XPI - A Tester (Soon)

by decembre

26 Add-ons in this Collection

RequestPolicy v0.5 Legacy by Martin Kimmerle

Rated 3 out of 5 stars 6 reviews

1 user

Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.

Tiny JavaScript Debugger by Patrick Brunschwig

Rated 5 out of 5 stars 8 reviews

61 users

TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.

UxU - UnitTest.XUL by ClearCode Inc.

Download Now

Experimental

Rated 3 out of 5 stars 5 reviews

1 user

This is a testing tool for addon developers.

Wayback Machine by jeffkaplan

Rated 3 out of 5 stars 3 reviews

36 weekly downloads

The Wayback Machine: Over 450 billion archived web pages.

DevPrefs by Noitidart

Not yet rated

1 user

Automatically sets all preferences for Firefox addon developer production environment.

YouTube Video Player Pop Out by Baris Derin

Rated 5 out of 5 stars 5 reviews

3 users

YouTube Video Player Pop Out lets you pop out YouTube videos so that you can watch YouTube videos while you surf.

UI Text Overrider by ClearCode Inc.

Rated 5 out of 5 stars 1 review

0 users

Provides ability to override UI elements' label, tooltip text, etc.

FastPrevNext by Nils Maier

Rated 4 out of 5 stars 12 reviews

0 users

Easily browse through sequenced URLs

Process Toggle by Peter J. Sloetjes, MSc.

Rated 5 out of 5 stars 5 reviews

1 user

Toolbar panel for restarting the application with(out) multiple processes and for changing the maximum number of content processes (this requires Firefox 49 or newer).

mid by Attila Szabó

Rated 5 out of 5 stars 9 reviews

2 users

More than 2000 dictionaries in 270 Kilobyte! Search multiple dictionaries at once!

Focus Regainer by mikhail_s

Rated 5 out of 5 stars 20 reviews

1 user

Return focus from embedded object back to browser on browser hotkeys pressed.
  1. 1
  2. 2
Results 1626 of 26

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections