Theme Switcher for Firefox
Provides an easy way to switch among your installed themes by adding a shortcut icon to the toolbar.
253 users
Chess.com Custom Themes, Boards - ChessHelper
2025 Setup new themes, pieces, fonts, and boards, remove annoying notifications, popups, and many more.
252 users
Dark View
Makes sites design dark. Night vision for all sites. You can change design mode in one click. Set up your own darkness level in addon settings. Better than color inverters.
252 users
You No Cards
Hide YouTube end cards, which are displayed at the end of YouTube videos with a single click.
251 users
Environment Marker
Use the Environment Marker extension and prevent screw-ups with the (programming) environments.
251 users
Simplified Twitter/X
Improve the Twitter/X experience by making the layout minimal: No trends column, no giant menu, no distracting elements. Focus on what matters: the content.
250 users
Dark Mode Ultimate
Switch website you want to dark mode. Dark mode will help devices save battery and reduces strain on your eyes.
250 users
Bluesky Color Palette Swapper
Customize Bluesky (bsky.app) by swapping its color palette. Create and share themes with an open‑source extension that runs directly on the site.
250 users
Reddit Sidebar Hider
This simple extension toggles the sidebar on Reddit to reclaim some space the sidebar wastes. To toggle the sidebar click the icon in the upper right corner. DOESN'T WORK WITH REDDIT REDESIGN. Source : https://github.com/kiddico/Reddit-Sidebar-Hider
249 users
Page Shadow
An extension for Chrome/Chromium, Firefox, Opera and Edge designed to render a web page more readable in a dark environment by decreasing page brightness or by increasing page contrast. This extension also have a night mode and others tools.
247 users
Local Image File Viewer
Next and previous buttons for viewing images in local file URLs to browse folders.
247 users
Video Aspect Ratio Resizer 🎥
Advanced video control with zoom and screen fitting that resizes the Aspect Ratio of the video to fit the screen or to your desired zoom %, so that you don't have the black bars on the side of the video and can get a cinematic experience.
246 users
StayFocused
Block distracting websites, track browsing time, and stay productive. Features daily time limits, lockdown mode, focus hour scheduling, in-app "feature" blocking, and Gen AI analytics.
245 users
Characters Counter
Find out how many characters there are in a selection by simply right-clicking it.
245 users
Super Twitter Auto Reresh
Auto Refresh Tweets : Only refresh tweets instead of the whole page, only refresh tweets when you at the top of page. New Tweets Button : Take you back to the top of page, and load new tweets.
244 users
Simple open html file button
Simple button to open html file. Allow you to open local HTML page file on Android. You can choose multiply files at once. Add the extension page to your "Bookmarks" menu to open the page more convenient.
243 users
