BugReportTool\\PowerToys.BugReportTool.exe",
                 "WebcamReportTool\\PowerToys.WebcamReportTool.exe",
@@ -88,6 +89,13 @@
                 "modules\\FileLocksmith\\PowerToys.FileLocksmithUI.exe",
                 "modules\\FileLocksmith\\PowerToys.FileLocksmithUI.dll",
 
+                "modules\\Peek\\Peek.Common.dll",
+                "modules\\Peek\\Peek.FilePreviewer.dll",
+                "modules\\Peek\\Powertoys.Peek.UI.dll",
+                "modules\\Peek\\Powertoys.Peek.UI.exe",
+                "modules\\Peek\\WIC.dll",
+                "modules\\Peek\\Powertoys.Peek.dll",
+
                 "modules\\ImageResizer\\PowerToys.ImageResizer.exe",
                 "modules\\ImageResizer\\PowerToys.ImageResizer.dll",
                 "modules\\ImageResizer\\PowerToys.ImageResizerExt.dll",

PowerToys.sln

@@ -464,6 +464,18 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "GPOWrapper", "src\common\GP
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GPOWrapperProjection", "src\common\GPOWrapperProjection\GPOWrapperProjection.csproj", "{00EE9BA6-4E8F-43CA-960D-D4882F0FBB97}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Peek", "Peek", "{17B4FA70-001E-4D33-BBBB-0D142DBC2E20}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Peek", "src\modules\peek\peek\peek.vcxproj", "{A1425B53-3D61-4679-8623-E64A0D3D0A48}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Peek.UI", "src\modules\peek\Peek.UI\Peek.UI.csproj", "{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Peek.Common", "src\modules\peek\Peek.Common\Peek.Common.csproj", "{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Peek.FilePreviewer", "src\modules\peek\Peek.FilePreviewer\Peek.FilePreviewer.csproj", "{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WIC", "src\modules\peek\WIC\WIC.csproj", "{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}"
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "MarkdownPreviewHandlerCpp", "src\modules\previewpane\MarkdownPreviewHandlerCpp\MarkdownPreviewHandlerCpp.vcxproj", "{ED9A1AC6-AEB0-4569-A6E9-E1696182B545}"
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "GcodePreviewHandlerCpp", "src\modules\previewpane\GcodePreviewHandlerCpp\GcodePreviewHandlerCpp.vcxproj", "{5A5DD09D-723A-44D3-8F2B-293584C3D731}"
@@ -500,6 +512,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "RegistryPreviewExt", "src\m
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "RegistryPreview", "RegistryPreview", "{929C1324-22E8-4412-A9A8-80E85F3985A5}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FilePreviewCommon", "src\common\FilePreviewCommon\FilePreviewCommon.csproj", "{9EBAA524-0EDA-470B-95D4-39383285CBB2}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|ARM64 = Debug|ARM64
@@ -1904,6 +1918,72 @@ Global
 		{00EE9BA6-4E8F-43CA-960D-D4882F0FBB97}.Release|x64.Build.0 = Release|x64
 		{00EE9BA6-4E8F-43CA-960D-D4882F0FBB97}.Release|x86.ActiveCfg = Release|x64
 		{00EE9BA6-4E8F-43CA-960D-D4882F0FBB97}.Release|x86.Build.0 = Release|x64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Debug|ARM64.Build.0 = Debug|ARM64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Debug|x64.ActiveCfg = Debug|x64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Debug|x64.Build.0 = Debug|x64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Debug|x86.ActiveCfg = Debug|x64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Debug|x86.Build.0 = Debug|x64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Release|ARM64.ActiveCfg = Release|ARM64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Release|ARM64.Build.0 = Release|ARM64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Release|x64.ActiveCfg = Release|x64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Release|x64.Build.0 = Release|x64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Release|x86.ActiveCfg = Release|x64
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48}.Release|x86.Build.0 = Release|x64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Debug|ARM64.Build.0 = Debug|ARM64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Debug|ARM64.Deploy.0 = Debug|ARM64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Debug|x64.ActiveCfg = Debug|x64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Debug|x64.Build.0 = Debug|x64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Debug|x64.Deploy.0 = Debug|x64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Debug|x86.ActiveCfg = Debug|x86
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Debug|x86.Build.0 = Debug|x86
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Debug|x86.Deploy.0 = Debug|x86
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Release|ARM64.ActiveCfg = Release|ARM64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Release|ARM64.Build.0 = Release|ARM64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Release|ARM64.Deploy.0 = Release|ARM64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Release|x64.ActiveCfg = Release|x64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Release|x64.Build.0 = Release|x64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Release|x64.Deploy.0 = Release|x64
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Release|x86.ActiveCfg = Release|x86
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Release|x86.Build.0 = Release|x86
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03}.Release|x86.Deploy.0 = Release|x86
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Debug|ARM64.Build.0 = Debug|ARM64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Debug|x64.ActiveCfg = Debug|x64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Debug|x64.Build.0 = Debug|x64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Debug|x86.ActiveCfg = Debug|x64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Debug|x86.Build.0 = Debug|x64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Release|ARM64.ActiveCfg = Release|ARM64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Release|ARM64.Build.0 = Release|ARM64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Release|x64.ActiveCfg = Release|x64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Release|x64.Build.0 = Release|x64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Release|x86.ActiveCfg = Release|x64
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB}.Release|x86.Build.0 = Release|x64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Debug|ARM64.Build.0 = Debug|ARM64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Debug|x64.ActiveCfg = Debug|x64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Debug|x64.Build.0 = Debug|x64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Debug|x86.ActiveCfg = Debug|x64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Debug|x86.Build.0 = Debug|x64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Release|ARM64.ActiveCfg = Release|ARM64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Release|ARM64.Build.0 = Release|ARM64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Release|x64.ActiveCfg = Release|x64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Release|x64.Build.0 = Release|x64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Release|x86.ActiveCfg = Release|x64
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC}.Release|x86.Build.0 = Release|x64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Debug|ARM64.Build.0 = Debug|ARM64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Debug|x64.ActiveCfg = Debug|x64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Debug|x64.Build.0 = Debug|x64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Debug|x86.ActiveCfg = Debug|x64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Debug|x86.Build.0 = Debug|x64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Release|ARM64.ActiveCfg = Release|ARM64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Release|ARM64.Build.0 = Release|ARM64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Release|x64.ActiveCfg = Release|x64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Release|x64.Build.0 = Release|x64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Release|x86.ActiveCfg = Release|x64
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF}.Release|x86.Build.0 = Release|x64
 		{ED9A1AC6-AEB0-4569-A6E9-E1696182B545}.Debug|ARM64.ActiveCfg = Debug|ARM64
 		{ED9A1AC6-AEB0-4569-A6E9-E1696182B545}.Debug|ARM64.Build.0 = Debug|ARM64
 		{ED9A1AC6-AEB0-4569-A6E9-E1696182B545}.Debug|x64.ActiveCfg = Debug|x64
@@ -2096,6 +2176,18 @@ Global
 		{697C6AF9-0A48-49A9-866C-67DA12384015}.Release|x64.Build.0 = Release|x64
 		{697C6AF9-0A48-49A9-866C-67DA12384015}.Release|x86.ActiveCfg = Release|x64
 		{697C6AF9-0A48-49A9-866C-67DA12384015}.Release|x86.Build.0 = Release|x64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Debug|ARM64.Build.0 = Debug|ARM64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Debug|x64.ActiveCfg = Debug|x64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Debug|x64.Build.0 = Debug|x64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Debug|x86.ActiveCfg = Debug|x64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Debug|x86.Build.0 = Debug|x64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Release|ARM64.ActiveCfg = Release|ARM64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Release|ARM64.Build.0 = Release|ARM64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Release|x64.ActiveCfg = Release|x64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Release|x64.Build.0 = Release|x64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Release|x86.ActiveCfg = Release|x64
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2}.Release|x86.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -2255,6 +2347,12 @@ Global
 		{C604B37E-9D0E-4484-8778-E8B31B0E1B3A} = {AB82E5DD-C32D-4F28-9746-2C780846188E}
 		{E599C30B-9DC8-4E5A-BF27-93D4CCEDE788} = {1AFB6476-670D-4E80-A464-657E01DFF482}
 		{00EE9BA6-4E8F-43CA-960D-D4882F0FBB97} = {1AFB6476-670D-4E80-A464-657E01DFF482}
+		{17B4FA70-001E-4D33-BBBB-0D142DBC2E20} = {4574FDD0-F61D-4376-98BF-E5A1262C11EC}
+		{A1425B53-3D61-4679-8623-E64A0D3D0A48} = {17B4FA70-001E-4D33-BBBB-0D142DBC2E20}
+		{9D7A6DE0-7D27-424D-ABAE-41B2161F9A03} = {17B4FA70-001E-4D33-BBBB-0D142DBC2E20}
+		{17A99C7C-0BFF-45BB-A9FD-63A0DDC105BB} = {17B4FA70-001E-4D33-BBBB-0D142DBC2E20}
+		{AA9F0AF8-7924-4D59-BAA1-E36F1304E0DC} = {17B4FA70-001E-4D33-BBBB-0D142DBC2E20}
+		{21B69DE5-59FD-4C5D-A142-EF1C1C430EAF} = {17B4FA70-001E-4D33-BBBB-0D142DBC2E20}
 		{ED9A1AC6-AEB0-4569-A6E9-E1696182B545} = {2F305555-C296-497E-AC20-5FA1B237996A}
 		{5A5DD09D-723A-44D3-8F2B-293584C3D731} = {2F305555-C296-497E-AC20-5FA1B237996A}
 		{B3E869C4-8210-4EBD-A621-FF4C4AFCBFA9} = {2F305555-C296-497E-AC20-5FA1B237996A}
@@ -2273,6 +2371,7 @@ Global
 		{FD86C06A-FB54-4D5E-9831-1CDADF60D45F} = {929C1324-22E8-4412-A9A8-80E85F3985A5}
 		{697C6AF9-0A48-49A9-866C-67DA12384015} = {929C1324-22E8-4412-A9A8-80E85F3985A5}
 		{929C1324-22E8-4412-A9A8-80E85F3985A5} = {4574FDD0-F61D-4376-98BF-E5A1262C11EC}
+		{9EBAA524-0EDA-470B-95D4-39383285CBB2} = {1AFB6476-670D-4E80-A464-657E01DFF482}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {C3A2F9D1-7930-4EF4-A6FC-7EE0A99821D0}

