diff --git a/apps/web/src/dialogs/settings/sync-settings.ts b/apps/web/src/dialogs/settings/sync-settings.ts
index 9e1acc484..218680a89 100644
--- a/apps/web/src/dialogs/settings/sync-settings.ts
+++ b/apps/web/src/dialogs/settings/sync-settings.ts
@@ -19,6 +19,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import { SettingsGroup } from "./types";
 import { useStore as useAppStore } from "../../stores/app-store";
+import { useStore as useSettingStore } from "../../stores/setting-store";
 import { ConfirmDialog } from "../confirm";
 
 export const SyncSettings: SettingsGroup[] = [
@@ -76,6 +77,21 @@ export const SyncSettings: SettingsGroup[] = [
           }
         ]
       },
+      {
+        key: "full-offline-mode",
+        title: "Full offline mode",
+        description: "Download everything including attachments on sync",
+        keywords: ["offline mode"],
+        onStateChange: (listener) =>
+          useSettingStore.subscribe((s) => s.isFullOfflineMode, listener),
+        components: [
+          {
+            type: "toggle",
+            isToggled: () => useSettingStore.getState().isFullOfflineMode,
+            toggle: () => useSettingStore.getState().toggleFullOfflineMode()
+          }
+        ]
+      },
       {
         key: "force-sync",
         title: "Having problems with sync?",
diff --git a/apps/web/src/stores/setting-store.ts b/apps/web/src/stores/setting-store.ts
index e52f02111..4394baccd 100644
--- a/apps/web/src/stores/setting-store.ts
+++ b/apps/web/src/stores/setting-store.ts
@@ -39,6 +39,7 @@ class SettingStore extends BaseStore<SettingStore> {
   doubleSpacedParagraphs = Config.get("doubleSpacedLines", true);
   markdownShortcuts = Config.get("markdownShortcuts", true);
   notificationsSettings = Config.get("notifications", { reminder: true });
+  isFullOfflineMode = false;
 
   zoomFactor = 1.0;
   privacyMode = false;
@@ -71,7 +72,8 @@ class SettingStore extends BaseStore<SettingStore> {
       customDns: await desktop?.integration.customDns.query(),
       zoomFactor: await desktop?.integration.zoomFactor.query(),
       autoUpdates: await desktop?.updater.autoUpdates.query(),
-      proxyRules: await desktop?.integration.proxyRules.query()
+      proxyRules: await desktop?.integration.proxyRules.query(),
+      isFullOfflineMode: await db.kv().read("fullOfflineMode")
     });
   };
 
@@ -201,6 +203,12 @@ class SettingStore extends BaseStore<SettingStore> {
     this.set({ autoUpdates: !autoUpdates });
     await desktop?.updater.toggleAutoUpdates.mutate({ enabled: !autoUpdates });
   };
+
+  toggleFullOfflineMode = async () => {
+    const isFullOfflineMode = this.get().isFullOfflineMode;
+    this.set({ isFullOfflineMode: !isFullOfflineMode });
+    await db.kv().write("fullOfflineMode", !isFullOfflineMode);
+  };
 }
 
 const [useStore, store] = createStore<SettingStore>(