Locale Switcher
Lets you quickly switch the browser locale to test localization on your website.
1.859 Benutzer
ChroPath
ChroPath helps to generate and validate selectors like relative xpath, cssSelector etc with iframe support.
1.832 Benutzer
SEO Analysis und Website Review von WooRank
Sofortige SEO-Analyse und Webseitenbewertungen für SEO, Handy, Nutzerfreundlichkeit und Soziale Medien. Die frischesten Daten, wann und wo immer Sie wollen.
1.829 Benutzer
Rotate that Video Player
Improve your video experience by effortlessly rotating your video clips by 90, 180, or 270 degrees.
1.804 Benutzer
Clear Site Cookies
Clear the cookies of the current website, with cookie preview and precise cookie selection.
1.795 Benutzer
Broken Link Checker
A SEO tool to find broken (404) and redirected (301, 307, 308) links in all frames
1.779 Benutzer
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.
1.771 Benutzer
Feature Queries Manager
Manage and toggle CSS on a page behind a @supports Feature Query.
1.766 Benutzer
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.
1.750 Benutzer
Asciidoctor.js Live Preview
Render AsciiDoc (.ad, .adoc, .asciidoc) as HTML inside Firefox!
1.725 Benutzer
Image saver
Save any images in page directly from context menu, this includes svg elements, css background images and direct child images.
1.721 Benutzer
PixelZoomer
PixelZoomer erstellt einen Screenshot der geöffneten Seite und bietet diverse Analyse-Werkzeuge: Eine Zoom-Funktion (bis zu 3200%), ein Mess-Werkzeug und eine Pipette für das Aufnehmen von Farben. PixelZoomer erfordert Firefox 3.6 oder höher.
1.715 Benutzer
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.
1.712 Benutzer
APK Downloader
APK Downloader Direct download apps of the Google apps store without using Google Play.
1.710 Benutzer
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.
1.700 Benutzer
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.
1.693 Benutzer
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.
1.682 Benutzer
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.
1.658 Benutzer
