Full Screen for Firefox
Go full screen with one click on the full screen button. That includes also the full screen movies such as the YouTube, Vimeo, Dailymotion, Youku video player, etc.
4,711 users
Language Switch
Allows to change the language identifier sent to webservers to whatever language you need.
4,702 users
CSSViewer
A simple yet powerful CSS property viewer. For Firefox Quantum
4,697 users
YouTube Download Button
Free YouTube Download Button allows you to save YouTube video and audio files just in 1 click
4,690 users
UI.Vision RPA
UI.Vision RPA (formerly Kantu) is open-source Robotic Process Automation (RPA) software for task and test automation. It is 3 tools in 1: Visual web browser automation, Selenium IDE and AI-powered desktop automation for Windows, Mac and Linux.
4,679 users
KeepSolid VPN Unlimited
VPN Unlimited - reliable, easy-to-use, and lightning-fast VPN extension for Firefox browser
4,673 users
Canvas Defender
Instead of completely blocking canvas fingerprinting, Canvas Defender add-on creates a unique and persistent noise that hides your real canvas fingerprint. This add-on protects you while browsing both in normal and private mode.
4,669 users
Right-click YouTube Video Downloader
Use right-click menu to download YouTube Videos without any appearance changes on your webpages. Works on YouTube video links on any pages.
4,668 users
Yomitan
Japanese dictionary with Anki integration
4,646 users
4,640 users
WebRTC Control
Have control over WebRTC (disable or enable) and protect your IP address.
4,634 users
Freespoke Search
Search with Freedom. Make Freespoke your homepage and default search engine.
4,616 users
YouTube Mp3 Downloader
The YouTube Mp3 Downloader Add-on includes a Button on any YouTube Page and allows you to convert the YouTube Video to a Mp3 with just one click. Compatible with new Firefox Quantum 57
4,602 users
Tab Manager Plus for Firefox
Quickly find open tabs, see all windows in one view, find duplicates and limit tabs per window. The best Tab Manager for Firefox.
4,598 users
4,591 users
Tamper Data for FF Quantum
- Monitor live requests - Edit headers on live requests - Cancel live requests - Redirect live requests Click the blue cloud in the toolbar to start tampering. When you're done, click it again to stop.
4,589 users
4chan X
Cross-browser userscript for maximum lurking on 4chan.
4,583 users
Pomodoro clock extension
A simple pomodoro clock to hack your productivity.
4,573 users
Detailed SEO Extension
Get SEO insights at the click of a button to any website you're currently on. Built by full-time SEO's for daily analysis.
4,572 users
Open With
Quickly test out your web pages in Chrome, Edge, Safari, or Opera. Open With opens the current page in your other browsers with just two clicks.
4,556 users
KeePassHelper Password Manager
Helper extension to find and insert logins and passwords without copying them
4,553 users
✨ Awesome Emoji Picker ✨
Modern, nice emoji picker that you can use to find 🔎 and select emojis. 😀 It will be copied to your clipboard 📋 or even directly inserted into the page, when you click 🖱️ on it. You will certainly like it. 😎
4,543 users
Basic JSON Formatter
Adds a page action to pretty-print JSON. Unlike similar extensions, this simply pretty-prints it. It doesn't add any kind of viewer, colors, or collapsing. If you want this to work as expected, disable devtools.jsonview.enabled in about:config.
4,532 users
SelectorsHub
xPath plugin to generate, write and verify xpath & cssSelector. It auto generates all kinds of relative xpath, axes xpath, index xpath, css selector.
4,531 users
FindSomething
在网页的源代码或js中找到一些有趣的东西。欢迎一起交流,微信canxiao_xiao
4,528 users