LibreWolf

LibreWolf · Open source · Internet

LibreWolf is an open-source web browser based on Mozilla Firefox, designed with a focus on privacy, security, and user freedom. It strips out telemetry, telemetry-dependent services, and integrated tracking mechanisms present in upstream builds.

Download for Windows

dl.librewolf.net · Official website

✓ Official source (winget)
✓ File is identical to the one the publisher released (SHA256 matched)
✓ Last checked: Nov. 4, 2026
This is not a virus scan. Check on VirusTotal

Version: 159.0-1
Release date: Oct. 27, 2026
License: MPL-2.0
Installer type: nullsoft

Install from the command line

How do I use this?

Type Terminal in the Start menu and open it, paste the command (Ctrl+V or right-click) and press Enter. It uses winget, Windows' own package manager, to install the program from its official source.

winget install --id LibreWolf.LibreWolf -e

SHA256 (file verification)

aeba328856112b462a40685ef2902ed3b48952deaaaf146f52526b22f2b1c37c

Download for macOS

dl.librewolf.net · Official website

✓ Official source (Homebrew)
✓ File is identical to the one the publisher released (SHA256 matched)
✓ Last checked: Nov. 4, 2026
This is not a virus scan. Check on VirusTotal

Version: 159.0,1
License: MPL-2.0
Installer type: dmg

Install from the command line

How do I use this?

This command needs Homebrew; if you don't have it, first run the install command from brew.sh. Then open Terminal (Applications > Utilities > Terminal), paste the command and press Enter.

brew install --cask librewolf

SHA256 (file verification)

4921976ad4cce4d2de2f9929b8f3c6ba299be10c3513d828feb026a3316a4378

Open official page for Linux

flathub.org · Official website

✓ Official source (Flathub)
✓ Last checked: Nov. 4, 2026

Version: 159.0-1
Release date: Oct. 27, 2026
License: MPL-2.0
Installer type: flatpak

Install from the command line

How do I use this?

Open a terminal, paste the command and press Enter. Flatpak and Flathub must be set up; Linux Mint has them by default, for other distributions see flathub.org/setup.

flatpak install flathub io.gitlab.librewolf-community

Platform pages: Windows · macOS · Linux · Android

LibreWolf 159.0-1: what's new?

Official release notes →

Highlights

Privacy-focused Firefox fork with telemetry disabled
Integrated uBlock Origin for ad and tracker blocking
Enhanced tracking protection and fingerprint resistance
Open-source codebase licensed under MPL-2.0

Who is it for?

LibreWolf is aimed at privacy-conscious users and tech enthusiasts who want a Firefox-based browser without telemetry or tracking. It is ideal for individuals seeking enhanced security and default privacy protections for daily web browsing on Windows, macOS, and Linux.

Good to know before installing

Strict default privacy settings and fingerprinting protections may break functionality on certain websites.
Firefox Sync and DRM content playback are disabled by default and require manual configuration to enable.
Built-in auto-updates are disabled, relying on package managers like Winget, Homebrew, or Flatpak for system updates.

Screenshots

How to install

Windows

Click the official download button to obtain the Windows installer.
Run the installer package, or execute 'winget install --id LibreWolf.LibreWolf -e' in PowerShell.
Open LibreWolf from the Start menu.

Alternatives

All LibreWolf alternatives →

Frequently asked questions

Is LibreWolf completely free and open source?

Yes, LibreWolf is open source under the MPL-2.0 license and entirely free to use.

Does LibreWolf include Firefox Sync?

Firefox Sync is disabled by default in LibreWolf to protect privacy, though it can be manually re-enabled if needed.

Is LibreWolf built on Gecko?

Yes, LibreWolf uses the Gecko browser engine inherited from Mozilla Firefox.