Appearance

Subscribe

Ultrawidify Compatible with Firefox 57+

Aspect ratio fixer for Youtube. Allows improperly encoded videos to properly fit wider displays (e.g. 21:9)

Rated 5 out of 5 stars (14)
2,032 users

Noise Requires Restart

Make sound responses while events happen.

Rated 4 out of 5 stars (41)
2,468 users

Dark TwitchTV Compatible with Firefox 57+

A Dark Theme for TwitchTV

Rated 5 out of 5 stars (4)
1,958 users

AutoFormer Requires Restart

AutoFormer loads saved data in forms.
Loading is automatic, saving is manual (2 mouse click).

Rated 4 out of 5 stars (27)
1,989 users

Print for Firefox Compatible with Firefox 57+

Print the current page you see.

Rated 4 out of 5 stars (4)
1,115 users

Zoom Page Requires Restart

Full featured zoom manager with independent page and image zoom modes. Choose from four zoom modes: Default Zoom, Fit-To-Width, Default Zoom + Site Specific or Fit-To-Width + Site Specific. Button style and zoom levels are fully configurable.

Rated 5 out of 5 stars (157)
88,990 users

jQuery Requires Restart

jQuery and jQuery UI embedded in browser

Rated 4 out of 5 stars (7)
2,440 users

mFull: Full Screen Mode for Firefox Requires Restart

Firefox in Full Screen mode with many extra options, such as optionally display the guides or for example the address bar. Saves the last state or force start in full screen forever! Simple and complete for this purpose.

Rated 5 out of 5 stars (9)
8,770 users

Autoplay Toggle

A toggle button for quickly turning the autoplay userpref on and off, for dealing with players which break when autoplay is disabled.

Rated 3 out of 5 stars (21)
1,489 users

Vertical Tabs Reloaded

This Firefox add-on arranges tabs in a vertical rather than horizontal fashion.

A WebExtension version is in work! See https://github.com/Croydon/vertical-tabs-reloaded/issues/13 for more information.

Rated 4 out of 5 stars (30)
1,903 users

Text Contrast for Dark Themes Compatible with Firefox 57+

Fixes low-contrast text when using a dark desktop theme.

Rated 5 out of 5 stars (18)
1,802 users

Bookmarks Favicon Images Requires Restart

Customize Bookmarks Favicon Images

Rated 4 out of 5 stars (36)
3,862 users

FindBar Tweak Featured

Between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, it has everything to make the Find Toolbar a powerful and accessible research tool!

Rated 5 out of 5 stars (266)
34,413 users

NoSquint Requires Restart

NoSquint is no longer maintained. :(

Rated 5 out of 5 stars (473)
164,187 users

Hide Sync in Menu

Hide "Sign in to Sync" button in the menu.

Rated 5 out of 5 stars (4)
1,243 users

FastPrevNext

Easily browse through sequenced URLs

Rated 4 out of 5 stars (12)
1,306 users

YouTube use Flash Player Compatible with Firefox 57+

Force YouTube to use Flash player over the HTML5 player

Rated 4 out of 5 stars (104)
6,748 users

Menu Editor II Requires Restart

Hides or moves menus and menu items. (Deprecated version, see below.)

Rated 3 out of 5 stars (63)
9,474 users

Easy Access Requires Restart

Allow an easy access to the system commands and other programs in your computer.

Rated 4 out of 5 stars (16)
285,568 users

Ads Cleaner Compatible with Firefox 57+

Remove the ads from the Search Results pages of Search Engines.Yahoo.com,google.com,youtube.com,baidu.com,ask.com and so on

Rated 5 out of 5 stars (4)
2,432 users