Up & Coming Extensions
Switch youtube to dark mode. Dark mode will help devices save battery and useful for your sleeping. This dark mode is supported by https://www.emojionline.org
NOTE: Development for this addon has stopped. I recommend checking out Topick instead.
Keeps a Firefox window on top of other windows
Add-on Update Checker Requires Restart
Adds Tools menu item to check Add-ons for updates. Includes toolbar icon.
Plugin Safety as a Shield Study
Modify Headers Requires Restart
Add, modify and filter the HTTP request headers sent to web servers. This addon is particularly useful for Mobile web development, HTTP testing and privacy.
Traditional and Simplified Chinese Converter
The best way to see the weather right in your browser. Easier than looking outside!
Stops pages from loading indefinitely.
Small Nav Bar Requires Restart
Small Nav Bar will resize the navigation bar, so you can gain a little extra space. Mini nav bar. Compact back/forward button.
Allows you to specify the time to restart browser.
Best VPN addon for Firefox.
BP Proxy Manager Requires Restart
Change your proxies with a single click. Automatically clears the cache and the cookies before changing the proxy.
Clean up the mess and quit! Adds a CleanQuit button to firefox in order to clean up history and quit!
Port of the CleanQuit mobile version!
CryptoFox Requires Restart
CryptoFox is an encryption/decryption tool for Mozilla Firefox, with dictionary attack support for cracking MD5 passwords.
Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)
kiosk-costaisa Requires Restart
RKiosk (Real Kiosk), fullscreen kiosk mode: all menus, keys etc. disabled
External Application Buttons 2 Requires Restart
Lightweight add-on to create toolbar buttons that launch various external applications.