diff --git a/NearDrop.xcodeproj/project.pbxproj b/NearDrop.xcodeproj/project.pbxproj
index bb08d90..0c77338 100644
--- a/NearDrop.xcodeproj/project.pbxproj
+++ b/NearDrop.xcodeproj/project.pbxproj
@@ -179,6 +179,11 @@
 		B59C7B422AC5EC0600B2CC15 /* ko */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = ko; path = ko.lproj/Localizable.strings; sourceTree = "<group>"; };
 		B59C7B432AC5EC0600B2CC15 /* ko */ = {isa = PBXFileReference; lastKnownFileType = text.plist.stringsdict; name = ko; path = ko.lproj/Localizable.stringsdict; sourceTree = "<group>"; };
 		B59C7B442AC5EC0600B2CC15 /* ko */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = ko; path = ko.lproj/Localizable.strings; sourceTree = "<group>"; };
+		B5AC98B32AC831F500351A5D /* ja */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = ja; path = ja.lproj/ShareViewController.strings; sourceTree = "<group>"; };
+		B5AC98B42AC831F500351A5D /* ja */ = {isa = PBXFileReference; lastKnownFileType = text.plist.stringsdict; name = ja; path = ja.lproj/Localizable.stringsdict; sourceTree = "<group>"; };
+		B5AC98B52AC831F500351A5D /* ja */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = ja; path = ja.lproj/Localizable.strings; sourceTree = "<group>"; };
+		B5AC98B62AC831F500351A5D /* ja */ = {isa = PBXFileReference; lastKnownFileType = text.plist.stringsdict; name = ja; path = ja.lproj/Localizable.stringsdict; sourceTree = "<group>"; };
+		B5AC98B72AC831F500351A5D /* ja */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = ja; path = ja.lproj/Localizable.strings; sourceTree = "<group>"; };
 		B670906E2A6D234D00DB8273 /* th */ = {isa = PBXFileReference; lastKnownFileType = text.plist.stringsdict; name = th; path = th.lproj/Localizable.stringsdict; sourceTree = "<group>"; };
 		B670906F2A6D237600DB8273 /* th */ = {isa = PBXFileReference; lastKnownFileType = text.plist.strings; name = th; path = th.lproj/Localizable.strings; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -418,6 +423,7 @@
 				nl,
 				"zh-Hans",
 				ko,
+				ja,
 			);
 			mainGroup = 69DA9A0529E0BF5100A442DA;
 			packageReferences = (
@@ -546,6 +552,7 @@
 				15C3ECC82AC269FB00FC5082 /* nl */,
 				1884486E2AC294C3003EC2A3 /* zh-Hans */,
 				B59C7B442AC5EC0600B2CC15 /* ko */,
+				B5AC98B72AC831F500351A5D /* ja */,
 			);
 			name = Localizable.strings;
 			sourceTree = "<group>";
@@ -558,6 +565,7 @@
 				15C3ECC72AC269FB00FC5082 /* nl */,
 				1884486D2AC294C3003EC2A3 /* zh-Hans */,
 				B59C7B432AC5EC0600B2CC15 /* ko */,
+				B5AC98B62AC831F500351A5D /* ja */,
 			);
 			name = Localizable.stringsdict;
 			sourceTree = "<group>";
@@ -570,6 +578,7 @@
 				15C3ECC62AC269FB00FC5082 /* nl */,
 				1884486A2AC294C3003EC2A3 /* zh-Hans */,
 				B59C7B402AC5EC0600B2CC15 /* ko */,
+				B5AC98B32AC831F500351A5D /* ja */,
 			);
 			name = ShareViewController.xib;
 			sourceTree = "<group>";
@@ -588,6 +597,7 @@
 				15C3ECCA2AC269FB00FC5082 /* nl */,
 				1884486C2AC294C3003EC2A3 /* zh-Hans */,
 				B59C7B422AC5EC0600B2CC15 /* ko */,
