Clockwork
php dev tools integrated to your browser
1,883 个用户
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.
1,878 个用户
LiveReload - Web extension
Web extension based version of LiveReload. Supports Firefox 57 (Firefox Quantum)
1,863 个用户
Grepper
The Query & Answer System for the Coder Community
1,845 个用户
SEO Analysis & Website Review by WooRank
Instant SEO analysis and website reviews for SEO, mobile, usability and social media. The freshest data when and where you want it.
1,838 个用户
Broken Link Checker
A SEO tool to find broken (404) and redirected (301, 307, 308) links in all frames
1,828 个用户
Word Counter
A lite tool for counting characters and words via context-menu
1,817 个用户
FireMonkey
Super Lightweight User Script and Style Manager
1,816 个用户
Feature Queries Manager
Manage and toggle CSS on a page behind a @supports Feature Query.
1,808 个用户
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.
1,798 个用户
Try XPath
This add-on displays the result of evaluating XPath expression or CSS selector.
1,794 个用户
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.
1,787 个用户
Clear Site Cookies
Clear the cookies of the current website, with cookie preview and precise cookie selection.
1,777 个用户
Free Visio Viewer (Mac, Windows, Linux)
Open your Microsoft Visio files for free
1,772 个用户
Smart Image Downloader
Download all images from the current webpage.
1,772 个用户
Asciidoctor.js Live Preview
Render AsciiDoc (.adoc, .asciidoc) as HTML inside Firefox!
1,767 个用户
Auto Refresh
Auto Refresh - Automatically reloads any page at the interval you choose. Lightweight, fast, and built to stay out of your way.
1,762 个用户
Claude Usage & Fable 5 Limit Tracker - UsageMeter
UsageMeter tracks your AI usage limits across Claude, ChatGPT & Grok. Plus 50+ themes, productivity tools, multi-account management & usage insights.
1,756 个用户
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.
1,755 个用户
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.
1,746 个用户
BugHerd: Visual Feedback & Bug Tracking Tool
Screenshots for the point and click bug tracker
1,742 个用户
Capture Full Page Screenshot
Capture a screenshot of your current page according to visible and fullpage with just one click
1,724 个用户
GreenIT-Analysis
GreenIT-Analysis : Measure EcoIndex(www.ecoindex.fr) and check ecometer best practice (www.ecometer.org)
1,723 个用户
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.
1,720 个用户
WebSocket Weasel
A Handy Console / Client to Communicate with WebSocket Servers
1,719 个用户