mFatOS Firefox

Download mFatOS

Download mFatOS (current and past versions) for Firefox
Latest Version: 2.0 Updated: 7 years ago Removed

Ready to install?

mFatOS is available for download. Be careful when installing it.
View source code

Available versions

You can find the current and older versions of mFatOS here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
VersionDownloadSizeDownload countTimestamp
2.0XPI · ZIP · Source code18.96KB02019-05-13
2.0 18.96KB
2019-05-13 · 0 downloads

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
  • Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  • Download the mFatOS ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the mFatOS ZIP file from step 1. mFatOS is now installed on your browser.

Best mFatOS Alternatives

Here are some Firefox add-ons that are similar to mFatOS: