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by CTM

38 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,084 reviews

1,847,979 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...

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 1,842 reviews

1,193,438 users

The first and only download manager/accelerator built inside Firefox!

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 1,472 reviews

744,155 users

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,023 reviews

1,158,403 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 260 reviews

421,156 users

The Web Developer extension adds various web developer tools to the browser.

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 341 reviews

231,296 users

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

Evernote Web Clipper by Evernote

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

FireGestures by Gomita

Rated 4 out of 5 stars 981 reviews

327,060 users

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,600 reviews

278,921 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

Session Manager by Michael Kraft

Rated 4 out of 5 stars 509 reviews

281,814 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.

Reload Plus by bwProductions

Rated 5 out of 5 stars 83 reviews

30,096 users

Supercharge your reload button and hotkeys!

Mozilla Archive Format, with MHT and Faithful Save by Christopher Ottley, Paolo Amadini

Rated 4 out of 5 stars 331 reviews

151,565 users

— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!

Add-on Compatibility Reporter by Mozilla

Rated 4 out of 5 stars 200 reviews

65,929 users

Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.

Link Gopher by Andrew Ziem

Rated 4 out of 5 stars 65 reviews

11,387 users

Extracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.

Firefinder for Firebug by Robert Nyman

Rated 3 out of 5 stars 28 reviews

17,959 users

Finds HTML elements matching chosen CSS selector(s) or XPath expression
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