fire_21 Firefox

Download fire_21

By: munro21
Download fire_21 (current and past versions) for Firefox
Latest Version: 2.0 Updated: 7 years ago Removed

Ready to install?

fire_21 is available for download. Be careful when installing it.
View source code

Available versions

You can find the current and older versions of fire_21 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 code47.32KB02019-05-13
2.0 47.32KB
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 fire_21 ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the fire_21 ZIP file from step 1. fire_21 is now installed on your browser.

Best fire_21 Alternatives

Here are some Firefox add-ons that are similar to fire_21: