Xdebug-ext
Adds a simple button to inject a Xdebug cookie. Compatible with Firefox 57+ (Quantum). It is a port of "The easiest Xdebug" Addon by Nikita Nikitin, which is not compatible with WebExtensions.
2,065 users
Fake Data - A form filler you won't hate
Fill form fields on the fly with fake random data. No configuration needed, just double click on each input you want to fill. Has an autolearn feature for unrecognised fields.
2,012 users
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.
1,972 users
Image saver
Save any images in page directly from context menu, this includes svg elements, css background images and direct child images.
1,933 users
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.
1,932 users
PDF Combine - Convert and Merge
Convert and merge multiple files with different formats into a single PDF document
1,928 users
Amadeus Digital DNA Extension
The Amadeus Digital DNA Extension provides end-users the ability to authenticate on some dedicated Amadeus web applications with a second factor.
1,916 users
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.
1,885 users
Infy Scroll - A Next Page AutoPager
Add customized infinite scrolling to websites and auto load the next page. Supports the AutoPagerize and InfyScroll Databases.
1,863 users
Load Time
Adds an icon to the address bar to provide load time information of the current page.
1,859 users
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.
1,836 users
Broken Link Checker
A SEO tool to find broken (404) and redirected (301, 307, 308) links in all frames
1,832 users
Asciidoctor.js Live Preview
Render AsciiDoc (.ad, .adoc, .asciidoc) as HTML inside Firefox!
1,825 users
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.
1,816 users
Copy Selected Tabs to Clipboard
Provides ability to copy title and URL of selected tabs to the clipboard.
1,789 users