README.md

@@ -112,6 +112,10 @@ In this release, we focused on releasing new features, stability and improvement
 
 - Fix window cycling on multiple monitors issue.
 
+### File explorer add-ons
+
+- Added .log file support to the Monaco preview handler. Thanks [@Eagle3386](https://github.com/Eagle3386)!
+
 ### File Locksmith
 
 - Add context menu icon. Thanks [@htcfreek](https://github.com/htcfreek)!

installer/PowerToysSetup/Common.wxi

@@ -16,6 +16,7 @@
   <?define HostsProjectName="Hosts"?>
   <?define PastePlainProjectName="PastePlain"?>
   <?define RegistryPreviewProjectName="RegistryPreview"?>
+  <?define PeekProjectName="Peek"?>
   
   <?define RepoDir="$(var.ProjectDir)..\..\" ?>
   <?if $(var.Platform) = x64?>

installer/PowerToysSetup/FileExplorerPreview.wxs

@@ -6,8 +6,8 @@
 
   <?define PowerPreviewFiles=?>
   <?define PowerPreviewFilesPath=$(var.BinDir)modules\FileExplorerPreview\?>
-  <?define MonacoCustomLanguagesFiles=?>
-  <?define MonacoCustomLanguagesFilesPath=$(var.BinDir)modules\FileExplorerPreview\customLanguages\?>
+  <?define MonacoPreviewHandlerCustomLanguagesFiles=?>
+  <?define MonacoPreviewHandlerCustomLanguagesFilesPath=$(var.BinDir)modules\FileExplorerPreview\customLanguages\?>
 
   <Fragment>
     <DirectoryRef Id="FileExplorerPreviewInstallFolder" FileSource="$(var.PowerPreviewFilesPath)">
@@ -15,9 +15,9 @@
     <!--PowerPreviewFiles_Component_Def-->
     </DirectoryRef>
 
-    <DirectoryRef Id="MonacoPreviewHandlerMonacoCustomLanguagesFolder" FileSource="$(var.MonacoCustomLanguagesFilesPath)">
+    <DirectoryRef Id="MonacoPreviewHandlerMonacoCustomLanguagesFolder" FileSource="$(var.MonacoPreviewHandlerCustomLanguagesFilesPath)">
     <!-- Generated by generateFileComponents.ps1 -->
-    <!--MonacoCustomLanguagesFiles_Component_Def-->
+    <!--MonacoPreviewHandlerCustomLanguagesFiles_Component_Def-->
     </DirectoryRef>
 
