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I don't care about cookies Compatible with Firefox 57+

Get rid of annoying cookie warnings from almost all 'infected' websites!

Rated 5 out of 5 stars (204)
4,037 weekly downloads

All-in-One Sidebar Requires Restart

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 (1,471)
4,018 weekly downloads

Dark Background and Light Text

Makes every page (or only pages that you want) to have light text on dark background. Exact colors are customizable.

Rated 5 out of 5 stars (283)
3,982 weekly downloads

JavaScript on-off applet Requires Restart

Applet for JavaScript simple On/Off

Rated 3 out of 5 stars (8)
3,911 weekly downloads

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 (165)
3,840 weekly downloads

Webmail Ad Blocker Compatible with Firefox 57+ Featured

Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.

Rated 4 out of 5 stars (221)
3,766 weekly downloads

Forecastfox (fix version) Compatible with Firefox 57+ Featured

Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Now Available for: Firefox, Thunderbird and SeaMonkey!

Rated 4 out of 5 stars (295)
3,564 weekly downloads

Youtube Dark Mode Compatible with Firefox 57+ Featured

Switch youtube to dark mode. Dark mode will help devices save battery and useful for your sleeping. Make donation for us http://www.paypal.me/hoangthanh. Thank you!

Rated 5 out of 5 stars (107)
3,485 weekly downloads

Status-4-Evar Requires Restart

Status bar widgets and progress indicators for Firefox 4+

Rated 5 out of 5 stars (520)
3,339 weekly downloads

New Tab Tools Compatible with Firefox 57+

Customizes the new tab page. Add more tiles. Have a background image. Set new tile images and titles. See recently closed tabs. And more...

Please be patient while the WebExtension version settles in. This has been a huge change and I expect bugs.

Rated 4 out of 5 stars (272)
3,247 weekly downloads

colorPicker

A very simple extension for learning web page colors. Copy the RGB or Hex color code of any pixel displayed in your browser to the clipboard (in CSS/HTML format). Similar in function to Internet Explorer's color picker.

Rated 4 out of 5 stars (47)
3,191 weekly downloads

MinimizeToTray revived Requires Restart

Minimizes windows into the system tray.

Rated 4 out of 5 stars (342)
3,115 weekly downloads

MeasureIt Requires Restart

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

Rated 4 out of 5 stars (343)
2,894 weekly downloads

Stylus (Beta) Compatible with Firefox 57+

Redesign the web with Stylus, a user styles manager. Stylus allows you to easily install themes and skins for many popular sites.

Rated 4 out of 5 stars (56)
2,828 weekly downloads

YouTube use Flash Player Compatible with Firefox 57+

Force YouTube to use Flash player over the HTML5 player

Rated 5 out of 5 stars (147)
2,539 weekly downloads

Print Edit Requires Restart

Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.

Rated 5 out of 5 stars (309)
2,502 weekly downloads

Tile Tabs Requires Restart

Displays tabs in tiled layouts in Firefox. Arrange tiles horizontally, vertically or in a grid. Resize tiles by dragging splitter bars. Tabs and links can be dragged to open in other tiles. Supports multiple tiled layouts. Works with tab groups.

Rated 5 out of 5 stars (266)
2,424 weekly downloads

Flash Control

Controls as and when to display the Flash player and the HTML5 player.

Rated 4 out of 5 stars (72)
2,387 weekly downloads

The Addon Bar (Restored)

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

Rated 5 out of 5 stars (382)
2,383 weekly downloads

Add Bookmark Here ² Requires Restart

Add a menuitem "Add Bookmark Here..." to Bookmarks...

Rated 4 out of 5 stars (220)
2,277 weekly downloads