Omnibug
The leading browser extension for analytics and marketing technology testing and debugging
2 433 användare
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.
2 420 användare
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.
2 417 användare
AdDefender - AdBlocker
This extension blocks ads on websites to improve user experience.
2 347 användare
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.
2 308 användare
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
2 272 användare
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
2 251 användare
webhint
Check for best practices and common errors with your site's accessibility, speed, security and more.
2 181 användare
PDF Combine - Convert and Merge
Convert and merge multiple files with different formats into a single PDF document
2 150 användare
YouTube Background Play
Keep YouTube videos playing when you switch tabs or minimize your browser. Perfect for listening to music or podcasts in the background.
2 145 användare
IBM Equal Access Accessibility Checker
A web developer tool that checks web applications for accessibility issues.
2 129 användare
LightSession Pro for ChatGPT
Fix slow, laggy ChatGPT tabs in Firefox. Local-only extension that speeds up long conversations by trimming old messages from the page (no data leaves your browser).
2 119 användare
ReCaptcha Solver
Verify Google ReCaptcha V2 automatically with :2Captcha, DeathByCaptcha, ImageTyperz, RuCaptcha, Anti-Captcha, BestCaptchaSolver and EndCaptcha Without API or TOKEN key it won't work!!
2 110 användare
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.
2 103 användare
ASBPlayer: Learn with Subs
Language learning subtitle player for streaming platforms like Netflix, YouTube, and more.
2 078 användare
Youtube Play All
Adds a 'Play All' button to YouTube, allowing video playback in Latest, Popular, or Oldest order.
2 071 användare