     <ComponentGroup Id="FileExplorerPreviewComponentGroup">
@@ -26,7 +26,7 @@
           <RegistryValue Type="string" Name="RemoveFileExplorerPreviewFolder" Value="" KeyPath="yes"/>
         </RegistryKey>
         <RemoveFolder Id="RemoveFolderFileExplorerPreviewFolder" Directory="FileExplorerPreviewInstallFolder" On="uninstall"/>
-        <RemoveFolder Id="RemoveFolderMonacoCustomLanguagesFolder" Directory="MonacoPreviewHandlerMonacoCustomLanguagesFolder" On="uninstall"/>
+        <RemoveFolder Id="RemoveFolderMonacoPreviewHandlerCustomLanguagesFolder" Directory="MonacoPreviewHandlerMonacoCustomLanguagesFolder" On="uninstall"/>
         <RemoveFolder Id="RemoveFolderMonacoPreviewHandlerMonacoSRCFolder" Directory="MonacoPreviewHandlerMonacoSRCFolder" On="uninstall"/>
       </Component>
     </ComponentGroup>

installer/PowerToysSetup/Peek.wxs

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi"
+     xmlns:util="http://schemas.microsoft.com/wix/UtilExtension" >
+
+  <?include $(sys.CURRENTDIR)\Common.wxi?>
+
+  <?define PeekFiles=?>
+  <?define PeekFilesPath=$(var.BinDir)modules\$(var.PeekProjectName)\?>
+  <?define PeekAssetsFiles=?>
+  <?define PeekAssetsFilesPath=$(var.BinDir)modules\$(var.PeekProjectName)\Assets\?>
+
+  <Fragment>
+    <DirectoryRef Id="PeekInstallFolder" FileSource="$(var.PeekFilesPath)">
+    <!-- Generated by generateFileComponents.ps1 -->
+    <!--PeekFiles_Component_Def-->
+    </DirectoryRef>
+
+    <DirectoryRef Id="PeekMicrosoftUIXamlAssetsInstallFolder" FileSource="$(var.BinDir)modules\$(var.PeekProjectName)\Microsoft.UI.Xaml\Assets">
+      <Component Id="PeekMicrosoftUIXamlAssets_NoiseAsset_256x256_PNG" Win64="yes" Guid="754276D6-F258-4161-8DED-9A6CBB168305">
+        <RegistryKey Root="$(var.RegistryScope)" Key="Software\Classes\powertoys\components">
+          <RegistryValue Type="string" Name="PeekMicrosoftUIXamlAssets_NoiseAsset_256x256_PNG" Value="" KeyPath="yes"/>
+        </RegistryKey>
+        <File Id="PeekMicrosoftUIXamlAssetsFile_NoiseAsset_256x256_PNG" Source="$(var.BinDir)modules\$(var.PeekProjectName)\Microsoft.UI.Xaml\Assets\NoiseAsset_256x256_PNG.png" />
+      </Component>
+    </DirectoryRef>
+
+    <DirectoryRef Id="PeekAssetsFolder" FileSource="$(var.PeekAssetsFilesPath)">
+    <!-- Generated by generateFileComponents.ps1 -->
+    <!--PeekAssetsFiles_Component_Def-->
+    </DirectoryRef>
+
+    <ComponentGroup Id="PeekComponentGroup">
+      <Component Id="RemovePeekFolder" Guid="EF9422D7-FF0A-4887-968A-E61B53ACD23A" Directory="PeekInstallFolder" >
+        <RegistryKey Root="$(var.RegistryScope)" Key="Software\Classes\powertoys\components">
+          <RegistryValue Type="string" Name="RemovePeekFolder" Value="" KeyPath="yes"/>
+        </RegistryKey>
+        <RemoveFolder Id="RemoveFolderPeekFolder" Directory="PeekInstallFolder" On="uninstall"/>
+        <RemoveFolder Id="RemoveFolderPeekAssetsFolder" Directory="PeekAssetsFolder" On="uninstall"/>
+        <RemoveFolder Id="RemoveFolderPeekMicrosoftUIXamlFolder" Directory="PeekMicrosoftUIXamlInstallFolder" On="uninstall"/>
+        <RemoveFolder Id="RemoveFolderPeekMicrosoftUIXamlAssetsFolder" Directory="PeekMicrosoftUIXamlAssetsInstallFolder" On="uninstall"/>
+      </Component>
+      <ComponentRef Id="PeekMicrosoftUIXamlAssets_NoiseAsset_256x256_PNG" />
+    </ComponentGroup>
+
+  </Fragment>
+</Wix>

installer/PowerToysSetup/PowerToysInstaller.wixproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" InitialTargets="EnsureNuGetPackageBuildImports" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="..\wix.props" Condition="Exists('..\wix.props')" />
   <Import Project="..\..\src\Version.props" />
@@ -39,6 +39,7 @@ call "..\..\..\publish.cmd" arm64
     call move /Y ..\..\..\KeyboardManager.wxs.bk ..\..\..\KeyboardManager.wxs
     call move /Y ..\..\..\MeasureTool.wxs.bk ..\..\..\MeasureTool.wxs
     call move /Y ..\..\..\MouseUtils.wxs.bk ..\..\..\MouseUtils.wxs
+    call move /Y ..\..\..\Peek.wxs.bk ..\..\..\Peek.wxs
     call move /Y ..\..\..\PowerAccent.wxs.bk ..\..\..\PowerAccent.wxs
     call move /Y ..\..\..\PowerRename.wxs.bk ..\..\..\PowerRename.wxs
     call move /Y ..\..\..\Product.wxs.bk ..\..\..\Product.wxs
@@ -112,6 +113,7 @@ call "..\..\..\publish.cmd" arm64
     <Compile Include="MeasureTool.wxs" />
     <Compile Include="MouseUtils.wxs" />
     <Compile Include="PastePlain.wxs" />
+    <Compile Include="Peek.wxs" />
     <Compile Include="PowerAccent.wxs" />
     <Compile Include="PowerRename.wxs" />
     <Compile Include="RegistryPreview.wxs" />
@@ -177,7 +179,7 @@ call "..\..\..\publish.cmd" arm64
 	<Target Name="AfterBuild">
 	</Target>
   <Target Name="BeforeBuild">
-    <HeatDirectory Directory="..\..\src\modules\previewpane\MonacoPreviewHandler\monacoSRC"
+    <HeatDirectory Directory="..\..\src\modules\FileExplorerPreview\monacoSRC"
       PreprocessorVariable="var.MonacoSRCHarvestPath"
       OutputFile="MonacoSRC.wxs"
       ComponentGroupName="MonacoSRCHeatGenerated"

