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by XcomeX

25 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 5 out of 5 stars 1,807 reviews

2,216,892 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 970 reviews

1,276,496 users

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

Adblock Edge by adstomper

Rated 5 out of 5 stars 303 reviews

597,028 users

Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.

**This addon has been discontinued**

Tab Mix Plus by onemen, Gary Reyes

Rated 4 out of 5 stars 2,574 reviews

905,450 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.

Classic Theme Restorer by Aris

Rated 5 out of 5 stars 1,064 reviews

458,548 users

Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).

All builds & changelogs on versions page!

Flashblock by Philip Chee

Rated 4 out of 5 stars 1,204 reviews

677,738 users

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Speed Dial by Josep del Rio

Rated 4 out of 5 stars 1,256 reviews

420,377 users

Direct access to your most visited websites

Awesome Screenshot Plus - Capture, Annotate & More by Diigo Inc.

Rated 4 out of 5 stars 1,118 reviews

206,337 users

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

ColorZilla by Alex Sirota

Rated 5 out of 5 stars 306 reviews

287,527 users

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

Session Manager by Michael Kraft

Rated 5 out of 5 stars 447 reviews

293,254 users

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

PDF Download by Nitro PDF Software

Rated 2 out of 5 stars 686 reviews

111,024 users

Use PDF Download to do whatever you like with PDF files on the Web. Regain control and eliminate browser problems, view PDFs directly in Firefox as HTML, and use the all-new Web-to-PDF toolbar to save and share Web pages as high-quality PDF files.

Beyond Australis by Quicksaver

Rated 5 out of 5 stars 263 reviews

34,819 users

Australis was the code name for the current Firefox theme, it aimed to make a great browser look awesome. Now you can go one step further and also make it feel awesome to use!

about:addons-memory by Nils Maier

Adds an about:addons-memory page that details add-on memory usage

Hide Caption Titlebar Plus by Javier "DarthMadara"

Rated 5 out of 5 stars 395 reviews

24,185 users

"Maximize your screen space by adjusting Firefox window TitleBar, borders, Tabs, Toolbars, etc!", with 'smart' options, *optional* custom caption & resizers.  
Multiple Configurable Actions for both screen-corner buttons: Firefox & Close buttons!

QuickMark by Martijn Joosstens

Rated 5 out of 5 stars 41 reviews

10,603 users

A quick and minimalistic way to create bookmarks.
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