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Dafizilla Table2Clipboard

Mozilla applications allow to select rows and columns from a table simply pressing Control key and picking rows/columns with left mouse button.
The selection can be copied to clipboard but the original table disposition is lost making ugly results wh...

Rated 5 out of 5 stars (61)
23,362 users

Live HTTP Headers

View HTTP headers of a page and while browsing.

Rated 4 out of 5 stars (133)
210,122 users

BBCode

Adds BBCode, HTML, XHTML & Symbols formatting to the context menu for forums.

Rated 4 out of 5 stars (60)
1,815 users

EmotiConverter

Post your best emoticons of the easiest and fastest way.

Rated 5 out of 5 stars (29)
710 users

RequestPolicy

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.

Rated 4 out of 5 stars (168)
132,526 users

Linkification

Converts text links into genuine, clickable links...

Rated 4 out of 5 stars (272)
39,470 users

HttpFox

An HTTP analyzer addon for Firefox

Rated 4 out of 5 stars (149)
116,154 users

MR Tech Disable XPI Install Delay

Disables default delay when installing...

Rated 5 out of 5 stars (16)
514 users

FoxyProxy Standard

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Rated 4 out of 5 stars (286)
389,894 users

Stylish

Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.

Rated 4 out of 5 stars (598)
704,423 users

FoxLingo - Translator / Dictionary

Web page and text translator, dictionary, grammar checker, auto translation, text-to-speech, and language learning services. Supports over 3,000 unique language pairs and 31 online translators, including Google Translate, Wikipedia, and Babylon. Lang...

Rated 4 out of 5 stars (40)
116,965 users

Click-to-Play Manager No Restart

Manages the Click-to-Play domain whitelist.

Rated 5 out of 5 stars (7)
3,740 users

MR Tech Toolkit

(Formerly Local Install) The primary goal of this extension is to provide the tools needed to install and manage extensions and themes locally and tons of other features.

Note: With Toolkit 6.0 Auto Archiving is fully working in Firefox 2.0 and temp...

Rated 4 out of 5 stars (133)
138,219 users

JavaScript Deobfuscator No Restart

This add-on shows you what JavaScript code runs on a web page, even if it is obfuscated and generated on the fly. Simply open JavaScript Deobfuscator from the Web Developer menu and watch the scripts being compiled/executed.

Rated 4 out of 5 stars (19)
58,773 users

Browser View

Open Firefox links, pages, and bookmarks in any other browsers.

Rated 4 out of 5 stars (33)
1,930 users

Open With

Need to test your web pages out in Internet Explorer, Chrome, Safari, Opera (or anything else for that matter)?

Open With adds options to various parts of your browser for opening the current page in another browser.

Rated 4 out of 5 stars (118)
17,215 users

Firesizer

Allows you to resize the window to specific dimensions.

Rated 4 out of 5 stars (114)
42,753 users

JSONovich No Restart

Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

Rated 4 out of 5 stars (28)
8,232 users

GitHub Extension Installer No Restart

Install Browser Extensions straight from GitHub Repositories

Rated 5 out of 5 stars (4)
796 users

Nightly Tester Tools

Useful tools for the nightly tester.

Rated 4 out of 5 stars (182)
59,976 users