installer/PowerToysSetup/Product.wxs

@@ -67,6 +67,7 @@
       <ComponentGroupRef Id="MeasureToolComponentGroup" />
       <ComponentGroupRef Id="MouseUtilsComponentGroup" />
       <ComponentGroupRef Id="PastePlainComponentGroup" />
+      <ComponentGroupRef Id="PeekComponentGroup" />
       <ComponentGroupRef Id="PowerAccentComponentGroup" />
       <ComponentGroupRef Id="PowerRenameComponentGroup" />
       <ComponentGroupRef Id="RegistryPreviewComponentGroup" />
@@ -527,8 +528,16 @@
                 <Directory Id="HostsMicrosoftUIXamlAssetsInstallFolder" Name="Assets" />
               </Directory>
             </Directory>
-            
-            <!-- Launcher -->
+
+            <!-- Peek -->
+            <Directory Id="PeekInstallFolder" Name="$(var.PeekProjectName)">
+              <Directory Id="PeekAssetsFolder" Name="Assets" />
+              <Directory Id="PeekMicrosoftUIXamlInstallFolder" Name="Microsoft.UI.Xaml">
+                  <Directory Id="PeekMicrosoftUIXamlAssetsInstallFolder" Name="Assets" />
+              </Directory>
+            </Directory>
+
+              <!-- Launcher -->
             <Directory Id="LauncherInstallFolder" Name="launcher">
               <Directory Id="LauncherImagesFolder" Name="Images" />
 

installer/PowerToysSetup/WinAppSDK.wxs

@@ -16,7 +16,7 @@
     <!--WinAppSDKFiles_Component_Def-->
     </DirectoryRef>
 
-    <?foreach ParentDirectory in SettingsV2InstallFolder;PowerRenameInstallFolder;MeasureToolInstallFolder;HostsInstallFolder;FileLocksmithInstallFolder;RegistryPreviewInstallFolder?>
+    <?foreach ParentDirectory in SettingsV2InstallFolder;PowerRenameInstallFolder;MeasureToolInstallFolder;HostsInstallFolder;FileLocksmithInstallFolder;RegistryPreviewInstallFolder;PeekInstallFolder?>
       <DirectoryRef Id="$(var.ParentDirectory)">
         <?foreach Language in $(var.WinAppSDKLocLanguageList)?>
         <?if $(var.Language) = af-ZA?>
@@ -374,6 +374,16 @@
       <File Id="RegistryPreview_WinAppSDKLoc_$(var.IdSafeLanguage)_XamlMui_File" Source="$(var.BinDir)modules\$(var.RegistryPreviewProjectName)\$(var.Language)\Microsoft.ui.xaml.dll.mui" />
       <File Id="RegistryPreview_WinAppSDKLoc_$(var.IdSafeLanguage)_XamlPhoneMui_File" Source="$(var.BinDir)modules\$(var.RegistryPreviewProjectName)\$(var.Language)\Microsoft.UI.Xaml.Phone.dll.mui" />
       </Component>
+      <Component
+          Id="Peek_WinAppSDKLoc_$(var.IdSafeLanguage)_Component"
+          Directory="WinAppSDKLoc$(var.IdSafeLanguage)PeekInstallFolder"
+          Guid="$(var.CompGUIDPrefix)07">
+          <RegistryKey Root="$(var.RegistryScope)" Key="Software\Classes\powertoys\components">
+            <RegistryValue Type="string" Name="Peek_WinAppSDKLoc_$(var.IdSafeLanguage)_Component" Value="" KeyPath="yes"/>
+          </RegistryKey>
+      <File Id="Peek_WinAppSDKLoc_$(var.IdSafeLanguage)_XamlMui_File" Source="$(var.BinDir)modules\$(var.PeekProjectName)\$(var.Language)\Microsoft.ui.xaml.dll.mui" />
+      <File Id="Peek_WinAppSDKLoc_$(var.IdSafeLanguage)_XamlPhoneMui_File" Source="$(var.BinDir)modules\$(var.PeekProjectName)\$(var.Language)\Microsoft.UI.Xaml.Phone.dll.mui" />
+      </Component>
       <?undef IdSafeLanguage?>
       <?undef CompGUIDPrefix?>
       <?endforeach?>
@@ -504,6 +514,7 @@
           <RemoveFolder Id="RemoveFolderWinAppSDKLoc$(var.IdSafeLanguage)HostsInstallFolder" Directory="WinAppSDKLoc$(var.IdSafeLanguage)HostsInstallFolder" On="uninstall"/>
           <RemoveFolder Id="RemoveFolderWinAppSDKLoc$(var.IdSafeLanguage)FileLocksmithInstallFolder" Directory="WinAppSDKLoc$(var.IdSafeLanguage)FileLocksmithInstallFolder" On="uninstall"/>
           <RemoveFolder Id="RemoveFolderWinAppSDKLoc$(var.IdSafeLanguage)RegistryPreviewInstallFolder" Directory="WinAppSDKLoc$(var.IdSafeLanguage)RegistryPreviewInstallFolder" On="uninstall"/>
+          <RemoveFolder Id="RemoveFolderWinAppSDKLoc$(var.IdSafeLanguage)PeekInstallFolder" Directory="WinAppSDKLoc$(var.IdSafeLanguage)PeekInstallFolder" On="uninstall"/>
       <?undef IdSafeLanguage?>
         <?endforeach?>
       </Component>

installer/PowerToysSetup/generateAllFileComponents.ps1

@@ -42,9 +42,9 @@ Invoke-Expression -Command "$PSScriptRoot\generateFileComponents.ps1 -fileListNa
 #FileExplorerAdd-ons
 #TODO: There are multiple .deps.json files, make sure it works as expected
 Invoke-Expression -Command "$PSScriptRoot\generateFileList.ps1 -fileDepsJson ""$PSScriptRoot..\..\..\$platform\Release\modules\FileExplorerPreview\PowerToys.SvgThumbnailProvider.deps.json"" -fileListName PowerPreviewFiles -wxsFilePath $PSScriptRoot\FileExplorerPreview.wxs"
-Invoke-Expression -Command "$PSScriptRoot\generateFileList.ps1 -fileDepsJson """" -fileListName MonacoCustomLanguagesFiles -wxsFilePath $PSScriptRoot\FileExplorerPreview.wxs -depsPath ""$PSScriptRoot..\..\..\$platform\Release\modules\FileExplorerPreview\customLanguages"""
+Invoke-Expression -Command "$PSScriptRoot\generateFileList.ps1 -fileDepsJson """" -fileListName MonacoPreviewHandlerCustomLanguagesFiles -wxsFilePath $PSScriptRoot\FileExplorerPreview.wxs -depsPath ""$PSScriptRoot..\..\..\$platform\Release\modules\FileExplorerPreview\customLanguages"""
 Invoke-Expression -Command "$PSScriptRoot\generateFileComponents.ps1 -fileListName ""PowerPreviewFiles"" -wxsFilePath $PSScriptRoot\FileExplorerPreview.wxs -regroot $registryroot"
-Invoke-Expression -Command "$PSScriptRoot\generateFileComponents.ps1 -fileListName ""MonacoCustomLanguagesFiles"" -wxsFilePath $PSScriptRoot\FileExplorerPreview.wxs -regroot $registryroot"
+Invoke-Expression -Command "$PSScriptRoot\generateFileComponents.ps1 -fileListName ""MonacoPreviewHandlerCustomLanguagesFiles"" -wxsFilePath $PSScriptRoot\FileExplorerPreview.wxs -regroot $registryroot"
 
