User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
90,096 users
Toggle Image Animations
Disables or enables the animation of images (GIF, APNG, WebP, AVIF).
1,756 users
Navigate Up WE
Navigate up one or more URL levels, using the toolbar button, context menu or keyboard shortcut.
574 users
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
122,836 users
Language Switch
Allows to change the language identifier sent to webservers to whatever language you need.
3,945 users
Image Block X
Image Block X gives you a simple button to change whether or not to load images. Click it once to stop Firefox from loading images, and click it again to allow images again. It's that simple!
1,464 users
Disable JavaScript
Adds the ability to disable JavaScript for specific sites or specific tabs. You can customize the default JS state (on or off), the disable behavior (by domain or by tab) and much more.
33,938 users
Toggle Referrer (with optional spoofing feature)
Disables or enables sending of the referrer. An optional spoofing feature sends spoofed referrers to problematic servers.
293 users
Toggle Website Colors (Tab)
Adds a checkbox to the page context menu to toggle colors, set by the website author.
282 users
Undo Close Tab
Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.
43,826 users
