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by prochobo

13 Add-ons in this Collection

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,073 reviews

1,737,560 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 1,756 reviews

1,145,553 users

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

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,059 reviews

1,112,614 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 262 reviews

396,172 users

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

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,492 reviews

257,776 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 376 reviews

216,925 users

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

ChatZilla by Gijs Kruitbosch, Robert Ginda, others

Rated 4 out of 5 stars 126 reviews

101,617 users

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

StumbleUpon by StumbleUpon

Rated 4 out of 5 stars 223 reviews

55,994 users

StumbleUpon is the easiest way to discover new and interesting photos, videos, web pages and more, recommended by a community of experts. Tell us what you are interested in and we recommend page after page of amazing stuff you’d never expect to see.

SearchStatus by Craig Raw

Rated 4 out of 5 stars 193 reviews

14,571 users

Display the Google PageRank, Alexa rank, Compete ranking and SEOmoz Linkscape mozRank anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, canonical links, WHOIS, robots and more.

Download Statusbar by C.J.

Download Now

Experimental

Rated 4 out of 5 stars 1,375 reviews

213,429 users

View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.

Thanks Tekzilla for your awesome review! Click here to see their video: http://youtu.be/BUDqWrJ-Vao

Personal Menu (Personal Firefox Button) by Merci chao

Bring back your personal and powerful Firefox Button!

Smart Bookmarks Bar by Remy Juteau

Rated 4 out of 5 stars 486 reviews

1,702 users

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

1-ClickWeather by The Weather Channel

Rated 4 out of 5 stars 581 reviews

2,179 users

Note from Mozilla: This add-on has been discontinued. Try Forecastfox Weather instead.

1-ClickWeather for Firefox enables users to quickly view current weather conditions.

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