Performance-Analyser
Get insight into the performance of the website in the current tab - sort of a mini live version of WebPageTest.
285 users
Alexa RANK
Alexa Traffic Rank is Alexa Internet's free extension for Mozilla. Alexa Traffic Rank accompanies you as you surf, providing you with Alexa.com data about the sites you visit without interrupting your browsing.
285 users
Twitter Video Downloader MP3 MP4
New Firefox Extension Twitter Video Downloader MP3 MP4 let you easy download any content from Twitter in few steps. Get any Video from Twitter and Download it in MP3, MP4, M4A and other best quality formats. Download video from Twitter TT with FF.
285 users
Adobe Target VEC Helper
Load your website's desktop and mobile views effortlessly in Adobe Target with the VEC helper extension
285 users
Easy Steam Collection
This will create an easier way to add all of your addons to any stream collection you create in a single click.
281 users
Webcompat.com Reporter
Adds a button to allow users to easily report site compatibility issues at webcompat.com, for the active tab.
278 users
Postwoman-ufo Browser Extension
为使用Postwoman UFO Web应用程序提供更好的体验，顺畅的在 postwoman.com.cn 和 postdata.cn WEB应用下访问localhost应用内WEB API，请访问 (https://postwoman.com.cn)
278 users
AWS SSO Extender
Demo: https://www.youtube.com/watch?v=Kpd82mK3Itk ⭐ Quickly access your Favorite AWS SSO apps 🎨 Customize your profiles, roles & AWS console 🔑 Assume IAM roles from your SSO profiles 🦊 Open the AWS console in Firefox Containers
277 users
Characters Counter
Find out how many characters there are in a selection by simply right-clicking it.
276 users
Cache Cleaner
Modern Browser Addon to easily clean selected cache items for specific sites or the whole browser with a single key press, from the right-click context menu or via the toolbar icon popup. Allows clearing Cache Storage in Firefox for the current site.
274 users
a11y-outline
Many screen readers like JAWS or NVDA have shortcuts to bring up a list of landmarks, headings or links. This browser extension provides the same functionality without requiring a screen reader. Just press Ctrl+Shift+7.
273 users
Free Backlink Checker by LRT
Free backlink checker to verify all links on a page. Finds broken, unverified, no-follow, follow, internal, external links.
271 users
InspectWP - WordPress Theme & Plugin Detector
InspectWP is a website and WordPress analysis tool which includes a WordPress theme and plugin detector.
264 users
JavaScript Switch
This plugin provides a button which behaves like that, set `javascript.enabled`=`false` or `true` at `about:config` page..
263 users
