Semrush Website SEO Tools
The Semrush Website SEO Tools extension for Firefox offers a range of tools to help improve your website's SEO performance. With features for on-page SEO analysis, keyword research, backlink checking, and more.
160 users
SteamAuth
Your Steam companion: instant inventory, easy trading, auto-accept gifts & scam protection. Works on all partner sites.
160 users
CSS Layout Debugger
When activated, CSS Layout Debugger applies dynamic backgrounds and outlines to elements on the page in order to assist in layout debugging.
160 users
FancyTracker-FF
A browser extension for monitoring and analyzing PostMessages and listeners in web pages.
160 users
Dom Tree and CSS Playground
On ANY web site, easily find/edit the web elements and styles that you need, in real time. Use css playground to micro-view 100's of styles in seconds. NOTE: Use your shortcut key "f" allot.
159 users
Copy Paste Cookie Extension
Copy / Paste cookie values from a website to another through clickboard. Commonly used for test server to localhost.
159 users
Easy Video Sharpener
Real-time video sharpening using lightweight and GPU-friendly CSS SVG 'unsharp mask' filters for HTML5 video. Helps getting sharp videos on large screens and TVs. It's really helping my old eyes! 👀
158 users
Next.js Explorer - NextJS App & Pages Router
Quickly check if a webpage is built with Next.js and explore static properties and other related NextJS useful metrics.
158 users
Check iframe
Extension that indicates if the current web page uses iframe and frame tags by changing the color of its icon. It can scroll and redirect to the detected tags.
157 users
Pesticide for Firefox
This extension inserts the Pesticide CSS into the current page, outlining each element to better see placement on the page. Copyright (c) 2014 Paul Molluzzo picked up by Samuel Corsi-House in 2020.
157 users
GitHub Web IDE
This extension enhances GitHub repositories by adding a convenient dropdown menu which offers direct links to various online platforms that allow users to view and interact with the repository's source code in an environment reminiscent of an IDE.
156 users
Font Detect
The font-detect extension is a browser add-on that allows users to easily inspect and verify font styles applied to elements when they hover over them on webpages.
156 users
MASKA Tiktok Upload Method
Post edit on tiktok without any compression! Keep 60fps + Max quality
156 users
ADON PROXY HELPER
Manage proxies with ADON Proxy Helper for private, flexible browsing. Set HTTP, HTTPS, SOCKS4, or SOCKS5 proxies, control WebRTC behavior, and sync timezone settings with your active proxy for a cleaner, more consistent setup.
155 users
Web Scraper - Export & Security Scanner
Export complete websites as ZIP files with security scanning (45+ API key types), technology detection (45+ frameworks), smart resource filtering, and dark/light theme. Perfect for developers, security auditors, and web archivists.
155 users
Form Hack
Show hidden inputs in HTML pages with this simple addon. The addon was created for testing purposes. In the newer version the name or the id of the hidden input is displayed.
155 users