 #FileLocksmith
 #TODO: There are multiple .deps.json files, make sure it works as expected
@@ -76,6 +76,12 @@ Invoke-Expression -Command "$PSScriptRoot\generateFileComponents.ps1 -fileListNa
 Invoke-Expression -Command "$PSScriptRoot\generateFileList.ps1 -fileDepsJson ""$PSScriptRoot..\..\..\$platform\Release\modules\MeasureTool\PowerToys.MeasureToolUI.deps.json"" -fileListName MeasureToolFiles -wxsFilePath $PSScriptRoot\MeasureTool.wxs -isWinAppSdkProj 1"
 Invoke-Expression -Command "$PSScriptRoot\generateFileComponents.ps1 -fileListName ""MeasureToolFiles"" -wxsFilePath $PSScriptRoot\MeasureTool.wxs -regroot $registryroot"
 
+#Peek
+Invoke-Expression -Command "$PSScriptRoot\generateFileList.ps1 -fileDepsJson ""$PSScriptRoot..\..\..\$platform\Release\modules\Peek\PowerToys.Peek.UI.deps.json"" -fileListName PeekFiles -wxsFilePath $PSScriptRoot\Peek.wxs"
+Invoke-Expression -Command "$PSScriptRoot\generateFileList.ps1 -fileDepsJson """" -fileListName PeekAssetsFiles -wxsFilePath $PSScriptRoot\Peek.wxs -depsPath ""$PSScriptRoot..\..\..\$platform\Release\modules\Peek\Assets\"""
+Invoke-Expression -Command "$PSScriptRoot\generateFileComponents.ps1 -fileListName ""PeekFiles"" -wxsFilePath $PSScriptRoot\Peek.wxs -regroot $registryroot"
+Invoke-Expression -Command "$PSScriptRoot\generateFileComponents.ps1 -fileListName ""PeekAssetsFiles"" -wxsFilePath $PSScriptRoot\Peek.wxs -regroot $registryroot"
+
 #PowerAccent
 Invoke-Expression -Command "$PSScriptRoot\generateFileList.ps1 -fileDepsJson ""$PSScriptRoot..\..\..\$platform\Release\modules\PowerAccent\PowerToys.PowerAccent.deps.json"" -fileListName PowerAccentFiles -wxsFilePath $PSScriptRoot\PowerAccent.wxs"
 Invoke-Expression -Command "$PSScriptRoot\generateFileComponents.ps1 -fileListName ""PowerAccentFiles"" -wxsFilePath $PSScriptRoot\PowerAccent.wxs -regroot $registryroot"

installer/PowerToysSetupCustomActions/CustomAction.cpp

@@ -1017,6 +1017,7 @@ const std::wstring WinAppSDKConsumers[] =
     L"modules\\FileLocksmith",
     L"modules\\Hosts",
     L"modules\\RegistryPreview",
+    L"modules\\Peek",
 };
 
 UINT __stdcall CreateWinAppSDKHardlinksCA(MSIHANDLE hInstall)
@@ -1068,6 +1069,7 @@ const std::wstring PTInteropConsumers[] =
     L"modules\\PowerAccent",
     L"modules\\FileLocksmith",
     L"modules\\Hosts",
+    L"modules\\Peek",
     L"modules\\FileExplorerPreview",
     L"modules\\MouseUtils\\MouseJumpUI",
     L"modules\\RegistryPreview",
@@ -1115,7 +1117,7 @@ UINT __stdcall CreateDotnetRuntimeHardlinksCA(MSIHANDLE hInstall)
     UINT er = ERROR_SUCCESS;
     std::wstring installationFolder, dotnetRuntimeFilesSrcDir, colorPickerDir, powerOCRDir, launcherDir, fancyZonesDir,
       imageResizerDir, settingsDir, awakeDir, measureToolDir, powerAccentDir, fileExplorerAddOnsDir, hostsDir, fileLocksmithDir,
-      mouseJumpDir, registryPreviewDir;
+      mouseJumpDir, registryPreviewDir, peekDir;
 
     hr = WcaInitialize(hInstall, "CreateDotnetRuntimeHardlinksCA");
     ExitOnFailure(hr, "Failed to initialize");
@@ -1138,6 +1140,7 @@ UINT __stdcall CreateDotnetRuntimeHardlinksCA(MSIHANDLE hInstall)
     fileLocksmithDir = installationFolder + L"modules\\FileLocksmith\\";
     mouseJumpDir = installationFolder + L"modules\\MouseUtils\\MouseJumpUI\\";
     registryPreviewDir = installationFolder + L"modules\\RegistryPreview\\";
+    peekDir = installationFolder + L"modules\\Peek\\";
 
     for (auto file : dotnetRuntimeFiles)
     {
@@ -1156,6 +1159,7 @@ UINT __stdcall CreateDotnetRuntimeHardlinksCA(MSIHANDLE hInstall)
         std::filesystem::create_hard_link((dotnetRuntimeFilesSrcDir + file).c_str(), (fileLocksmithDir + file).c_str(), ec);
         std::filesystem::create_hard_link((dotnetRuntimeFilesSrcDir + file).c_str(), (mouseJumpDir + file).c_str(), ec);
         std::filesystem::create_hard_link((dotnetRuntimeFilesSrcDir + file).c_str(), (registryPreviewDir + file).c_str(), ec);
+        std::filesystem::create_hard_link((dotnetRuntimeFilesSrcDir + file).c_str(), (peekDir + file).c_str(), ec);
 
         if (ec.value() != S_OK)
         {
@@ -1181,6 +1185,7 @@ UINT __stdcall CreateDotnetRuntimeHardlinksCA(MSIHANDLE hInstall)
       std::filesystem::create_hard_link((dotnetRuntimeFilesSrcDir + file).c_str(), (hostsDir + file).c_str(), ec);
       std::filesystem::create_hard_link((dotnetRuntimeFilesSrcDir + file).c_str(), (mouseJumpDir + file).c_str(), ec);
       std::filesystem::create_hard_link((dotnetRuntimeFilesSrcDir + file).c_str(), (registryPreviewDir + file).c_str(), ec);
+      std::filesystem::create_hard_link((dotnetRuntimeFilesSrcDir + file).c_str(), (peekDir + file).c_str(), ec);
 
       if (ec.value() != S_OK)
       {
@@ -1275,7 +1280,7 @@ UINT __stdcall DeleteDotnetRuntimeHardlinksCA(MSIHANDLE hInstall)
     UINT er = ERROR_SUCCESS;
     std::wstring installationFolder, colorPickerDir, powerOCRDir, launcherDir, fancyZonesDir,
       imageResizerDir, settingsDir, awakeDir, measureToolDir, powerAccentDir, fileExplorerAddOnsDir,
-      hostsDir, fileLocksmithDir, mouseJumpDir, registryPreviewDir;
+      hostsDir, fileLocksmithDir, mouseJumpDir, registryPreviewDir, peekDir;
 
