Extensions by Weekly Downloads

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MeasureIt

Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

Rated 4 out of 5 stars (330)
5,520 weekly downloads

Google™ Translator No Restart Featured

Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.

Rated 4 out of 5 stars (85)
5,508 weekly downloads

Theme Font & Size Changer No Restart Featured

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.

Rated 5 out of 5 stars (142)
5,453 weekly downloads

Google™ Translator Lite No Restart Featured

Google™ Translator Lite

Rated 4 out of 5 stars (15)
5,447 weekly downloads

User Agent Overrider No Restart

Override browser user agent string

Rated 4 out of 5 stars (43)
5,447 weekly downloads

Easy Screenshot (restartless) No Restart

Easy Screenshot is an easy to use screen capture tool. Simply press one of the context menu items to capture entire or a portion of your screen.

Rated 4 out of 5 stars (3)
5,335 weekly downloads

Showcase

Easily find and manage your browser tabs.

Rated 4 out of 5 stars (147)
5,257 weekly downloads

Torrent Tornado Featured

A Torrent Client for Firefox and SeaMonkey, runs everywhere, created in pure JavaScript without binary software!

Rated 4 out of 5 stars (39)
5,256 weekly downloads

Pushbullet No Restart

Pushbullet enables you to see your calls and texts on your computer and easily send links and files from your computer to phone.

Rated 4 out of 5 stars (113)
5,156 weekly downloads

agarioserverbrowser No Restart

just an basic serverbrowser for agario.

Rated 5 out of 5 stars (1)
5,124 weekly downloads

Hide My Ass! Web Proxy

Hide My Ass! operates the most popular browser based web proxy online, this is our official extension that enables you to easily redirect your web traffic through our anonymous proxy network.

Rated 3 out of 5 stars (56)
5,083 weekly downloads

Youtube to MP3 Converter - High Quality MP3 it

Youtube to MP3 Converter which places an "MP3 it" Button on Youtube Video Pages.

With Just One Click, A New Tab Loads without Disruption of your viewing Experience Where you can Downloaded your Converted 256k MP3 File.

Rated 2 out of 5 stars (30)
5,017 weekly downloads

signTextJS No Restart

window.crypto.signText replacement

Rated 4 out of 5 stars (8)
5,003 weekly downloads

JSONView No Restart

View JSON documents in the browser.

Rated 5 out of 5 stars (129)
4,987 weekly downloads

RightToClick Featured

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

Rated 5 out of 5 stars (137)
4,983 weekly downloads

Zapyo No Restart

Internet without restrictions

Not yet rated
4,970 weekly downloads

The Addon Bar (Restored) No Restart Featured

Gives you a place to put all your add-on buttons without over-crowding the navigation bar.

Rated 5 out of 5 stars (269)
4,957 weekly downloads

All-in-One Sidebar

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.

Rated 5 out of 5 stars (1,382)
4,953 weekly downloads

Cookies Export/import No Restart

Imports/exports cookies following Netscape standard.

Rated 5 out of 5 stars (15)
4,922 weekly downloads

ScrapBook

Helps you to save Web pages and organize the collection.

Rated 4 out of 5 stars (840)
4,875 weekly downloads