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.
2.651 brûkers
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.
2.639 brûkers
ffCK Overlays
Right-click any element to remove it. Inspired by the Chrome extension "F*ck Overlays".
2.583 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.
2.555 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.
2.513 brûkers
CookieManager - Cookie Editor
Edit cookies related to the current page and all its sub-frames right from a popup
2.441 brûkers
Infy Scroll - A Next Page AutoPager
Add customized infinite scrolling to websites and auto load the next page. Supports the AutoPagerize and InfyScroll Databases.
2.428 brûkers
IBM Equal Access Accessibility Checker
A web developer tool that checks web applications for accessibility issues.
2.365 brûkers
webhint
Check for best practices and common errors with your site's accessibility, speed, security and more.
2.357 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)
2.339 brûkers
AdDefender - AdBlocker
This extension blocks ads on websites to improve user experience.
2.331 brûkers
PDF Combine - Convert and Merge
Convert and merge multiple files with different formats into a single PDF document
2.300 brûkers
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.
2.277 brûkers
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!!
2.201 brûkers
Squarespace ID Finder
Find the ids of collections, sections, and blocks on your Squarespace page. Works with both 7.0 and 7.1.
2.178 brûkers
Yandex Wordstat Assistant
Расширение, позволяющее значительно ускорить сбор фраз с помощью сервиса подбора слов Яндекс (wordstat)
2.176 brûkers