     hr = WcaInitialize(hInstall, "DeleteDotnetRuntimeHardlinksCA");
     ExitOnFailure(hr, "Failed to initialize");
@@ -1297,6 +1302,7 @@ UINT __stdcall DeleteDotnetRuntimeHardlinksCA(MSIHANDLE hInstall)
     fileLocksmithDir = installationFolder + L"modules\\FileLocksmith\\";
     mouseJumpDir = installationFolder + L"modules\\MouseUtils\\MouseJumpUI\\";
     registryPreviewDir = installationFolder + L"modules\\RegistryPreview\\";
+    peekDir = installationFolder + L"modules\\Peek\\";
 
     try
     {
@@ -1316,6 +1322,7 @@ UINT __stdcall DeleteDotnetRuntimeHardlinksCA(MSIHANDLE hInstall)
           DeleteFile((fileLocksmithDir + file).c_str());
           DeleteFile((mouseJumpDir + file).c_str());
           DeleteFile((registryPreviewDir + file).c_str());
+          DeleteFile((peekDir + file).c_str());
         }
 
         for (auto file : dotnetRuntimeWPFFiles)
@@ -1331,6 +1338,7 @@ UINT __stdcall DeleteDotnetRuntimeHardlinksCA(MSIHANDLE hInstall)
           DeleteFile((hostsDir + file).c_str());
           DeleteFile((mouseJumpDir + file).c_str());
           DeleteFile((registryPreviewDir + file).c_str());
+          DeleteFile((peekDir + file).c_str());
         }
     }
     catch (std::exception e)
@@ -1364,7 +1372,7 @@ UINT __stdcall TerminateProcessesCA(MSIHANDLE hInstall)
     }
     processes.resize(bytes / sizeof(processes[0]));
 
-    std::array<std::wstring_view, 11> processesToTerminate = {
+    std::array<std::wstring_view, 12> processesToTerminate = {
         L"PowerToys.PowerLauncher.exe",
         L"PowerToys.Settings.exe",
         L"PowerToys.Awake.exe",
@@ -1376,6 +1384,7 @@ UINT __stdcall TerminateProcessesCA(MSIHANDLE hInstall)
         L"PowerToys.AlwaysOnTop.exe",
         L"PowerToys.exe",
         L"PowerToys.RegistryPreview.exe",
+        L"PowerToys.Peek.UI.exe",
     };
 
     for (const auto procID : processes)

installer/PowerToysSetupCustomActions/PowerToysSetupCustomActions.vcxproj

@@ -61,6 +61,7 @@
       call cmd /C "copy ""$(ProjectDir)..\PowerToysSetup\KeyboardManager.wxs"" ""$(ProjectDir)..\PowerToysSetup\KeyboardManager.wxs.bk""""
       call cmd /C "copy ""$(ProjectDir)..\PowerToysSetup\MeasureTool.wxs"" ""$(ProjectDir)..\PowerToysSetup\MeasureTool.wxs.bk""""
       call cmd /C "copy ""$(ProjectDir)..\PowerToysSetup\MouseUtils.wxs"" ""$(ProjectDir)..\PowerToysSetup\MouseUtils.wxs.bk""""
+      call cmd /C "copy ""$(ProjectDir)..\PowerToysSetup\Peek.wxs"" ""$(ProjectDir)..\PowerToysSetup\Peek.wxs.bk""""
       call cmd /C "copy ""$(ProjectDir)..\PowerToysSetup\PowerAccent.wxs"" ""$(ProjectDir)..\PowerToysSetup\PowerAccent.wxs.bk""""
       call cmd /C "copy ""$(ProjectDir)..\PowerToysSetup\PowerRename.wxs"" ""$(ProjectDir)..\PowerToysSetup\PowerRename.wxs.bk""""
       call cmd /C "copy ""$(ProjectDir)..\PowerToysSetup\Product.wxs"" ""$(ProjectDir)..\PowerToysSetup\Product.wxs.bk""""

src/common/FilePreviewCommon/FilePreviewCommon.csproj

@@ -0,0 +1,306 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <Import Project="..\..\Version.props" />
+
+  <PropertyGroup>
+    <TargetFramework>net7.0-windows</TargetFramework>
+	<RuntimeIdentifiers>win-x64;win-arm64</RuntimeIdentifiers>
+    <Version>$(Version).0</Version>
+    <Authors>Microsoft Corporation</Authors>
+    <Product>PowerToys</Product>
+    <Description>PowerToys FilePreviewCommon</Description>
+    <AssemblyName>PowerToys.FilePreviewCommon</AssemblyName>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Markdig.Signed" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="customLanguages\reg.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="index.html">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSpecialLanguages.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\base\browser\ui\codicons\codicon\codicon.ttf">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\base\worker\workerMain.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\abap\abap.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\apex\apex.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\azcli\azcli.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\bat\bat.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\cameligo\cameligo.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\clojure\clojure.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\coffee\coffee.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\cpp\cpp.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\csharp\csharp.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\csp\csp.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\css\css.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\dart\dart.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\dockerfile\dockerfile.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\ecl\ecl.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\fsharp\fsharp.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\go\go.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\graphql\graphql.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\handlebars\handlebars.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\hcl\hcl.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\html\html.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\ini\ini.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\javascript\javascript.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\java\java.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\julia\julia.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\kotlin\kotlin.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\less\less.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\lexon\lexon.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\lua\lua.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\m3\m3.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\markdown\markdown.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\mips\mips.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\msdax\msdax.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\mysql\mysql.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\objective-c\objective-c.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\pascaligo\pascaligo.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\pascal\pascal.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\perl\perl.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\pgsql\pgsql.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\php\php.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\postiats\postiats.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\powerquery\powerquery.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\powershell\powershell.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\pug\pug.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\python\python.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\razor\razor.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\redis\redis.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\redshift\redshift.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\restructuredtext\restructuredtext.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\ruby\ruby.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\rust\rust.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\r\r.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\sb\sb.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\scala\scala.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\scheme\scheme.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\scss\scss.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\shell\shell.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\solidity\solidity.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\sophia\sophia.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\sql\sql.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\st\st.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\swift\swift.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\systemverilog\systemverilog.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\tcl\tcl.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\twig\twig.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\typescript\typescript.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\vb\vb.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\xml\xml.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\basic-languages\yaml\yaml.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.css">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.nls.de.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.nls.es.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.nls.fr.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.nls.it.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.nls.ja.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.nls.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.nls.ko.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.nls.ru.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.nls.zh-cn.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\editor\editor.main.nls.zh-tw.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\language\css\cssMode.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\language\css\cssWorker.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\language\html\htmlMode.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\language\html\htmlWorker.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\language\json\jsonMode.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\language\json\jsonWorker.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\language\typescript\tsMode.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\language\typescript\tsWorker.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monacoSRC\min\vs\loader.js">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="monaco_languages.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+</Project>

src/common/FilePreviewCommon/Formatters/IFormatter.cs

@@ -2,7 +2,7 @@
 // The Microsoft Corporation licenses this file to you under the MIT license.
 // See the LICENSE file in the project root for more information.
 
