Help improve Firefox

by Jesse Ruderman

5 Add-ons in this Collection

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 200 reviews

69,004 users

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Rated 4 out of 5 stars 194 reviews

25,264 users

Useful tools for the nightly tester.

Screengrab by Andy M

Rated 4 out of 5 stars 587 reviews

19,418 users

Screengrab! saves webpages as images... but not for new versions of Firefox.

FF changes too fast and I don't have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate.

Therefore, Screengrab is EOL.

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 49 reviews

6,877 users

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.

Legacy Test Pilot (Outdated) by Wil Clouser (clouserw)

Rated 4 out of 5 stars 70 reviews

105,724 users

The legacy Test Pilot program has been replaced, and this add-on is no longer useful. If you're interested in testing new features in Firefox please join the new program at https://testpilot.firefox.com

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