Proton Pass
Free and unlimited password manager to keep your login credentials safe and manage them directly in your browser.
47,500 users
Notion Web Clipper
Use our Web Clipper to save any website into Notion.
46,878 users
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
46,590 users
Selenium IDE
Selenium IDE is an integrated development environment for Selenium tests. It is implemented as a Firefox extension, and allows you to record, edit, and debug tests.
45,764 users
CyberGhost VPN Free Proxy
Use CyberGhost Proxy Plugin to encrypt your browser traffic so you can be sure that no online snooper can see where you go on the web.
45,380 users
XKit Rewritten
The enhancement suite for Tumblr's new web interface
44,493 users
Flight Tab Pro & Custom Web Search
Install the Flight Tab Pro & Custom Web Search extension to track flight status & access flight info by clicking the favicon on the toolbar & enjoy Yahoo® search from your browser.
44,450 users
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
44,267 users
YouTube Converter Button
Free YouTube Converter Button allows you to save YouTube video and audio files just in 1 click
44,128 users
43,971 users
Quick Recipe Hub & Custom Web Search
Add the Quick Recipe Hub & Custom Web Search extension and access a wide variety of food recipes by clicking the favicon on the toolbar & enjoy access to Yahoo® search from your browser.
43,923 users
Fakespot Fake Amazon Reviews and eBay Sellers
Protect yourself from bad sellers and fake reviews on Amazon and more!
43,850 users
Consent-O-Matic
Automatic handling of GDPR consent forms
43,832 users
Trusted Shops extension
Safe online shopping
43,250 users
VPN
Time to Level Up Privacy with SandVPN: FREE, FAST, UNLIMITED PROXY! Bypass Geo-Blocking and be free and anonymous online
43,075 users
Woordenboek Nederlands
Dutch dictionary with wordslist from OpenTaal.
42,998 users
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
42,974 users
Undo Close Tab
Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.
42,961 users
Norton AntiTrack
Feel like you have little to no control over what information the sites you visit collect and share? Norton AntiTrack can help.
42,846 users
Immersive Translate - Translate Website & PDF
Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual
42,445 users
Dictionary Anywhere
View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.
42,111 users
42,101 users
FastForward
Don't waste time with compliance. Use FastForward to skip annoying URL "shorteners".
42,071 users
vidIQ Vision for YouTube
With insights and metrics that go beyond YouTube Analytics, vidIQ Vision delivers a comprehensive optimization report card for any YouTube video via your Firefox browser!
42,071 users
iGraal - Cashback & codes promo
Récupérez de l'argent sur vos achats en ligne, c’est simple avec iGRAAL
41,430 users