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ciphernotes

Client-side encrypted notes that sync across devices.
New in version 3.2
fix edge-to-edge mode
Ciphernotes is an end-to-end encrypted notebook that keeps your text safe even when it syncs through the cloud. Every note is encrypted before it leaves your device, so the server only sees ciphertext.

Key features:
- Open source backend and frontend so you can self-host or review how your data is handled.
- Works completely offline.
- Text and files are encrypted before they're synced.
- No ads, no trackers, no unnecessary cookies.
- No account required for local use.
- Synchs immediately across all platforms.
- Dark- and Light-Mode.
- Todo lists with sub-tasks.
- Import and view images and videos.
- Import files of any type.
- Organize with labels.
- Google Keep import.
- Export notes as JSON.
- Fully keyboard navigatable.
- Keyboard shortcuts, open notes with cmd+k or ctrl+k.
- Text-editor with multi-cursor support and other shortcuts.
- Archive unused notes.
- Share encryption key via QR-Code directly from app to app

Ciphernotes runs on https://ciphernotes.com and the Android app wraps the same PWA using a Trusted Web Activity.
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Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 3.2 (5) suggested Added on Nov 21, 2025

    This version requires Android 5.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • take pictures and videos
      This app can take pictures and record videos using the camera while the app is in use.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (9.0)
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (9.0)
    • com.ciphernotes.twa.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 3.7 MiB PGP Signature | Build Log

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