Kagi Search for Firefox
A simple helper extension for setting Kagi as a default search engine, and automatically logging in to Kagi in private browsing windows.
10,851 users
Show/hide passwords
Add a link near password fields to hide or show passwords.
10,849 users
Romanian spellchecking dictionary
Romanian spellchecking dictionary for Firefox.
10,822 users
Fonts Ninja
Speed up your design workflow!
10,815 users
Live Stream Downloader
Download M3U8 HLS Streams (HTTP Live Stream) to your local disk
10,771 users
Search by Image on Google
Right click on an image to search Google for related images or versions in different sizes.
10,717 users
EverSync - Sync bookmarks, backup your favorites.
Synchronize your bookmarks and FVD Speed Dials. Secure online access with additional features. Synchronize bookmarks between different browsers. Backup and restore your bookmarks online. Sync favorites between computers! Delete duplicated bookmarks.
10,672 users
Pixiv Toolkit
Convert ugoira to gif or/and webm, pack manga for downloading and download novel on Pixiv.
10,628 users
google translate element
Automatically inserts Google Translate Element into the page. Translate the entire page without leaving page or opening a new tab.
10,606 users
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
10,591 users
RESTer
A REST client for almost any web service.
10,584 users
Yahoo Toolbar and New Tab
This Add-on gives you a simplified version of Yahoo Toolbar along with Flickr images on every new tab. It also provides quick access to your top sites.
10,556 users
New Tong Wen Tang
Traditional and Simplified Chinese Converter
10,543 users
Social Fixer
Social Fixer for Facebook fixes annoyances, adds features, and enhances existing functionality to make FB more fun and efficient. Filter the news feed, hide sponsored posts and political posts, hide parts of the page you don't want to see, and more!
10,522 users
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
10,513 users
Add custom search engine
Add a custom search engine to the list of available search engines in the search bar and URL bar.
10,429 users
10,399 users
ScriptCat
脚本猫,一个可以执行用户脚本的浏览器扩展,万物皆可脚本化,让你的浏览器可以做更多的事情!
10,392 users
HTTP Header Live
Displays the HTTP header. Edit it and send it.
10,387 users
Video Downloader VeeVee
Video Downloader VeeVee – Download videos from the Internet.
10,321 users
10,312 users
Midnight Lizard
Custom color schemes for all websites: night mode, dark themes, blue light filter, screen shader, high contrast, grayscale, etc.
10,290 users
Video Downloader
Download video from your favorite sites with just one click!
10,279 users
New Tab Tools
Customizes the new tab page. Add more tiles. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
10,243 users
AudD® Music Recognition
Identify music from any website in your browser
10,226 users