Web of Trust, MyWOT/WOT: Website Reputation Rating
Instantly know which websites to trust! WOT protects you while you browse, warning you against dangerous sites that host malware, phishing, and more.
55,609 users
Web eID
Use your electronic identification card for secure authentication and digital signing.
55,320 users
Startpage Privacy Protection
By installing the free Startpage Privacy Protection extension you will be able to stop trackers and cookies and set Startpage as your default search engine.
54,764 users
Free VPN Proxy & Ad Blocker - Planet VPN
Unblock access to any website with our free VPN proxy Mozilla extension - Planet VPN
53,315 users
Avast SafePrice
Safe shopping extension. The best free price comparison and coupon finder online.
53,105 users
52,901 users
52,727 users
Yandex.Bar
Advanced toolbar for Firefox
52,566 users
Watch2Gether
The official Watch2Gether Firefox extension allows you to share content from a supported site (Youtube, Vimeo, ...) directly into a Watch2Gether room. The new W2gSync feature allows you to sync-watch videos from any website on Watch2Gether.
52,112 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
51,658 users
Shinigami Eyes
Highlights transphobic/anti-LGBT and trans-friendly subreddits/facebook pages/groups with different colors. Supports Reddit, Twitter, Facebook, Tumblr, Medium, YouTube, Wikipedia, search engine results and all sites with Disqus comments.
51,559 users
Keeper® Password Manager & Digital Vault
Protect and autofill passwords with the world's most trusted and #1 downloaded secure password manager and digital vault.
51,511 users
Ruffle - Flash Emulator
Putting Flash back on the web. Designed to be easy to use, this extension will seamlessly enable you to play flash content, with no extra configuration required!
50,711 users
Proton Pass
Free and unlimited password manager to keep your login credentials safe and manage them directly in your browser.
50,257 users
Print Friendly & PDF
Makes a Printer Friendly & PDF version of any webpage. Removes navigation, ads, and junk. Formats the page for print so you save paper and ink. Good for the environment and your wallet.
49,904 users
Adblock for Youtube™
Popular Adblock for Youtube™ Extension: Removes the video ads from Youtube™. Thanks to all AdBlock supporters!
49,662 users
腾讯翻译
腾讯翻译是腾讯发布的一款翻译扩展。
49,502 users
Nimbus Screen Capture: Screenshot, Edit, Annotate
★ Used by Several Million users on different platforms ★ 1) Screen capture web pages 2) Selected regions 3) Whole browser window 4) Slack upload Edit screenshots. Save images as local files or Google Drive. Tools for Annotation. Upload and share
48,883 users
BTRoblox - Making Roblox Better
BTRoblox, or Better Roblox, is an extension that aims to enhance Roblox's website by modifying the look and adding to the core website functionality by adding a plethora of new features.
48,816 users
IBM Aspera Connect
This add-on enables the use of IBM Aspera Connect with Firefox. This add-on requires the IBM Aspera Connect application, version 3.9.0 or newer. IMPORTANT: If you encounter an error "Download failed. Please check your connection", update Firefox.
48,361 users
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
46,649 users
Notion Web Clipper
Use our Web Clipper to save any website into Notion.
46,629 users
VPN
Time to Level Up Privacy with SandVPN: FREE, FAST, UNLIMITED PROXY! Bypass Geo-Blocking and be free and anonymous online. Safe Browsing - Blacklist & Whitelist URLs Feature!
45,949 users
45,681 users
Immersive Translate - Translate Website & PDF
Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual
45,428 users