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.
2627 usuarios
Google Analytics Debugger
Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript. P.S: this add-on is migrated from Chrome store.
2581 usuarios
Omnibug
The leading browser extension for analytics and marketing technology testing and debugging
2574 usuarios
Youtube Play All
Adds a 'Play All' button to YouTube, allowing video playback in Latest, Popular, or Oldest order.
2511 usuarios
Merge Windows
Merges the tabs from multiple windows together into one window. Extension won't show context menu item when there aren't more than one window of the same type to merge together. Private windows will only merge with private windows not normal.
2491 usuarios
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
2481 usuarios
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
2342 usuarios
asbplayer: Language-learning with subtitles
Language learning subtitle player for streaming platforms like Netflix, YouTube, and more.
2339 usuarios
PDF Combine - Convert and Merge
Convert and merge multiple files with different formats into a single PDF document
2334 usuarios
HTTP request maker
Displays a sidebar that lets you to forge HTTP requests. Press Alt+Shift+Y to show the sidebar and make your own HTTP request. You can choose the method GET, HEAD, POST, OPTIONS, PUT DELETE and the body data to send. Response in the main window.
2316 usuarios
IBM Equal Access Accessibility Checker
A web developer tool that checks web applications for accessibility issues.
2293 usuarios
ClaudeCodeBrowser
ClaudeCodeBrowser enables AI-powered browser automation through the Claude Code CLI. It allows Claude to interact with web pages by taking screenshots, clicking elements, typing text, scrolling, and navigating - all controlled via a local MCP server.
2291 usuarios
Locale Switcher
Lets you quickly switch the browser locale to test localization on your website.
2265 usuarios
Rotate that Video Player
Improve your video experience by effortlessly rotating your video clips by 90, 180, or 270 degrees.
2244 usuarios