-namespace Microsoft.PowerToys.PreviewHandler.Monaco.Formatters
+namespace Microsoft.PowerToys.FilePreviewCommon.Monaco.Formatters
 {
     public interface IFormatter
     {

src/common/FilePreviewCommon/Formatters/JsonFormatter.cs

@@ -5,7 +5,7 @@
 using System.Text.Encodings.Web;
 using System.Text.Json;
 
-namespace Microsoft.PowerToys.PreviewHandler.Monaco.Formatters
+namespace Microsoft.PowerToys.FilePreviewCommon.Monaco.Formatters
 {
     public class JsonFormatter : IFormatter
     {

src/common/FilePreviewCommon/Formatters/XmlFormatter.cs

@@ -5,7 +5,7 @@
 using System.Text;
 using System.Xml;
 
-namespace Microsoft.PowerToys.PreviewHandler.Monaco.Formatters
+namespace Microsoft.PowerToys.FilePreviewCommon.Monaco.Formatters
 {
     public class XmlFormatter : IFormatter
     {

src/common/FilePreviewCommon/HTMLParsingExtension.cs

@@ -10,7 +10,7 @@ using Markdig.Renderers.Html;
 using Markdig.Syntax;
 using Markdig.Syntax.Inlines;
 
-namespace Microsoft.PowerToys.PreviewHandler.Markdown
+namespace Microsoft.PowerToys.FilePreviewCommon
 {
     /// <summary>
     /// Callback if extension blocks external images.

src/common/FilePreviewCommon/Helper.cs

@@ -0,0 +1,27 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.IO;
+
+namespace Microsoft.PowerToys.FilePreviewCommon
+{
+    public static class Helper
+    {
+        public static void CleanupTempDir(string folder)
+        {
+            try
+            {
+                var dir = new DirectoryInfo(folder);
+                foreach (var file in dir.EnumerateFiles("*.html"))
+                {
+                    file.Delete();
+                }
+            }
+            catch (Exception)
+            {
+            }
+        }
+    }
+}

src/common/FilePreviewCommon/MarkdownHelper.cs

@@ -0,0 +1,52 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.IO;
+using Markdig;
+
+namespace Microsoft.PowerToys.FilePreviewCommon
+{
+    public static class MarkdownHelper
+    {
+        /// <summary>
+        /// Markdown HTML header for light theme.
+        /// </summary>
+        private static readonly string HtmlLightHeader = "<!doctype html><style>body{width:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,\"Helvetica Neue\",Arial,\"Noto Sans\",sans-serif,\"Apple Color Emoji\",\"Segoe UI Emoji\",\"Segoe UI Symbol\",\"Noto Color Emoji\";font-size:1rem;font-weight:400;line-height:1.5;color:#212529;text-align:left;background-color:#fff}.container{padding:5%}body img{max-width:100%;height:auto}body h1,body h2,body h3,body h4,body h5,body h6{margin-top:24px;margin-bottom:16px;font-weight:600;line-height:1.25}body h1,body h2{padding-bottom:.3em;border-bottom:1px solid #eaecef}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji}body h3{font-size:1.25em}body h4{font-size:1em}body h5{font-size:.875em}body h6{font-size:.85em;color:#6a737d}pre{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;background-color:#f6f8fa;border-radius:3px;padding:16px;font-size:85%}a{color:#0366d6}strong{font-weight:600}em{font-style:italic}code{padding:.2em .4em;margin:0;font-size:85%;background-color:#f6f8fa;border-radius:3px}hr{border-color:#EEE -moz-use-text-color #FFF;border-style:solid none;border-width:.5px 0;margin:18px 0}table{display:block;width:100%;overflow:auto;border-spacing:0;border-collapse:collapse}tbody{display:table-row-group;vertical-align:middle;border-color:inherit;vertical-align:inherit;border-color:inherit}table tr{background-color:#fff;border-top:1px solid #c6cbd1}tr{display:table-row;vertical-align:inherit;border-color:inherit}table td,table th{padding:6px 13px;border:1px solid #dfe2e5}th{font-weight:600;display:table-cell;vertical-align:inherit;font-weight:bold;text-align:-internal-center}thead{display:table-header-group;vertical-align:middle;border-color:inherit}td{display:table-cell;vertical-align:inherit}code,pre,tt{font-family:SFMono-Regular,Menlo,Monaco,Consolas,\"Liberation Mono\",\"Courier New\",monospace;color:#24292e;overflow-x:auto}pre code{font-size:inherit;color:inherit;word-break:normal}blockquote{background-color:#fff;border-radius:3px;padding:15px;font-size:14px;display:block;margin-block-start:1em;margin-block-end:1em;margin-inline-start:40px;margin-inline-end:40px;padding:0 1em;color:#6a737d;border-left:.25em solid #dfe2e5}</style><body><div class=\"container\">";
+
+        /// <summary>
+        /// Markdown HTML header for dark theme.
+        /// </summary>
+        private static readonly string HtmlDarkHeader = "<!doctype html><style>body{width:100%;margin:0;font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,\"Helvetica Neue\",Arial,\"Noto Sans\",sans-serif,\"Apple Color Emoji\",\"Segoe UI Emoji\",\"Segoe UI Symbol\",\"Noto Color Emoji\";font-size:1rem;font-weight:400;line-height:1.5;color:#d4d4d4;text-align:left;background-color:#1e1e1e}.container{padding:5%}body img{max-width:100%;height:auto}body h1,body h2,body h3,body h4,body h5,body h6{margin-top:24px;margin-bottom:16px;font-weight:600;line-height:1.25}body h1,body h2{padding-bottom:.3em;border-bottom:1px solid #474747}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif,Apple Color Emoji,Segoe UI Emoji}body h3{font-size:1.25em}body h4{font-size:1em}body h5{font-size:.875em}body h6{font-size:.85em;color:#d4d4d4}pre{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;background-color:#161616;border-radius:3px;padding:16px;font-size:85%}a{color:#0366d6}strong{font-weight:600}em{font-style:italic}code{padding:.2em .4em;margin:0;font-size:85%;background-color:#161616;border-radius:3px}hr{border-color:#EEE -moz-use-text-color #FFF;border-style:solid none;border-width:.5px 0;margin:18px 0}table{display:block;width:100%;overflow:auto;border-spacing:0;border-collapse:collapse}tbody{display:table-row-group;vertical-align:middle;border-color:inherit;vertical-align:inherit;border-color:inherit}table tr{background-color:#1e1e1e;border-top:1px solid #c6cbd1}tr{display:table-row;vertical-align:inherit;border-color:inherit}table td,table th{padding:6px 13px;border:1px solid #474747}th{font-weight:600;display:table-cell;vertical-align:inherit;font-weight:bold;text-align:-internal-center}thead{display:table-header-group;vertical-align:middle;border-color:inherit}td{display:table-cell;vertical-align:inherit}code,pre,tt{font-family:SFMono-Regular,Menlo,Monaco,Consolas,\"Liberation Mono\",\"Courier New\",monospace;color:#d4d4d4;overflow-x:auto}pre code{font-size:inherit;color:inherit;word-break:normal}blockquote{background-color:#282828;border-radius:3px;padding:15px;font-size:14px;display:block;margin-block-start:1em;margin-block-end:1em;margin-inline-start:40px;margin-inline-end:40px;padding:0 1em;color:#d4d4d4;border-left:.25em solid #d4d4d4}</style><body><div class=\"container\">";
+
+        /// <summary>
+        /// Markdown HTML footer.
+        /// </summary>
+        private static readonly string HtmlFooter = "</div></body></html>";
+
+        public static string MarkdownHtml(string fileContent, string theme, string filePath, ImagesBlockedCallBack imagesBlockedCallBack)
+        {
+            var htmlHeader = theme == "dark" ? HtmlDarkHeader : HtmlLightHeader;
+
+            // Extension to modify markdown AST.
+            HTMLParsingExtension extension = new HTMLParsingExtension(imagesBlockedCallBack);
+            extension.FilePath = Path.GetDirectoryName(filePath);
+
+            // if you have a string with double space, some people view it as a new line.
+            // while this is against spec, even GH supports this. Technically looks like GH just trims whitespace
+            // https://github.com/microsoft/PowerToys/issues/10354
+            var softlineBreak = new Markdig.Extensions.Hardlines.SoftlineBreakAsHardlineExtension();
+
+            MarkdownPipelineBuilder pipelineBuilder;
+            pipelineBuilder = new MarkdownPipelineBuilder().UseAdvancedExtensions().UseEmojiAndSmiley().UseYamlFrontMatter().UseMathematics();
+            pipelineBuilder.Extensions.Add(extension);
+            pipelineBuilder.Extensions.Add(softlineBreak);
+
+            MarkdownPipeline pipeline = pipelineBuilder.Build();
+            string parsedMarkdown = Markdown.ToHtml(fileContent, pipeline);
+
+            string markdownHTML = $"{htmlHeader}{parsedMarkdown}{HtmlFooter}";
+            return markdownHTML;
+        }
+    }
+}

