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LibreWolf

Privacy- and security-focused Firefox fork with sane defaults.

Last updated: October 2026

About LibreWolf

LibreWolf is for people who love Firefox but don't trust the "default" settings. It is a custom build of Firefox that strips out all telemetry, data collection, and non-essential features like Pocket or sponsored shortcuts. It pre-installs uBlock Origin, widely considered the best ad blocker available.

It applies a set of "hardened" settings out of the box—disabling WebGL to prevent fingerprinting, enforcing strict cookie policies, and clearing history on exit. This saves you the hours it would normally take to configure Firefox to this level of privacy.

Because it is so strict, it can sometimes break websites (like video streaming or complex web apps). It also doesn't include Firefox Sync by default (for privacy reasons). It’s a tool for users who are willing to sacrifice a little convenience for maximum privacy integrity.

Features

  • Private search engine defaultSupported
  • Private AI chatNot supported
  • Blocks 3rd-party trackersSupported
  • Blocks targeted adsSupported
  • Blocks cookie consent pop-upsNot supported
  • Blocks targeted ads on YouTubeSupported
  • Built-in password managerSupported
  • Blocks email spy pixelsSupported
  • One-tap history clearingSupported
  • Data broker removal serviceNot supported
  • Identity theft restorationNot supported
  • Built-in VPNNot supported
  • Workspaces / Tab groupsSupported
  • Split screen viewSupported
  • Vertical tabs supportSupported
  • Anti-fingerprinting protectionSupported
  • Native ad blockerSupported
  • Supports Chrome/Firefox extensionsSupported
  • Syncs across devicesNot supported
  • Distraction-free reader modeSupported
  • Tor network integrationNot supported
  • AI agent that browses for youNot supported
  • All AI can be switched offSupported
  • Container tabs for separate loginsSupported
  • Built-in page translationSupported

Recommended extensions for LibreWolf

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Answers cookie banners for you, with the choices you set once.

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Dark mode

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Turns almost any website dark, easier on the eyes at night.

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