Mercury

by Alex313031

Firefox fork with compiler optimizations and patches from Librewolf, Waterfox, and GNU IceCat.

Version
129.0.2
License
MPL-2.0
Installer
exe
Arch
x64
Package ID
Alex313031.Mercury
avxavx-instructionsbrowsercompiler-optimizationfirefoxfirefox-forkfirefox-forkingmercuryoptimizationprivacy

// install via winget

Command Prompt & PowerShell click to copy
winget install Alex313031.Mercury

// direct download

Download Installer

// about Mercury

Firefox fork with compiler optimizations and patches from Librewolf, Waterfox, and Ghostery. It aims to be the Firefox equivalent of my main project: Thorium (a Chromium fork).

// frequently asked questions

How do I install Mercury using winget?
Open PowerShell or Windows Terminal and run: winget install Alex313031.Mercury. Winget ships with Windows 10 (1809+) and Windows 11 — no additional install needed.
What is Mercury?
Firefox fork with compiler optimizations and patches from Librewolf, Waterfox, and GNU IceCat.
Is Mercury free to download?
Mercury is distributed under the MPL-2.0 license. Use the winget command above or click the download button to get the installer directly from the publisher.
How do I update Mercury with winget?
Run winget upgrade Alex313031.Mercury in PowerShell or Windows Terminal to update Mercury to the latest available version.
What architecture does Mercury support?
The listed installer targets the x64 architecture. See the publisher’s documentation for full compatibility details.