Tabby Cat
A new friend in every new tab.
5,660 users
IronVest
All-in-one secure passwords, payments and privacy
5,654 users
Panorama Tab Groups
Panorama Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs and switch between groups. Panorama Tab Groups is a updated fork of Panorama View.
5,636 users
Browsing Protection by WithSecure
Extension for protecting encrypted browsing with security products by WithSecure.
5,630 users
Omnivore
Omnivore is the read-it-later app for serious readers. Distraction free. Privacy focused. Open source.
5,611 users
Ultrawidify
Aspect ratio fixer for Youtube. Allows improperly encoded videos to properly fit ultrawide and superwide displays (e.g. 21:9) — and it attempts to do so automatically.
5,607 users
YouTube Redux
Replicate old YouTube look and features within the modern layout!
5,586 users
Easy Youtube Video Downloader
No# 1 Rated Youtube Video Downloader for firefox web-browser with MP3 and Full-HD downloads. Instant, one-click Youtube video downloader with high-quality 256Kbps/128Kbps MP3 and Full-HD video downloading options.
5,537 users
wiki.gg Redirect
Redirects all requests from wikis that have moved to wiki.gg from their former host.
5,529 users
Copy Selected Links
Right-click selected text to copy the URL of any links it contains.
5,525 users
LEO Dictionaries
This is the official add-on for easier access to LEOs Online Dictionaries. Select any word or phrase, right-click on the selection and translate from/to English, French, Spanish, Italian, Chinese, Russian, Portuguese and Polish to/from German.
5,502 users
Savefrom YouTube Downloader
The fastest and easiest YouTube Downloader on the Internet! All major formats supported! Completely free!
5,491 users
Search and Wider Mail by Yahoo
Expand your Yahoo Mail inbox. Set Yahoo as your default search and enjoy a wider view. Wider mail experience works only with Yahoo as the default search engine.
5,456 users
VT4Browsers
Scan your downloads with VirusTotal before storing them, free and easy. More information at: https://docs.virustotal.com/docs/browser-extensions#vt4browsers. Contribute your domain name resolutions to the security community.
5,448 users
Salesforce inspector
Productivity tools for Salesforce.com administrators and developers to inspect data and metadata.
5,442 users
LingQ Importer
Automatically import foreign language pages, videos, movies from the web & study them with LingQ's web & mobile language learning apps.
5,439 users
Download Star
Download all items in a webpage that match a pattern
5,405 users
Download Master
Intercept downloads for Download Master, download a file or a group of files from the context menu.
5,385 users
Yomitan
Japanese dictionary with Anki integration
5,378 users
Native MPEG-Dash + HLS Playback
Allow the browser to play HLS (m3u8) or MPEG-Dash (mpd) video urls 'natively'. This is a fork of Native HLS with additional features. Click on any m3u8 or mpd link inside Firefox to play it directly in a new tab
5,359 users
FoxScroller
Auto scroll web pages with fully adjustable speed.
5,339 users
Tridactyl
Vim, but in your browser. Replace Firefox's control mechanism with one modelled on Vim. This addon is very usable, but is in an early stage of development. We intend to implement the majority of Vimperator's features.
5,336 users
Quick Heal Anti Tracker
Quick Heal Anti Tracker protects user identity and prevents trackers that collect online browsing behavior.
5,316 users
View Templates
Add View Templates & Custom Web Search extension then click the icon on your toolbar to access Online Templates plus Yahoo Web Search.
5,315 users
Unwanted Twitch
Hide unwanted streams, games, categories, channels and tags on: twitch.tv
5,293 users