tron

by Toni Oriol

17 Add-ons in this Collection

Adblock Plus by Wladimir Palant

Rated 5 out of 5 stars 4,988 reviews

18,497,771 users

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,063 reviews

1,925,995 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...

Stylish by userstyles.org

Rated 4 out of 5 stars 799 reviews

431,590 users

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

Web Developer by chrispederick

Rated 5 out of 5 stars 258 reviews

443,094 users

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

Evernote Web Clipper by Evernote

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

United States English Spellchecker by jooliaan

Rated 3 out of 5 stars 161 reviews

464,765 users

United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.

To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".

Spanish (Spain) Dictionary by tnarik, RickieES

Rated 4 out of 5 stars 112 reviews

301,607 users

Spanish/Spain Dictionary

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,486 reviews

277,441 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!

ColorZilla by Alex Sirota

Rated 4 out of 5 stars 371 reviews

240,555 users

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

Feedly - Beyond Google Reader by feedly

Download Now

Experimental

Rated 5 out of 5 stars 3,259 reviews

53,916 users

A productive way to organize, read and share the content of your favorite feeds, blogs and news sites. Feedly offers a seamless transition from Google Reader.

General Catalan dictionary by Toniher

Rated 4 out of 5 stars 34 reviews

44,592 users

Free Catalan (general version) spelling dictionary.

Favicon Picker 3 by finny08

Rated 4 out of 5 stars 335 reviews

670 users

Change your bookmark icons! Right-click a bookmark, and select "Properties", then "Browse" for a new image or paste in a URL.

Legacy Test Pilot (Outdated) by Wil Clouser (clouserw)

Rated 4 out of 5 stars 71 reviews

89,476 users

The legacy Test Pilot program has been replaced, and this add-on is no longer useful. If you're interested in testing new features in Firefox please join the new program at https://testpilot.firefox.com

Mozilla Labs - Prism by Mozilla Labs

Create Prism applications directly from Firefox

Smart Bookmarks Bar by Remy Juteau

Rated 4 out of 5 stars 486 reviews

1,866 users

Note from Mozilla: This add-on has been discontinued. Try Roomy Bookmarks Toolbar instead.
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