LibreWolf
Firefox, hardened out of the box.
A community fork of Firefox with telemetry stripped, privacy settings maxed, and uBlock Origin preinstalled. What Firefox would be if privacy were its only goal.
- Engine
- Gecko
- License
- Open source
- Runs on
- Windows, macOS, Linux
- Top marks
- Tracking protection, Built-in ad blocking, Extension ecosystem, Open source, Independence
- Updated
- September 2026
Why it shines
- All telemetry and experiments removed
- Fingerprint resistance enabled by default
- uBlock Origin ships preinstalled
- Tracks Firefox releases closely
Worth knowing
- Strict defaults break some sites (timezone, canvas prompts)
- No built-in auto-updater on Windows (use winget)
Origins
LibreWolf belongs to The Mozilla family — descended from Firefox.
Does well
Ranked in
Head to head
Scorecard
- Tracking protection3/3
- Fingerprinting resistance2/3
- Anonymity0/3
- Built-in ad blocking3/3
- Customization2/3
- Keyboard control0/3
- Built-in tools0/3
- Minimal interface1/3
- Fresh design0/3
- Classic interface0/3
- Light on resources0/3
- Raw speed2/3
- Battery efficiency0/3
- Extension ecosystem3/3
- Cross-device sync0/3
- Site compatibility2/3
- Low maintenance1/3
- Open source3/3
- Independence3/3
- Built-in AI0/3
- Gaming features0/3
- Dev tooling0/3
0–3 on each of the 22 criteria the quiz and the guides rank by. How we score.
