Firefox extension directory
Every active Firefox extension we track, ranked by installs, with its security risk level. Browse by category, store collection, keyword or publisher.
Most installed
uBlock Origin10.5M users4.8low- N/AuBlock Origin7.8M users4.8
- N/AuBlock Origin7.8M users4.8
- N/AuBlock Origin7.8M users4.8
- N/AuBlock Origin7.8M users4.8
- N/AuBlock Origin7.8M users4.8
Adblock Plus2.7M users4.4
Language: English (US)2.4M users4.1- Language: English (CA)2.2M users4.3
- Language: English (GB)1.9M users3.7
Privacy Badger1.8M users4.8
Video Download Helper1.7M users4.3
AdGuard AdBlocker1.7M users4.6
AdBlock for Firefox1.3M users4.2
Dark Reader1.3M users4.5
Easy Screenshot1.2M users3.9- Language: Deutsch (German)1.2M users4.1
DuckDuckGo Search & Tracker Protection1.0M users4.3
AdBlocker Ultimate1.0M users4.8
Ghostery – Privacy Ad Blocker973K users4.4- Language: Français (French)959K users4.2low
Bitwarden Password Manager942K users4.6- N/ALanguage: Français (French)912K users4.1
Return YouTube Dislike905K users4.6
Tampermonkey760K users4.7
SponsorBlock - Skip Sponsorships on YouTube741K users4.8
Facebook Container733K users4.5- N/ALanguage: Español (ES) (Spanish, Spain)666K users4.4
- Language: Español (ES) (Spanish, Spain)648K users4.4low
To Google Translate632K users4.1
Language: Português (BR)625K users4.7
TWP - Translate Web Pages551K users4.7
IDM Integration Module537K users4.6- Language: Русский (Russian)530K users4.4
Language: Español (MX) (Spanish, Mexico)526K users4.5
Grammarly: AI Writing and Grammar Checker App514K users4.1
Enhancer for YouTube™512K users4.7
ClearURLs506K users4.3
AdBlocker for YouTube™477K users3.8
Browsec VPN474K users3.9
Cisco Webex Extension473K users2.9
BetterTTV471K users4.5
Capital One Shopping: Save Now471K users4.3
Search by Image447K users4.6
Malwarebytes Browser Guard442K users4.2- Language: Polski (Polish)422K users4.6
- N/ALanguage: Español (AR) (Spanish, Argentina)398K users4.3
Firefox Multi-Account Containers397K users4.6