Featured Extensions

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To Google Translate Compatible with Firefox 57+ Featured

Right-click on a section of text and click on Translate icon next to it to translate or listen it to your language.

Rated 4 out of 5 stars (273)
61,269 users

Prevent Tab Overflow Featured

Make sure your tabs stay visible all the time.

Rated 5 out of 5 stars (70)
8,384 users

MailtoWebmails Featured

Tool for managing the default action when you click a "mailto:" link. Specializing in sharing details for Webmail services.

Rated 5 out of 5 stars (15)
3,321 users

Instant Translate: Ultimate Translator Compatible with Firefox 57+ Featured

Translator, dictionary and text-to-speech for 103 languages. Select and translate on any page with a shortcut on double-click.

Rated 4 out of 5 stars (139)
19,540 users

LanguageTool Grammar Checker Compatible with Firefox 57+ Featured

With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

Rated 4 out of 5 stars (22)
34,351 users

Reverse Image Search Compatible with Firefox 57+ Featured

Capture, Reverse Image Search is a powerful capturing reverse image search tool built on top of TinEye engine.

Rated 4 out of 5 stars (15)
9,367 users

New Tab Override (WebExtension) Compatible with Firefox 57+ Featured

New Tab Override brings back the ability to change the page which is shown when opening a new tab.

Rated 5 out of 5 stars (163)
103,521 users

Pick & Save Images Featured

Here's a handy and powerful image saving tool for you to pick and save your favorite images in page! With thumbnail mapping, preference profiles, image filtering, and lots of flexible preferences & features!

Rated 5 out of 5 stars (40)
13,337 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 (271)
30,674 users

Tab Memory Usage Featured

Tab Memory Usage displays the amount of memory is used by each tab

Rated 4 out of 5 stars (47)
21,675 users

AdBlocker for YouTube™ Compatible with Firefox 57+ Featured

Removes all annoying Ads from YouTube

Rated 4 out of 5 stars (79)
257,255 users

Tab Scope Requires Restart Featured

Preview and navigate tab contents through popup.

Rated 4 out of 5 stars (453)
65,361 users

Private Tab Featured

Adds private tabs.

Rated 5 out of 5 stars (245)
49,218 users

Emoji Cheatsheet Compatible with Firefox 57+ Featured

A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook.
Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.

Rated 4 out of 5 stars (45)
39,350 users

OmniSidebar Featured

Bring your bookmarks into view with just a gesture. Move the sidebar across the screen. Open a different sidebar by just clicking its title. And more! Keeps your sidebar simple and quick to access!

Rated 5 out of 5 stars (125)
59,057 users

FoxyProxy Standard Requires Restart Featured

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Rated 4 out of 5 stars (398)
183,197 users

DownThemAll! Featured

The first and only download manager/accelerator built inside Firefox!

Rated 4 out of 5 stars (1,807)
919,989 users

Ghostery Compatible with Firefox 57+ Featured

Increase your browsing privacy, protection, and speed.

Rated 4 out of 5 stars (1,517)
938,078 users

Font Finder (revived) Compatible with Firefox 57+ Featured

Get all CSS styles of selected text

Rated 5 out of 5 stars (20)
8,911 users

Theme Font & Size Changer 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 (183)
90,166 users