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FireGestures Requires Restart

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Rated 4 out of 5 stars (900)
268,157 users

EPUBReader Compatible with Firefox 57+ Featured

With EPUBReader you can read ePub files just in Firefox. No additional software needed!

Rated 4 out of 5 stars (218)
263,476 users

Adguard AdBlocker Compatible with Firefox 57+

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

Rated 5 out of 5 stars (436)
258,963 users

Easy Youtube Video Downloader Express Compatible with Firefox 57+ Featured

WORKS WITH NEW YOUTUBE LAYOUT, "Best Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.

Rated 4 out of 5 stars (1,474)
256,654 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 (217)
254,222 users

YouTube mp3

Adds a download button to YouTube. By clicking on it you can download the video as a high quality mp3 file.

Rated 3 out of 5 stars (288)
249,436 users

Skype

Quickly access Skype for Web and Share on Skype through your browser

Rated 3 out of 5 stars (21)
248,656 users

Garmin Communicator Requires Restart

The Garmin Communicator is an internet browser plugin that allows you to easily transfer data between websites and Garmin GPS devices.

Rated 2 out of 5 stars (41)
247,974 users

anonymoX

Easy anonymous web browsing.
– Change your IP-Address and country
– Visit blocked or censored websites.
– Delete cookies, show your public ip, and more

We provide the proxy servers, no external proxies or other programs required

Rated 3 out of 5 stars (950)
246,561 users

Flashblock Requires Restart

Never be annoyed by a Flash animation again! Blocks Flash so it won't get in your way, but if you want to see it, just click on...

Rated 4 out of 5 stars (1,143)
245,614 users

Evernote Web Clipper Compatible with Firefox 57+

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

Rated 2 out of 5 stars (1,052)
240,014 users

Session Manager

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

Rated 4 out of 5 stars (518)
237,702 users

Ecosia — The search engine that plants trees!

Ecosia is a search engine that donates 80% of its surplus income to planting trees. By searching with Ecosia you can help the environment for free.
This extension adds Ecosia.org as the default search engine to your Firefox. Give it a try!

Rated 5 out of 5 stars (154)
236,208 users

Firefox Lightbeam Compatible with Firefox 57+

Lightbeam is a Firefox add-on that enables you to see the first and third party sites you interact with on the Web. Using interactive visualizations, Lightbeam shows you the relationships between these third parties and the sites you visit.

Rated 4 out of 5 stars (449)
235,320 users

YouTube Flash Player Compatible with Firefox 57+

A very lightweight add-on that allows you to watch YouTube™ videos using Flash® Player instead of the default HTML5 player. The Flash® Player will consume less CPU and RAM resources if your device doesn't easily support HTML5 videos. Try it!

Rated 5 out of 5 stars (107)
231,573 users

Визуальные закладки от Яндекс Requires Restart

Визуальные закладки – это страница, на которой собраны ваши любимые сайты.

Rated 3 out of 5 stars (130)
230,284 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 (17)
229,956 users

Video Downloader professional Compatible with Firefox 57+

- download and save videos embedded into a website to your hard disk
- add youtube, vimeo and other videos easily to your video list
- supports up to 4k videos

Rated 4 out of 5 stars (946)
225,167 users

IE Tab V2 (Enhanced IE Tab) Requires Restart

Note: If you are encountering the Connecting... problem see instructions below.

The updated, fully supported IE Tab. Embed IE in a Firefox tab. IE Tab Features: FF 4+ support, IE 7-9 compatibility modes, old IE Tab settings import.

Rated 4 out of 5 stars (438)
224,356 users

Self-Destructing Cookies

Fix the web. Gets rid of a site's cookies and LocalStorage as soon as you close its tabs. Protects against trackers and zombie-cookies. Trustworthy services can be whitelisted.

Rated 4 out of 5 stars (616)
222,242 users