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.
2.554 brûkers
Youtube Play All
Adds a 'Play All' button to YouTube, allowing video playback in Latest, Popular, or Oldest order.
2.476 brûkers
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
2.440 brûkers
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.
2.440 brûkers
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.
2.427 brûkers
Omnibug
The leading browser extension for analytics and marketing technology testing and debugging
2.425 brûkers
ASBPlayer: Learn with Subs
Language learning subtitle player for streaming platforms like Netflix, YouTube, and more.
2.319 brûkers
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
2.301 brûkers
PDF Combine - Convert and Merge
Convert and merge multiple files with different formats into a single PDF document
2.244 brûkers
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.
2.239 brûkers
Rotate that Video Player
Improve your video experience by effortlessly rotating your video clips by 90, 180, or 270 degrees.
2.214 brûkers
Link Extractor
Modern Web Extension to extract, parse, and open links from any site or text with optional filters.
2.206 brûkers
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.
2.177 brûkers
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
2.164 brûkers
