My Favorite Add-ons

by Zulkarnain K.

132 Add-ons in this Collection

JavaScript Deobfuscator by Wladimir Palant

Rated 4 out of 5 stars 25 reviews

56,079 users

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.

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 396 reviews

99,367 users

Allows the download manager to also open in a tab or sidebar, and adds some optional display changes.

Cookies Manager+ by V@no

Rated 4 out of 5 stars 70 reviews

110,457 users

Cookies manager to view, edit and create new cookies. It also shows extra information about cookies, allows edit multiple cookies at once and backup/restore them.

Firefox OS 1.1 Simulator by Myk Melez, J. Ryan Stinnett

Firefox OS Simulator is a test environment for Firefox OS. Use it to test your apps in a Firefox OS-like environment that looks and feels like a mobile phone. After installing it, go to Web Developer > Firefox OS Simulator to access its features.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 326 reviews

191,554 users

Adds zoom and rotation functionality for images...

HttpFox by Martin Theimer

Rated 4 out of 5 stars 157 reviews

100,183 users

An HTTP analyzer addon for Firefox

JSONView by Ben Hollis

Rated 5 out of 5 stars 124 reviews

90,514 users

View JSON documents in the browser.

Private Tab by Infocatcher

Rated 5 out of 5 stars 172 reviews

76,275 users

Adds private tabs.

Saved Password Editor by Daniel Dawson

Rated 5 out of 5 stars 188 reviews

94,892 users

Adds the ability to create and edit entries in the password manager.

Add to Search Bar by Dr. Evil

Rated 5 out of 5 stars 583 reviews

95,444 users

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

RefControl by James Abbatiello

Rated 4 out of 5 stars 175 reviews

82,969 users

Control what gets sent as the HTTP Referer on a per-site basis.

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 165 reviews

25,959 users

A simple note-taking extension.

Pearl Crescent Page Saver Basic screenshot tool by Kathleen Brade, Mark Smith

Rated 4 out of 5 stars 76 reviews

79,459 users

Save an image of a web page (including Flash content) to a file. Web page screenshots may be captured interactively or from the command line. Options allow you to control the output format (PNG or JPEG), image file name, scaling, and much more.

about:addons-memory by Nils Maier

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

Html Validator by Marc Gueury

HTML Validator is a Mozilla extension that adds HTML validation inside Firefox and Mozilla. The number of errors of a HTML page is seen on the form of an icon

For Firefox 23+, you need 0.958 (under review)
http://users.skynet.be/mgueury/mozilla
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