DevTools Media Panel
DevTools panel that displays technical details about media elements and webrtc on the current page; intended primarily for web developers to understand media playback issues on their sites, and for users to provide more informative bug reports.
1 879 brukarar
Locale Switcher
Lets you quickly switch the browser locale to test localization on your website.
1 870 brukarar
APK Downloader
APK Downloader Direct download apps of the Google apps store without using Google Play.
1 867 brukarar
Extended Color Management
Ever wish that Firefox didn't use color management when viewing images or video? Turn it off easily with this add-on.
1 853 brukarar
Clear Site Cookies
Clear the cookies of the current website, with cookie preview and precise cookie selection.
1 830 brukarar
Remove Cookies Button
Toolbar button for removing cookies, local storage and session storage from the current tab. The button displays a number of deleted cookies (shown in the screenshot). In case of deletion problems button displays word "Error" and shows notification.
1 818 brukarar
Ona – Move beyond your IDE
Ona is your mission control for serious software projects and parallel coding agents. Keep momentum with secure dev environments in our cloud or your VPC.
1 810 brukarar
Website IP
Simple add-on that displays the current website IP address without a third party service. Converting the current tabs domain name to IPv4 & IPv6 via DNS lookup.
1 795 brukarar
Test & Feedback
Now everyone on the team can own quality. Capture findings, create issues, and collaborate with the team, directly from the browser.
1 792 brukarar
Mobile DevTools
an extension that adds Eruda developer tools to Firefox Android. Lets you use the console, inspect elements, and network monitor on your phone
1 768 brukarar
HighlightAll
Automatically highlight and count all occurrences of a word by selecting it. Custom mode option provides multiple highlighting feature with customizable colors and can also display search markers beside the scrollbar.
1 757 brukarar
tweak: mock and modify HTTP requests
tweak allows you to mock and modify HTTP requests without leaving the browser
1 752 brukarar
CSS Reloader
CSS Reloader is an extension that allows you to reload all the CSS of any site without you have to reload the page itself.
1 727 brukarar
Print PDF
Print any Webpage to PDF. No server or third-party processing. Uses built-in Firefox converter.
1 721 brukarar
Live editor for CSS, Less & Sass - Magic CSS
Live preview of CSS/Less/Sass code changes. Auto-save file, autocomplete, convert Less/Sass to CSS, beautify, minify, CSS reloader, linter, ...
1 718 brukarar
hide-scrollbars
Hides scrollbars in Firefox v60+ * not a legacy extension! * no extra setup required just install! * works on all sites! * easy to toggle on/off via the extension pop-out menu! If you like this extension please donate: paypal.me/qashto/5
1 712 brukarar
Link Extractor
Modern Web Extension to extract, parse, and open links from any site or text with optional filters.
1 711 brukarar
uBlock Origin Lite + proxy
Blocks ads, trackers, miners, and more immediately upon installation. Also allows to use proxy.
1 706 brukarar
GreenIT-Analysis
GreenIT-Analysis : Measure EcoIndex(www.ecoindex.fr) and check ecometer best practice (www.ecometer.org)
1 703 brukarar
Siteimprove Accessibility Checker
Jumpstart your web accessibility efforts directly in Firefox. Is your web page accessible for everyone? Assess the accessibility of your web pages conveniently in Mozilla Firefox browser with the Siteimprove Accessibility Checker.
1 702 brukarar
XSec - Безопасный VPN нового поколения
Безлимитный ВПН с маскировкой трафика для Mozilla Firefox — без регистрации. Заботимся о безопасности и приватности. На русском языке. Бесплатный VPN для ChatGPT, Discord, YouTube, Instagram и много другое!
1 674 brukarar
