Bootstrap - Responsive Helper
Show the Bootstrap grid class currently active (XS, SM, MD, LG, XL, XXL). Tested and work with the versions: 3, 4, 5 Not compatible versions: 4 Alpha 2
517 users
ChromeLogger
Parses and displays messages from X-ChromeLogger-Data and X-ChromePHP-Data headers in DevTools Web Console facilitating server-side debugging via the Chrome Logger protocol ( https://craig.is/writing/chrome-logger/ ).
516 users
Environment Marker
Provides a way to add a color indicator or marker (ribbon) on a web page depending on the URL.
511 users
Seerobots
Seerobots let's you easily see the websites Meta-Robots (index/noindex and follow/nofollow) and X-Robots configuration...
510 users
Markdown Editor for Firefox
Markdown Editor for Firefox also comes with one-click HTML conversion, file support and other discreet gems.
508 users
Le Git Graph - GitHub Git Graph
A browser extension that displays the git graph for any GitHub repository.
507 users
Hoverify: All-in-one extension for web developers
Master web development with an all-in-one browser extension that helps you inspect, edit, test, debug, and optimize websites faster.
507 users
Cache Cleaner
Modern Browser Addon to easily clean selected cache items for specific sites or the whole browser with a single key press, from the right-click context menu or via the toolbar icon popup. Allows clearing Cache Storage in Firefox for the current site.
506 users
Moesif Origin & CORS Changer
The most popular and feature rich CORS tool on Chrome (over 100K weekly active users) is rebuilt for Firefox with more features. This plugin allows you to send cross-domain requests. You can also override Request Origin and CORS headers.
500 users
HTML to Figma: Convert Websites into Designs
Convert any webpage into an editable design or wireframe. Export to Figma, SVG, PNG, or JPG.
498 users
Marker.io: Visual bug reporting
Visual bug reporting tool: save time & report visual issues in seconds with all data your devs need.
498 users
LLMFeeder - Web to Markdown for AI
Convert any webpage to clean Markdown for ChatGPT, Claude & Gemini. Multi-tab copy, token counter. 100% private.
493 users
Show site IP
Shows the site's IP address in the browser's address bar. Just hover your mouse over the icon to display it or click to copy.
492 users
Fingerprint Defender
Protect against browser fingerprinting with per-session noise (canvas, audio, client-rects) instead of static spoofing. Blocks WebRTC IP leaks. Passes your real GPU, browser, timezone and fonts through so you blend in rather than stand out.
488 users
YouLoop - Repeat video/audio endless on YouTube
Repeat video/audio endless on YouTube. Furthermore a partition loop function is enable.(for HTML5) -- Wiederholt Video/Audio endlos auf YouTube. Des Weiteren gibt es die Möglichkeit, nur einen bestimmten Ausschnitt endlos zu wiederholen.(für HTML5)
487 users
