Locale Switcher
Lets you quickly switch the browser locale to test localization on your website.
1,889 users
Asciidoctor.js Live Preview
Render AsciiDoc (.ad, .adoc, .asciidoc) as HTML inside Firefox!
1,884 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.
1,880 users
Clear Site Cookies
Clear the cookies of the current website, with cookie preview and precise cookie selection.
1,864 users
Link Extractor
Modern Web Extension to extract, parse, and open links from any site or text with optional filters.
1,864 users
APK Downloader
APK Downloader Direct download apps of the Google apps store without using Google Play.
1,858 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.
1,829 users
Load Time
Adds an icon to the address bar to provide load time information of the current page.
1,803 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.
1,793 users
Remove Cookies Button
Toolbar button for removing cookies, local storage and session storage from the current tab. The button displays a number of deleted cookies (shown in the screenshot). In case of deletion problems button displays word "Error" and shows notification.
1,784 users
GreenIT-Analysis
GreenIT-Analysis : Measure EcoIndex(www.ecoindex.fr) and check ecometer best practice (www.ecometer.org)
1,781 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.
1,762 users
WP Theme Detector and Plugins Detector
Detects the theme and plugins used in WordPress and display information about them. For sites using wordpress an icon will appear - right hand side of the address bar.
1,745 users
View Page Source (Mobile)
Adds the ability to open the page source in a new tab via button (Desktop) or menu (Firefox for Android).
1,737 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.
1,727 users
tweak: mock and modify HTTP requests
tweak allows you to mock and modify HTTP requests without leaving the browser
1,706 users
Print PDF
Print any Webpage to PDF. No server or third-party processing. Uses built-in Firefox converter.
1,702 users
