Auto GeekShadow

by Antoine

29 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,980 reviews

21,488,460 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Video DownloadHelper by mig

Rated 4 out of 5 stars 5,686 reviews

4,854,152 users

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 959 reviews

1,273,056 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 251 reviews

372,988 users

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

United States English Spellchecker by jooliaan

Rated 3 out of 5 stars 165 reviews

500,973 users

United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.

To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".

Tamper Data by Adam Judson

Rated 4 out of 5 stars 132 reviews

115,714 users

Use tamperdata to view and modify HTTP/HTTPS headers and post parameters...

Personas Plus by Mozilla

Rated 3 out of 5 stars 955 reviews

376,124 users

Personas are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite Personas.

IE Tab by PCMan, yuoo2k

Rated 4 out of 5 stars 1,191 reviews

254,952 users

IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...

TinEye Reverse Image Search by TinEye

Rated 4 out of 5 stars 180 reviews

119,817 users

TinEye is a reverse image search engine. The plugin adds a context menu item that allows you to search for an image to find out where it came from, how it is being used, if modified versions of the image exist, or to find higher resolution versions.

CacheViewer by benki

Rated 4 out of 5 stars 220 reviews

53,947 users

This extenion is GUI Front-end of "about:cache"...

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Rated 4 out of 5 stars 191 reviews

37,440 users

Useful tools for the nightly tester.

Greasefire by Steve Krulewitz, Erik Vold

Rated 4 out of 5 stars 176 reviews

13,441 users

Automatically find user scripts on (requires Greasemonkey or Scriptish)

Multiple Tab Handler by Piro (piro_or)

Rated 4 out of 5 stars 165 reviews

19,762 users

Provides feature to close multiple tabs.

Test Pilot by Mozilla Labs, Gregg Lind, others

Rated 4 out of 5 stars 71 reviews

759,487 users

Help us make Firefox better by joining our structured user studies! No need to download this add-on if you are running Firefox 4 beta, - you are already a part of the team!

URL Lister by Binny V A

Rated 4 out of 5 stars 35 reviews

4,578 users

Shows the URLs of all the tabs in a textarea so that it can be copied easily.
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