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.
2,178 users
ICPBravoAccess
ICPBravo Access ICPBrasil and General PKI Extension.
2,135 users
Feature Queries Manager
Manage and toggle CSS on a page behind a @supports Feature Query.
2,098 users
uBlock Origin Lite + proxy
Blocks ads, trackers, miners, and more immediately upon installation. Also allows to use proxy.
2,097 users
HackBar
A browser extension for Penetration Testing
2,090 users
Squarespace ID Finder
Find the ids of collections, sections, and blocks on your Squarespace page. Works with both 7.0 and 7.1.
2,066 users
4ebur.net
4ebur.net VPN Proxy is a secure, anonymous internet connection.
2,063 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.
2,054 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.
2,048 users
PDF Combine - Convert and Merge
Convert and merge multiple files with different formats into a single PDF document
2,030 users
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.
2,026 users
WebSocket Weasel
A Handy Console / Client to Communicate with WebSocket Servers
2,018 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.
1,997 users
GraphQL Network Inspector
Simple and clean network inspector for GraphQL
1,997 users
Broken Link Checker
A SEO tool to find broken (404) and redirected (301, 307, 308) links in all frames
1,979 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.
1,969 users
JSON-formatter
Fast JSON formatting.
1,955 users
Image saver
Save any images in page directly from context menu, this includes svg elements, css background images and direct child images.
1,951 users
gooreplacer
A browser extension to block/redirect URLs and modify headers
1,951 users
Copy Selected Tabs to Clipboard
Provides ability to copy title and URL of selected tabs to the clipboard.
1,917 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.
1,914 users
FireMonkey
Super Lightweight User Script and Style Manager
1,908 users
Free Visio Viewer (Mac, Windows, Linux)
Open your Microsoft Visio files for free
1,898 users
Asciidoctor.js Live Preview
Render AsciiDoc (.ad, .adoc, .asciidoc) as HTML inside Firefox!
1,896 users
Locale Switcher
Lets you quickly switch the browser locale to test localization on your website.
1,894 users