Mercury -
The fastest firefox fork on Earth.


Firefox fork for Linux and Windows named after Firefox's version control system, Mercurial, and the liquid element No. 80.

Highlights  Bulb Icon


  This nets a 8-40% performance improvement over vanilla Chromium, depending on the benchmark and OS. See for a detailed overview of all modifications compared to vanilla Chromium regarding performance, security and useability.
  See also : Thorium & ThoriumOS


InstallationHard Drive Icon

The releases come in a tarball. For Windows, just unpack anywhere, and make a shortcut to mercury.exe if you wish. For Linux, it can be used on any distribution. To add to your system:

tar -xvf mercury-versionnumber.tar.gz &&
run ./mercury-bin or ./
You can create a .desktop file using
the sample one provided in the tarball.

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Info Icon Credits: HuMaNs ⚧    404 Test Page: blah  Sad Tab    Dad's Old Site:

Mercury Mascot

"Mechanical Grass" Canvas2D Demo