Top-Rated Extensions

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Text Contrast for Dark Themes Compatible with Firefox 57+

Fixes low-contrast text when using a dark desktop theme.

Rated 5 out of 5 stars (28)
2,156 users

Image Resizer/Scaler

Simply resize/scale any images on the web by dragging an image!

Live demo: http://eliotvu.com/apps/image_resizer_demo

Rated 5 out of 5 stars (28)
2,061 users

Smarter Scrolling

Flick your finger quickly up or down to scroll right to the top or bottom of the page

Rated 5 out of 5 stars (53)
3,139 users

AdBlocker Lite Compatible with Firefox 57+

block ads seamlessly on popular websites

Rated 5 out of 5 stars (28)
34,886 users

Speed Tweaks (SpeedyFox)

This extension provides a list to almost all the settings that you may need to alter in order to enhance Firefox's speed.

Rated 4 out of 5 stars (101)
28,548 users

Bookmarked Speed Dial Compatible with Firefox 57+

Speed Dial integrated with your bookmarks. Based on Speed Dial (Lite) by Mark Lumnert

Rated 5 out of 5 stars (10)
307 users

YouTube use Flash Player Compatible with Firefox 57+

Force YouTube to use Flash player over the HTML5 player

Rated 4 out of 5 stars (142)
6,524 users

Tabsbook визуальные закладки Compatible with Firefox 57+

Tabsbook - экспресс-панель (Speed Dial) и ваши закладки в облаке, доступные с любого устройства и браузера. Бережно храним дорогие вам ссылки.

Rated 5 out of 5 stars (54)
1,582 users

Wayback Machine Compatible with Firefox 57+

Detects dead pages, 404s, DNS failures & a range of other web breakdowns, offering to show archived versions via the Internet Archive's Wayback Machine. In addition you can archive web pages, and see their most recent & first archives.

Rated 5 out of 5 stars (24)
11,640 users

Copy ShortURL Compatible with Firefox 57+

Copy ShortURL lets you instantly create a short URL for web pages that you visit, so you can easily share links with friends.

Rated 5 out of 5 stars (29)
1,462 users

Naver English Dictionary (Unofficial)

찾고싶은 영어 단어를 선택하면 네이버 사전 팝업을 띄워줍니다.

Rated 5 out of 5 stars (29)
1,012 users

Drumpfinator Compatible with Firefox 57+

Make Donald Drumpf Again! Replaces all instances of "Trump" with "Drumpf".

Rated 5 out of 5 stars (29)
1,410 users

Universal Edit Button Compatible with Firefox 57+

Auto-discovery button for wiki websites

Rated 5 out of 5 stars (22)
127 users

HDS Link Detector

This add-on automatically detects the HDS videos being played in browser and generates proper command line required for downloading videos with AdobeHDS.php script.

Rated 5 out of 5 stars (22)
4,290 users

WeeL Translate Compatible with Firefox 57+

Material Design 风格的辅助翻译扩展,可切换 Google 翻译、有道、百度三种翻译来源,支持 Windows、Linux、MacOS。

Rated 5 out of 5 stars (15)
858 users

Aypierre en stream ?

Marre de rater le début des lives d'Aypierre ? C'est terminé, grâce a ce plugin soyez les premiers au courant !

Rated 5 out of 5 stars (15)
430 users

Refined GitHub Compatible with Firefox 57+

Simplifies the GitHub interface and adds many useful features.

Rated 5 out of 5 stars (8)
423 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 (883)
209,754 users

pCloud Save Compatible with Firefox 57+

Save your favorite web images, videos, text and more to pCloud - up to 20 GB free storage.
★ Save web content through the right-click context menu
★ Select multiple images and save them at once
★ Mark articles, paragraphs and other types of text

Rated 5 out of 5 stars (8)
610 users

KEEN.TV Web Media Center - Live TV and VOD Compatible with Firefox 57+

KEEN.TV is the only add-on you need to fix CORS issues access KEEN.TV's FREE 850+ Live TV Channels and worldwide VOD Guide.

Rated 5 out of 5 stars (8)
344 users