Browsers & Internet · Open source

SlimBook

Mark Retallack

Clean, ad-free Facebook feed with real-time content filtering

Download

Opens the official F-Droid page

SlimBook screenshot 1SlimBook screenshot 2

About SlimBook

SlimBook provides a clean, ad-free Facebook feed by wrapping Facebook's lightweight mobile web client with real-time content filtering.

Features:

• Removes ads, sponsored posts, stories, and reels

• Hides posts from unfollowed pages and unjoined groups

• Filters "People you may know" and other suggestions

• Post age filter — hide posts older than a chosen threshold

• Author and group management — block specific sources

• Background notification polling

• Messenger support via messenger.com

• Photo upload support

• Video autoplay disabled (tap to play)

• Pull-to-refresh

• External links open in system browser

• Persistent login across app restarts

SlimBook uses Facebook's WebLite interface which delivers lightweight server-rendered HTML. A small JavaScript filter identifies and hides unwanted content by text patterns, running continuously via MutationObserver to catch new content as it arrives.

No tracking. No analytics. No data sent to third parties. All communication is between your device and Facebook's servers.

What's new in 1.2.1

• Fixed: header back arrow and search icon were unresponsive on Android 15 Facebook's page header was being drawn underneath the system status bar, so taps on the back arrow and search icon were going to the system bar instead of the page. This affected Android 15 devices after the previous release. The page header now sits below the status bar and its controls are tappable again.

How to install SlimBook

  1. Tap Download — the app's official page on F-Droid opens.
  2. Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
  3. If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
  4. Open SlimBook from your app drawer.

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