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.
1,640 users
Image saver
Save any images in page directly from context menu, this includes svg elements, css background images and direct child images.
1,640 users
Print PDF
Print any Webpage to PDF. No server or third-party processing. Uses built-in Firefox converter.
1,633 users
BugHerd: Visual Feedback & Bug Tracking Tool
Screenshots for the point and click bug tracker
1,627 users
ChroPath
ChroPath helps to generate and validate selectors like relative xpath, cssSelector etc with iframe support.
1,627 users
GreenIT-Analysis
GreenIT-Analysis : Measure EcoIndex(www.ecoindex.fr) and check ecometer best practice (www.ecometer.org)
1,612 users
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.
1,601 users
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.
1,600 users
Website IP
Simple add-on that displays the current website IP address without a third party service. Converting the current tabs domain name to IPv4 & IPv6 via DNS lookup.
1,599 users
Extension source viewer
View source code of Firefox add-ons and Chrome extensions (crx/nex/xpi) from addons.mozilla.org, the Chrome Webstore and elsewhere, with CRX Viewer (crxviewer).
1,598 users
(Animated) Nyan Cat Progress Bar for YouTube™
Nyan Cat Progress Bar for YouTube™ ~~ [Animated] ~~
1,597 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.
1,568 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.
1,564 users
Open Graph Preview
Shows approximately what users will see if this webpage is shared on websites that uses OG tags to display a preview. Let you detect if no Open Graph Tags are set on your webpage ! The shown preview is inspired from the Facebook one.
1,563 users
Allow Copy Plus
A browser extension to unblock text selection, right-click functionality, and content copying on any website.
1,562 users
tweak: mock and modify HTTP requests
tweak lets you mock and modify HTTP requests without leaving the browser
1,556 users
Load Time
Adds an icon to the address bar to provide load time information of the current page.
1,533 users
Page Edit
Make any webpage into a content editable document and modify it via toolbar popup!
1,525 users
HighlightAll
Automatically highlight and count all occurrences of a word by selecting it. Custom mode option provides multiple highlighting feature with customizable colors and can also display search markers beside the scrollbar.
1,515 users
The Tab Suspender
Suspends inactive tabs after a set time by replacing them with a custom suspended page.
1,511 users
CSS Reloader
CSS Reloader is an extension that allows you to reload all the CSS of any site without you have to reload the page itself.
1,488 users
