My Favorite Add-ons

by Zulkarnain K.

130 Add-ons in this Collection

JavaScript Deobfuscator by Wladimir Palant

Rated 5 out of 5 stars 20 reviews

50,089 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.

Live HTTP Headers by Daniel Savard, Nikolas Co

Rated 4 out of 5 stars 173 reviews

138,705 users

View HTTP headers of a page and while browsing.

JSONView by Ben Hollis

Rated 5 out of 5 stars 177 reviews

121,686 users

View JSON documents in the browser.

Save Link in Folder by Achim Seufert

Rated 4 out of 5 stars 44 reviews

4,174 users

Easily save links in personally customized...

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 179 reviews

30,979 users

A simple note-taking extension.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 172 reviews

84,018 users

An HTTP analyzer addon for Firefox

New Tab Tools by Geoff Lankow

Rated 4 out of 5 stars 240 reviews

46,612 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...

Image Zoom by Jason Adams

Rated 4 out of 5 stars 347 reviews

135,063 users

Adds zoom and rotation functionality for images...

Private Tab by Infocatcher

Rated 5 out of 5 stars 255 reviews

68,073 users

Adds private tabs.

Saved Password Editor by Daniel Dawson

Rated 5 out of 5 stars 246 reviews

95,097 users

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

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 435 reviews

53,747 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 93 reviews

83,775 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 215 reviews

52,263 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

TabSubmit by Kai Liu

Rated 5 out of 5 stars 14 reviews

5,484 users

Lets the user direct the submission of a form to a new tab or window. [Bug #17754]

Cookie Monster by s1tony

Rated 4 out of 5 stars 272 reviews

41,174 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.
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