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Firefox Browser Add-ons Explore Extensions Themes More… for Firefox Dictionaries & Language Packs Other Browser Sites Add-ons for Android Extension Workshop Developer Hub Download Firefox Register or Log in Search Search RECOMMENDED EPUBReader Read ePub files right in Firefox—increase font size, page dimensions, and more. Get the extension Extensions are like apps for Firefox. They add features to Firefox to make browsing faster, safer, or just plain fun. See all extensions Tab organizers and tools Explore extensions Privacy beyond browser extensions Learn More Media enhancers for Firefox Explore extensions Recommended extensions Download Manager (S3) View and manage downloads from a tidy status bar. Rated 4.5 out of 5 Oleksandr 98,048 users Feedbro Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source. Rated 4.5 out of 5 Nodetics 57,997 users Clear Browsing Data Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click. Rated 4.4 out of 5 Armin Sebastian 15,956 users YouTube Video and Audio Downloader (WebEx) Download YouTube videos in all available formats and extract the original audio files Rated 4 out of 5 feller 233,646 users See more recommended extensions Popular themes Dark Fox Rated 4.7 out of 5 randomaster 78,261 users Matte Black (Red) Rated 4.9 out of 5 Elijah Lopez 47,626 users Rainbow Blur Rated 4.7 out of 5 Alix P 41,265 users See more popular themes Enhanced privacy extensions Ghostery – Privacy Ad Blocker Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites. Rated 4.5 out of 5 Ghostery 1,585,228 users Privacy Badger Automatically learns to block invisible trackers. Rated 4.8 out of 5 EFF Technologists 1,351,710 users Facebook Container Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook. Rated 4.5 out of 5 Mozilla Firefox 2,085,106 users Decentraleyes Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers. Rated 4.8 out of 5 Thomas Rientjes 292,689 users See more enhanced privacy extensions Popular extensions uBlock Origin Finally, an efficient blocker. Easy on CPU and memory. Rated 4.7 out of 5 Raymond Hill 5,855,835 users Video DownloadHelper The easy way to download and convert Web videos from hundreds of YouTube-like sites. Rated 4.3 out of 5 mig 3,082,503 users Facebook Container Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook. Rated 4.5 out of 5 Mozilla Firefox 2,085,106 users NoScript Security Suite The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits. Rated 4.5 out of 5 Giorgio Maone 1,856,458 users See more popular extensions Recommended themes Wodden Cubes Rated 2.3 out of 5 ext4ft 83 users Foxy Hot Air Balloons Rated 5 out of 5 Cowgirl in the Sand 190 users Fall suspense. Rated 5 out of 5 NorDesign 82 users See more recommended themes Recommended password managers LastPass Password Manager LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device. Rated 3.7 out of 5 LastPass 1,102,225 users Bitwarden - Free Password Manager A secure and free password manager for all of your devices. Rated 4.8 out of 5 Bitwarden Inc. 222,991 users RoboForm Password Manager RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically Rated 4.2 out of 5 Siber Systems 97,240 users MYKI Password Manager & Authenticator Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens. Rated 4.7 out of 5 MYKI 3,996 users See more recommended password managers Change the way Firefox looks with themes. Change the way Firefox looks with themes. 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