Featured Extensions

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Search image Compatible with Firefox 57+ Featured

Select some text, right-click and choose"Search image" in the menu, a Google Image tab will open with your results.

Rated 5 out of 5 stars (35)
10,145 users

lesspass Compatible with Firefox 57+ Featured

Use LessPass add-on to generate complex passwords and log in automatically to all your sites

Rated 5 out of 5 stars (16)
3,513 users

AdBlocker Ultimate Compatible with Firefox 57+ Featured

Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!

Rated 5 out of 5 stars (2,362)
401,790 users

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 (293)
47,906 users

QR Code Image Generator Compatible with Firefox 57+ Featured

Create a QR code of the selected text, current url or hyperlink. Also possible to create a QR Code from free text within Firefox. Now with UTF8 support.

Rated 4 out of 5 stars (37)
14,978 users

Tab Auto Refresh Compatible with Firefox 57+ Featured

Automatically refresh tabs based on custom time intervals

Rated 4 out of 5 stars (13)
9,405 users

uBlock Origin Compatible with Firefox 57+ Featured

Finally, an efficient blocker. Easy on CPU and memory.

Rated 5 out of 5 stars (2,570)
3,813,902 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 (18)
9,234 users

Grammarly for Firefox Compatible with Firefox 57+ Featured

Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.

Rated 4 out of 5 stars (218)
408,980 users

Popup Blocker (strict) Compatible with Firefox 57+ Featured

Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address

Rated 4 out of 5 stars (64)
22,162 users

Tile Tabs WE Compatible with Firefox 57+ Featured

Take tabs from a parent window and arrange them in a layout of tiled sub-windows, using the toolbar button, context menu or keyboard shortcuts. Makes it easy to browse, compare or monitor multiple pages. Synchronize scroll. Save and re-open layouts.

Rated 3 out of 5 stars (14)
1,017 users

Font Finder (revived) Compatible with Firefox 57+ Featured

Get all CSS styles of selected text

Rated 5 out of 5 stars (26)
10,208 users

Country Flags & IP Whois Compatible with Firefox 57+ Featured

Displays country flag of website's server location, Whois and Geo info on a browser addressbar icon

Rated 5 out of 5 stars (22)
2,079 users

Reader Compatible with Firefox 57+ Featured

Reader is the ultimate Reader tool for Firefox.

Rated 5 out of 5 stars (77)
22,577 users

Google™ Translator Lite Compatible with Firefox 57+ Featured

a powerful tool to translate words or sentences

Rated 4 out of 5 stars (46)
33,969 users

Dark YouTube Theme Compatible with Firefox 57+ Featured

Shut down the lights on YouTube.
Enjoy!

Rated 4 out of 5 stars (118)
43,946 users

Enhancer for YouTube™ Compatible with Firefox 57+ Featured

Tons of features to improve your user experience on YouTube™.

Rated 5 out of 5 stars (161)
216,157 users

Bloody Vikings! Compatible with Firefox 57+ Featured

Simplifies the use of temporary e-mail addresses in order to protect your real address from spam. Supports inter alia 10minutemail.com and anonbox.net.

Rated 5 out of 5 stars (66)
12,385 users

Emoji Keyboard Compatible with Firefox 57+ Featured

A free extension of the web tool https://emojikeyboard.org. It helps input emoji in the web browser with an extensive search functionality.

Rated 4 out of 5 stars (71)
98,685 users

Privacy Badger Compatible with Firefox 57+ Featured

Protects your privacy by blocking spying ads and invisible trackers.

Rated 4 out of 5 stars (183)
432,680 users