Most Popular Extensions

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Open Local File No Restart

Provides ability to open local file.

Rated 2 out of 5 stars (5)
479 users

Undo Close (for mobile) No Restart

Reopens the most recently closed tab, for Firefox Mobile.

Rated 2 out of 5 stars (3)
471 users

No more Facebook redirect No Restart

prevent facebook to redirect link to facebook.com/l.php to save your time.

Rated 4 out of 5 stars (3)
467 users

Tools for Amazon's Mechanical Turk No Restart

Set of tools for Workers on Amazon's Mechanical Turk.

Rated 4 out of 5 stars (5)
467 users

Copy Profile No Restart

Copy your profile to the sdcard for easy debugging.

Rated 5 out of 5 stars (5)
461 users

EmbedUpdater No Restart

Updates video embeds in third-party websites to make use of HTML5 video playback. Supports Youtube, Dailymotion and Vimeo.

Rated 5 out of 5 stars (1)
451 users

Scrollbar Like Scroller No Restart

Provides virtual scrollbar on viewport edges.

Rated 4 out of 5 stars (4)
442 users

WTFOSAURUS-Agar.io No Restart

Simply adds a button to Agar.io to connect to the official twitch.tv/WTFOSAURUS server.

Not yet rated
434 users

Skip to YouTube All Comments No Restart

Directly access YouTube "All Comments" pages

Rated 5 out of 5 stars (1)
416 users

Simple Popup Blocker No Restart

Simply toggle between three different popup blocking modes: allow all, allow requested or block all.

Not yet rated
400 users

Search Image with Google No Restart

Extends image context-menu with option to search the image with Google.

Not yet rated
386 users

Open Link in Zombie Tab No Restart

Add an option to open a link in a new tab without loading the page until you switch to the tab.

Rated 4 out of 5 stars (8)
382 users

MurdochBlock.info's-FireRupert-Android No Restart

Catch requests to over 100 websites owned by Rupert Murdoch and warn before proceeding, then offer the choice to: go back, view Google's cache of the page, search Google for similar pages, or allow the page for a set amount of time.

Rated 5 out of 5 stars (3)
361 users

Tab Bucket No Restart

Tab Bucket saves the currently opened tabs to quickly restore them when desired.

Rated 3 out of 5 stars (2)
350 users

PlayOnTv Mobile - отправь видео на свой SmartTV No Restart

Воспроизведи любое видео с планшета или телефона на своём SmartTV

Rated 2 out of 5 stars (5)
343 users

Close Tab For Android No Restart

Adds the set of Close Tab buttons to the URL bar

Rated 4 out of 5 stars (1)
340 users

Sinhala fonts package No Restart

Sinhala script fallback fonts for Firefox (Android edition) this addon will install a set of Sinhala fonts that enables proper rendering of Sinahala script on all sites (Facebook, Twitter, Google, etc.).

Rated 5 out of 5 stars (3)
337 users

Mozilla WebVR Enabler No Restart

Enables WebVR support in recent Firefox Nightly builds, avoiding the need to make about:config changes.

Not yet rated
327 users

Spotify => Desktop No Restart

An addon to open spotify links in the desktop app instead of in the web player.

Not yet rated
324 users

Strict SSL3 Configuration No Restart

This add-on toggles between default and strict configurations for security.ssl3 preferences.

In default mode, all preferences are reset to their default value, while in strict mode, only whitelisted preferences are activated.

Not yet rated
322 users