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.
1.904 brûkers
ChroPath
ChroPath helps to generate and validate selectors like relative xpath, cssSelector etc with iframe support.
1.899 brûkers
View Page Source (Mobile)
Adds the ability to open the page source in a new tab via button (Desktop) or menu (Firefox for Android).
1.875 brûkers
Broken Link Checker
A SEO tool to find broken (404) and redirected (301, 307, 308) links in all frames
1.859 brûkers
Clear Site Cookies
Clear the cookies of the current website, with cookie preview and precise cookie selection.
1.842 brûkers
Rotate that Video Player
Improve your video experience by effortlessly rotating your video clips by 90, 180, or 270 degrees.
1.839 brûkers
Feature Queries Manager
Manage and toggle CSS on a page behind a @supports Feature Query.
1.829 brûkers
Laboratory (Content Security Policy / CSP Toolkit)
Because good website security shouldn't only be available to mad scientists! Laboratory is a WebExtension that helps you generate a Content Security Policy (CSP) header for your website.
1.820 brûkers
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.
1.818 brûkers
Asciidoctor.js Live Preview
Render AsciiDoc (.ad, .adoc, .asciidoc) as HTML inside Firefox!
1.805 brûkers
Dark Night Mode
It is a universal night mode for the entire Internet. It uses a special algorithm to automatically change the colors of the websites you visit into dark mode so that you can browse without straining your eyes, especially at night.
1.796 brûkers
PixelZoomer
PixelZoomer takes a screenshot of the current website and provides various tools for pixel analysis. You can zoom into websites (up to 3200%), measure distances and pick colors with an eye dropper.
1.773 brûkers
HackTools
Hacktools, is a web extension facilitating your web application penetration tests, it includes cheat sheets as well as all the tools used during a test such as XSS payloads, Reverse shells to test your web application.
1.765 brûkers
APK Downloader
APK Downloader Direct download apps of the Google apps store without using Google Play.
1.760 brûkers
Xdebug-ext
Ajoute un simple bouton pour injecter un cookie Xdebug. Compatible avec Firefox 57+ (Quantum). Il s'agit d'un portage du module "The easiest Xdebug" par Nikita Nikitin, qui n'est pas compatible avec WebExtensions.
1.756 brûkers
Image saver
Save any images in page directly from context menu, this includes svg elements, css background images and direct child images.
1.753 brûkers
GreenIT-Analysis
GreenIT-Analysis : Measure EcoIndex(www.ecoindex.fr) and check ecometer best practice (www.ecometer.org)
1.750 brûkers
Enable Selection and Copy
Force enable text selection and copy. (mod by Gary) This is modded from another well-known addon and makes it function on local files also. Nothing else changed.
1.745 brûkers
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.
1.709 brûkers
