Top-Rated Extensions

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ALLYouTubeDownloader Requires Restart

ALLYouTubeDownloader extention (FLV/MP4/WebM; HD/HQ). Windows only. Works only with ALL YouTube Downloader 2.3 application or higher (versions 2.2 and lower doesn't work anymore).
Homepage: http://www.allplayer.org/youtube-to-allplayer

Rated 3 out of 5 stars (8)
19,137 users

Yahtzee Requires Restart

Yahtzee

Rated 3 out of 5 stars (2)
31 users

Search Engine Quick Switcher

Switch the current search engine on the fly! Press Control + Shift + Down Arrow to switch to the next search engine or Control + Shift + Up Arrow to select the previous one.

Rated 3 out of 5 stars (2)
11 users

Dooth Requires Restart

Dooth passphrase decryption

Rated 4 out of 5 stars (1)
1 user

mozCleaner

Cleans your Firefox, Thunderbird, SeaMonkey, Fennec (unstable), Instantbird and BlueGriffon.

Rated 3 out of 5 stars (5)
1,845 users

Google Black Bar Menu Classic

This simple script replaces Google grid navigation with old navigation bar.

Rated 3 out of 5 stars (5)
389 users

UniText Requires Restart

Unicode Character Style Replacer

Rated 3 out of 5 stars (2)
12 users

Easy AutoFocus Requires Restart

Adds feature autofocusing for text areas.

Rated 3 out of 5 stars (2)
64 users

Export for Thunderbird & Lightning Launcher Requires Restart

Export for Thunderbird & Lightning is the worldwide unique printing and exporting solution for Mozilla Thunderbird and Lightning for Windows.
Multi lingual user interface: English, German, French and Spanish

Rated 2 out of 5 stars (9)
1,092 users

Tv program Requires Restart

It shows popular stations TV program in listings, alerts and bubble infos. It's only for Czech and Slovak TV stations.
Localization: sk, cs, hu, en

Rated 2 out of 5 stars (9)
45 users

Easy Notes

One Extension to manage Notes, Reminders, Todos , Favorite pages and Website-specific-search.

Rated 2 out of 5 stars (5)
221 users

Relaxed the HTML Validator Requires Restart

"Relaxed" is a HTML validator which validates HTML documents using it's own schema definitions written in Relax NG with embedded Schematron patterns.

Rated 2 out of 5 stars (4)
22 users

pkrss Requires Restart

pkrss is one rss tools, it embed http://www.pk17s.cn.
contact with google rss feed,join in multi lanauage support,if default panel has no feed,your can search some feed by keyword in topbar.

Rated 2 out of 5 stars (4)
27 users

RemindMeBot-Reddit Compatible with Firefox 57+

All the great features of /u/RemindMeBot in a quick and easy to use extension!

Rated 2 out of 5 stars (3)
128 users

No Ads!

NO ADS on your favorite Web-sites!
Ваши любимые сайты без рекламы!

Rated 2 out of 5 stars (3)
697 users

Словарь синонимовъ RU Requires Restart

Adds to browser Russian(RU) synonyms dictionary from package LibreOffice.

Rated 3 out of 5 stars (1)
14 users

DivFind

Search in all your search engines at the same time

Rated 3 out of 5 stars (1)
22 users

Tinderstatus Requires Restart

the status of Mozilla tinderboxen in the statusbar

Rated 3 out of 5 stars (1)
44 users

Synonyms dictionary EN-US Requires Restart

Adds to browser English(US) synonyms dictionary from package LibreOffice.

Rated 3 out of 5 stars (2)
185 users

Ebank2 Plugin Requires Restart

K&H e-bank és electra belépés és tranzakció aláírás bővítmény / K&H ebank and electra login and transaction singing extension

Rated 2 out of 5 stars (23)
33,544 users