src/common/FilePreviewCommon/MonacoHelper.cs

@@ -0,0 +1,114 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Reflection;
+using System.Text.Json;
+using Microsoft.PowerToys.FilePreviewCommon.Monaco.Formatters;
+
+namespace Microsoft.PowerToys.FilePreviewCommon
+{
+    public static class MonacoHelper
+    {
+        /// <summary>
+        /// Name of the virtual host
+        /// </summary>
+        public const string VirtualHostName = "PowerToysLocalMonaco";
+
+        /// <summary>
+        /// Formatters applied before rendering the preview
+        /// </summary>
+        public static readonly IReadOnlyCollection<IFormatter> Formatters = new List<IFormatter>
+        {
+            new JsonFormatter(),
+            new XmlFormatter(),
+        }.AsReadOnly();
+
+        /// <summary>
+        /// Gets the path of the current assembly.
+        /// </summary>
+        /// <remarks>
+        /// Source: https://stackoverflow.com/a/283917/14774889
+        /// </remarks>
+        public static string AssemblyDirectory
+        {
+            get
+            {
+                string codeBase = Assembly.GetExecutingAssembly().Location;
+                UriBuilder uri = new UriBuilder(codeBase);
+                string path = Uri.UnescapeDataString(uri.Path);
+                return Path.GetDirectoryName(path);
+            }
+        }
+
+        public static string MonacoDirectory
+        {
+            get
+            {
+                // TODO: common monaco folder
+                string codeBase = Assembly.GetExecutingAssembly().Location;
+                string path = Path.GetFullPath(Path.Combine(Path.GetDirectoryName(codeBase), "..", "FileExplorerPreview"));
+                return path;
+            }
+        }
+
+        public static JsonDocument GetLanguages()
+        {
+            JsonDocument languageListDocument;
+            using (StreamReader jsonFileReader = new StreamReader(new FileStream(MonacoDirectory + "\\monaco_languages.json", FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
+            {
+                languageListDocument = JsonDocument.Parse(jsonFileReader.ReadToEnd());
+                jsonFileReader.Close();
+            }
+
+            return languageListDocument;
+        }
+
+        /// <summary>
+        /// Converts a file extension to a language monaco id.
+        /// </summary>
+        /// <param name="fileExtension">The extension of the file (without the dot).</param>
+        /// <returns>The monaco language id</returns>
+        public static string GetLanguage(string fileExtension)
+        {
+            fileExtension = fileExtension.ToLower(CultureInfo.CurrentCulture);
+            try
+            {
+                JsonDocument languageListDocument = GetLanguages();
+                JsonElement languageList = languageListDocument.RootElement.GetProperty("list");
+                foreach (JsonElement e in languageList.EnumerateArray())
+                {
+                    for (int j = 0; j < e.GetProperty("extensions").GetArrayLength(); j++)
+                    {
+                        if (e.GetProperty("extensions")[j].ToString() == fileExtension)
+                        {
+                            return e.GetProperty("id").ToString();
+                        }
+                    }
+                }
+
+                return "plaintext";
+            }
+            catch (Exception)
+            {
+                return "plaintext";
+            }
+        }
+
+        public static string ReadIndexHtml()
+        {
+            string html;
+            using (StreamReader htmlFileReader = new StreamReader(new FileStream(MonacoDirectory + "\\index.html", FileMode.Open, FileAccess.Read, FileShare.ReadWrite)))
+            {
+                html = htmlFileReader.ReadToEnd();
+                htmlFileReader.Close();
+            }
+
+            return html;
+        }
+    }
+}

src/common/FilePreviewCommon/index.html

@@ -25,7 +25,7 @@
 	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
 	<!-- Set charset -->
 	<meta charset="utf-8" />
-	<!-- Title (normally not diaplayd)-->
+	<!-- Title (normally not displayed)-->
 	<title>Previewer for developer Files</title>
 	<style>
 		/* Fits content to window size */