Whiteboard Pro – Draw On Any Site
Turn any webpage into a whiteboard! Draw freehand, create lines, and customize thickness, opacity, and colors. Works on any site with full-page coverage. Perfect for notes, brainstorming, and teaching—fast, lightweight, and privacy-friendly. 🚀
86 users
View JavaScript
The "View JavaScript" Firefox addon provides users with a convenient tool for inspecting and analyzing JavaScript code directly within their browser. With its intuitive interface, users can easily view, edit, and debug JavaScrip
86 users
fly63工具箱
一款在线高效实用工具箱，无需客户端在线一键使用。拥有近上百款工具包括:程序员在线文档、在线转换、加密解密、站长工具、代码开发、Css样式、文本工具、二维码处理、图片处理、生活办公、娱乐工具等等。
86 users
Youtube Overlay Remover
Toggle for hiding the youtube.com's HTML5 player overlay, that blocks vision at the top and bottom of the video when moving the mouse or pausing, in and out of full screen. Use Shift+Alt+X as default shortcut, or change it in the Extensions Manager.
86 users
Panel Mobile
Displays a sidebar that allows you to view the mobile version of your web pages. Muestra una barra lateral que le permite ver la versión para móviles de sus páginas web.
85 users
Progress Telerik Test Studio Extension
Progress Telerik Test Studio extension enables recording and executions of web tests within Firefox Web browser. The advanced recording options enable you to visually highlight an element, inspect the DOM and automatically generate verification.
85 users
Environment Indicator
Add an environment marker to differentiate QA environments from production. In addition, you can create your own indicator rules
85 users
BetterBluesky - Trends & more
Improve your Bluesky experience! Add Trending Topics, improve design and more!
85 users
SSO Tracer: SAML & OIDC Debugger
Trace and decode SAML & OIDC login flows to pinpoint SSO failures (redaction on by default).
85 users
Colorless for Firefox
Remove colors from a web page that it becomes black and white, or sepia.
84 users
LibJS Detector
Detects the JavaScript libraries running on a page and displays their icons in the address bar.
84 users
Analytics Inspector
Analytics Inspector, by true-metrics.com provide an easy way to validate web analytics and marketing integration.
84 users
Image Downloader
Easily detect, download, convert (SVG to PNG, PNG to SVG), and resize images from any website.
84 users
Editer
Instantly Edit Web Pages in your browser with a single click to instantly edit text and layout elements directly in the browser. Ideal for quick content testing, web design, debugging, meme making, and more!
84 users
CSP Tester
This extension helps web masters to test web application behaviour with Content Security Policy version 2.0 implemented.
84 users
Linkover – preview link info on hover
Linkover loads link thumbnail, page title, description and favicon, and shows it all in a nice tooltip on link hover.
84 users
