My Favorite Add-ons

by Zulkarnain K.

126 Add-ons in this Collection

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 168 reviews

123,584 users

View HTTP headers of a page and while browsing.

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 166 reviews

28,016 users

A simple note-taking extension.

New Tab Tools by Geoff Lankow

Rated 4 out of 5 stars 217 reviews

44,076 users

Customizes the new tab page. Add more tiles. Add the launcher from Firefox start. Have a background image. Set new tile images and titles. See recently closed tabs. And more...

Save Link in Folder by Achim Seufert

Rated 4 out of 5 stars 43 reviews

3,840 users

Easily save links in personally customized...

HttpFox by Martin Theimer

Rated 4 out of 5 stars 171 reviews

73,882 users

An HTTP analyzer addon for Firefox

JSONView by Ben Hollis

Rated 5 out of 5 stars 177 reviews

108,515 users

View JSON documents in the browser.

Private Tab by Infocatcher

Rated 5 out of 5 stars 236 reviews

63,606 users

Adds private tabs.

Image Zoom by Jason Adams

Rated 4 out of 5 stars 339 reviews

124,285 users

Adds zoom and rotation functionality for images...

JavaScript Deobfuscator by Wladimir Palant

Rated 5 out of 5 stars 21 reviews

46,065 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 388 reviews

48,814 users

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

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

Rated 4 out of 5 stars 82 reviews

78,696 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.

Html Validator by Marc Gueury

Rated 4 out of 5 stars 218 reviews

45,407 users

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 Online HTML 5 validation, you need 0.962
http://users.skynet.be/mgueury/mozilla

Saved Password Editor by Daniel Dawson

Rated 5 out of 5 stars 246 reviews

87,847 users

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

Cookie Monster by s1tony

Rated 4 out of 5 stars 238 reviews

37,986 users

Cookie Monster provides proactive cookie management on a site or domain level basis, including 3rd party cookies. Via the Toolbar, it provides easy access to enhanced cookie functionality, while doing so in a non-intrusive manner.

RefControl by James Abbatiello

Rated 4 out of 5 stars 170 reviews

76,535 users

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