Proof Firefox

Download Proof

Download Proof (current and past versions) for Firefox
Latest Version: 0.2.8resigned1 Updated: 2 years ago

Ready to install?

Proof is available to install from Firefox Add-ons Store and for download from this page.
View source code

Available versions

You can find the current and older versions of Proof 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
0.2.8resigned1XPI · ZIP · Source code129.48KB02024-04-26
0.2.7XPI · ZIP · Source code126.32KB02019-02-11
0.2.8resigned1 129.48KB
2024-04-26 · 0 downloads
0.2.7 126.32KB
2019-02-11 · 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 Proof ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the Proof ZIP file from step 1. Proof is now installed on your browser.

Best Proof Alternatives

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