+				B5AC98B52AC831F500351A5D /* ja */,
 			);
 			name = Localizable.strings;
 			sourceTree = "<group>";
@@ -606,6 +616,7 @@
 				15C3ECC92AC269FB00FC5082 /* nl */,
 				1884486B2AC294C3003EC2A3 /* zh-Hans */,
 				B59C7B412AC5EC0600B2CC15 /* ko */,
+				B5AC98B42AC831F500351A5D /* ja */,
 			);
 			name = Localizable.stringsdict;
 			sourceTree = "<group>";
diff --git a/NearDrop/ja.lproj/Localizable.strings b/NearDrop/ja.lproj/Localizable.strings
new file mode 100644
index 0000000..fa5b963
Binary files /dev/null and b/NearDrop/ja.lproj/Localizable.strings differ
diff --git a/NearDrop/ja.lproj/Localizable.stringsdict b/NearDrop/ja.lproj/Localizable.stringsdict
new file mode 100644
index 0000000..c67d3d0
--- /dev/null
+++ b/NearDrop/ja.lproj/Localizable.stringsdict
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>NFiles</key>
+	<dict>
+		<key>NSStringLocalizedFormatKey</key>
+		<string>%#@files@</string>
+		<key>files</key>
+		<dict>
+			<key>NSStringFormatSpecTypeKey</key>
+			<string>NSStringPluralRuleType</string>
+			<key>NSStringFormatValueTypeKey</key>
+			<string>d</string>
+			<key>one</key>
+			<string>%dつのファイル</string>
+			<key>other</key>
+			<string>%dつのファイル</string>
+		</dict>
+	</dict>
+</dict>
+</plist>
diff --git a/ShareExtension/ja.lproj/Localizable.strings b/ShareExtension/ja.lproj/Localizable.strings
new file mode 100644
index 0000000..1594a39
Binary files /dev/null and b/ShareExtension/ja.lproj/Localizable.strings differ
diff --git a/ShareExtension/ja.lproj/Localizable.stringsdict b/ShareExtension/ja.lproj/Localizable.stringsdict
new file mode 100644
index 0000000..c67d3d0
--- /dev/null
+++ b/ShareExtension/ja.lproj/Localizable.stringsdict
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>NFiles</key>
+	<dict>
+		<key>NSStringLocalizedFormatKey</key>
+		<string>%#@files@</string>
+		<key>files</key>
+		<dict>
+			<key>NSStringFormatSpecTypeKey</key>
+			<string>NSStringPluralRuleType</string>
+			<key>NSStringFormatValueTypeKey</key>
+			<string>d</string>
+			<key>one</key>
+			<string>%dつのファイル</string>
+			<key>other</key>
+			<string>%dつのファイル</string>
+		</dict>
+	</dict>
+</dict>
+</plist>
diff --git a/ShareExtension/ja.lproj/ShareViewController.strings b/ShareExtension/ja.lproj/ShareViewController.strings
new file mode 100644
index 0000000..27ffef6
--- /dev/null
+++ b/ShareExtension/ja.lproj/ShareViewController.strings
@@ -0,0 +1,12 @@
+
+/* Class = "NSTextFieldCell"; title = "NearDrop"; ObjectID = "0xp-rC-2gr"; */
+"0xp-rC-2gr.title" = "NearDrop";
+
+/* Class = "NSButtonCell"; title = "Cancel"; ObjectID = "6Up-t3-mwm"; */
+"6Up-t3-mwm.title" = "キャンセル";
+
+/* Class = "NSTextFieldCell"; title = "Looking for devices..."; ObjectID = "NaJ-Wx-Pim"; */
+"NaJ-Wx-Pim.title" = "機器を探す中...";
+
+/* Class = "NSTextFieldCell"; title = "If you don't see your device, open \"Google Files\" app and tap \"Receive\" on the Nearby Share tab."; ObjectID = "vla-gF-eJo"; */
+"vla-gF-eJo.title" = "もしデバイスが表示されない場合は、「Files by Google」アプリを開き、右下にある「Nearby Share」から「受信」をタップしてください。";