A tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox
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Updated
Apr 8, 2026 - JavaScript
A tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox
userChromeJS / autoconfig.js and extensions
The ultimate theme manager for Firefox-based browsers.
A collection site of Firefox userchrome themes, mostly from FirefoxCSS Reddit community.
Customizations for Firefox. You can add extra functions using the CSS and JS files here.
A dark indigo CSS theme for Firefox and a large collection of privileged scripts to add new buttons, menus, behaviors and other opinionated features. The theme is similar to other userChrome stylesheets, but it's intended for use with an autoconfig loader like fx-autoconfig, since it uses JavaScript to implement its more functional features.
🦊 Awesome Firefox
Shortcuts to settings in about:config (universal), through a button on toolbar. Firefox userChrome script 🛠️
A Internet Explorer 5 theme for Mozilla Firefox.
Show CPU & memory bar, per tab and all tasks. Firefox userChrome script. 🛠️📊
Firefox userChrome.js scripts: Multi Tab Rows, History Submenus II, Page Title in URL Bar, and more...
Custom tweaks and preferences for Firefox
A minimalist animated oneliner theme for Firefox perfectly matching real Dark.
Switch for Firefox's native sidebar. A slim vertical button on left of main content. Replace the legacy addon All in One Sidebar. You can open sidebar by clicking edge of screen. 🪟
🦊 linux firefox profiles with security presets & userchrome styles
Use external downloader directly from Firefox's native download asking dialog (Use on your own risk !!)
My FireFox Tweaks
Firefox tabbar at bottom of window, userchrome script 🪟
🦊 Firefox user.js – based on arkenfox/user.js with additional UI fixes.
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