Adjust YouTube video brightness with a native in-player control.
Users
1,000
0 in 30 days
Rating
4.4 / 5
+0.05 in 30 days
Ratings
14
+1 in 30 days
Store rank
#25K
#21K among extensions
Version
1.0.3
updated 17 Nov 2025
Users
monthly, 11 months
Latest, 15 Oct 2026:1,000 usersMove the mouse over the chart for any month
Ratings count
monthly, 11 months
Latest, 15 Oct 2026:14 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About YouTube Brightness Dimmer – Video Dark Mode
YouTube Brightness Dimmer is a simple and powerful Chrome extension that adds a brightness control directly inside the YouTube video player.
No need to change your screen settings—adjust the brightness per video, instantly, without leaving YouTube.
🔥 Key Features
Brightness button inside the YouTube player (next to the volume icon)
Native-looking slider, perfectly integrated with YouTube's UI
Minimal crescent-moon icon (Material-style)
Real-time brightness adjustment (CSS brightness filter applied live)
Fully compatible with Light Mode / Dark Mode
Works on all videos, full-screen and mini-player
Ultra-lightweight extension (under 25KB of code)
Designed to feel 100% native to YouTube
🎯 Why You Need This Extension
Reduce eye strain, especially in dark environments
Make YouTube more comfortable to watch at night
Lower brightness without affecting your entire screen
Gain precise control over the visual comfort of each video
Perfect for users sensitive to bright screens or white backgrounds
🛠️ How It Works
Install the extension
Open YouTube
A new brightness moon icon appears on the right side of the player
Click to open the slider
Adjust brightness instantly — it updates live
🔒 Privacy & Safety
No tracking
No analytics
No data collection
All settings are stored locally in your browser