CO2's Collection

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30 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,912 reviews

19,547,544 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).

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 953 reviews

1,208,978 users

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

NoScript Security Suite by Giorgio Maone

Rated 5 out of 5 stars 1,489 reviews

2,090,304 users

The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

User Agent Switcher by chrispederick

Rated 4 out of 5 stars 246 reviews

368,177 users

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

Element Hiding Helper for Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 443 reviews

723,699 users

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,514 reviews

884,359 users

Tab Mix Plus enhances Firefox's tab browsing capabilities. It includes such features as duplicating tabs, controlling tab focus, tab clicking options, undo closed tabs and windows, plus much more. It also includes a full-featured session manager.

BlockSite by Wips.com s.r.o.

Rated 3 out of 5 stars 504 reviews

194,918 users

BlockSite is an extension, which automagically blocks websites of your choice. Additionally, this extension will disable all hyperlinks to these websites, by just displaying the link text without the clicking functionality.

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 300 reviews

242,725 users

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 600 reviews

85,327 users

Make any pages' search functionality available in the Search Bar (or "search box")...

StumbleUpon by StumbleUpon

Rated 4 out of 5 stars 214 reviews

112,756 users

StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.

TV-FOX - Watch TV Online by TV-FOX

Rated 4 out of 5 stars 511 reviews

18,761 users

TV Add-on for Firefox - Watch TV directly from your Firefox Browser, 2780 Live TV Channels sorted by country & category, the TV-FOX allow you to watch thousands of TV channels freely available on the internet. powered by the biggest and most up t...

BugMeNot by retailmenot

Rated 4 out of 5 stars 224 reviews

39,500 users

Bypass compulsory web registration with the context menu via www.bugmenot.com.

Context Search by Ben Basson

Rated 5 out of 5 stars 253 reviews

42,688 users

Expands the context menu's 'Search for' item into a list of installed search engines, allowing you to choose the engine you want to use for each search.

Nightly Tester Tools by Automation Development, Tony Mechelynck, others

Rated 4 out of 5 stars 189 reviews

37,704 users

Useful tools for the nightly tester.

Greasefire by Steve Krulewitz, Erik Vold

Rated 4 out of 5 stars 176 reviews

13,991 users

Automatically find user scripts on Userscripts.org (requires Greasemonkey or Scriptish)
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