Add-ons

by sloprlek

861 Add-ons in this Collection

Theme Font & Size Changer by Baris Derin, Access Firefox Project

Rated 5 out of 5 stars 143 reviews

87,640 users

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Translate This! by Bradley Rosenfeld

Rated 4 out of 5 stars 79 reviews

86,574 users

Translate the whole entire page or just a selection using Google Translate.

FXChrome by dkgo

Rated 4 out of 5 stars 684 reviews

137,310 users

A Chrome-like theme for Firefox.

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,383 reviews

220,847 users

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

HttpFox by Martin Theimer

Rated 4 out of 5 stars 161 reviews

98,766 users

An HTTP analyzer addon for Firefox

RightToClick by IKRG

Rated 5 out of 5 stars 136 reviews

189,034 users

Stops javascript annoyances such as forbidden right click, forbidden text selection or cascading dialog boxes.

Show Selected Images by konbu

Rated 4 out of 5 stars 12 reviews

8,294 users

Allows Firefox to reload multiple images that failed to be displayed.

JavaScript Deobfuscator by Wladimir Palant

Rated 4 out of 5 stars 21 reviews

54,269 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.

Wiktionary and Google Translate by Zen

Rated 4 out of 5 stars 171 reviews

61,354 users

(former Google Dictionary and Google Translate)

In-line dictionary for any word you point to or double-click; whole page translation of any web page in another language.

X-notifier (for Gmail,Hotmail,Yahoo,AOL ...) by Byungwook Kang

Rated 4 out of 5 stars 1,620 reviews

107,779 users

Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more

YSlow by YSlow

Rated 3 out of 5 stars 189 reviews

109,322 users

YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages.
http://yslow.org is the official open source website.

Zapyo by Peter Davis

Rated 4 out of 5 stars 2 reviews

7,197 users

Internet without restrictions

Autofill Forms by Sebastian Tschan, Egor Zindy, others

Rated 3 out of 5 stars 392 reviews

67,175 users

Autofill Forms enables you to fill out web forms with one click.

Download Manager Tweak by squashr1979, andman42

Rated 4 out of 5 stars 402 reviews

83,803 users

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

Simple White by Louis Chan

Rated 5 out of 5 stars 231 reviews

40,329 users

Paint your firefox white. Make it look simpler, nicer.

For Beta users, please download the latest development version.
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