CtrlBright for Chrome v2026.5.23 — Now Available

Control Your Chrome Browser Brightness Instantly

Reduce eye strain and boost productivity with CtrlBright Chrome extension. Adjust webpage brightness with custom colored overlays, schedule automatic day/night modes, and enjoy keyboard shortcuts—all without slowing down your browser.

Add to Chrome Free Learn More

Free Forever

2 Modes Standard + Schedule

0% CPU Impact

CtrlBright Chrome Extension

Select Mode

Standard

Schedule

Brightness Level 62%

Overlay Color

Shortcuts: Ctrl+↑ Increase • Ctrl+↓ Decrease • Alt+Q Toggle

Chrome Extension Benefits

Everything You Need for Perfect Browser Brightness

Control webpage brightness with precision. Reduce eye strain, improve productivity, and customize your browsing experience with CtrlBright's powerful Chrome extension.

Real-Time Brightness Adjustment

Adjust webpage brightness instantly with a smooth slider. Perfect for browsing in different lighting conditions—dim for nighttime, brighten for outdoor reading.

Custom Overlay Colors

Choose from multiple overlay colors or pick your own. Warm amber tones for night browsing, cool blue for daytime—customize to match your preference.

Smart Day & Night Scheduling

Auto-adjust brightness based on time of day. Set custom day mode (e.g., 6:30-11:30) and night mode (e.g., 19:30-4:30) for automatic eye care.

Lightning-Fast Keyboard Shortcuts

Control brightness without touching the mouse. Use Ctrl+↑ to increase, Ctrl+↓ to decrease, and Alt+Q to toggle—instant brightness control.

Mode Change Notifications

Get instant notifications when CtrlBright switches between day, night, or standard modes. Stay informed about your brightness settings.

100% Capture Safe

Your brightness overlay stays invisible in screenshots and screen recordings. Share videos without showing your dim overlay to others.

See how it works

Two Powerful Modes

Choose Your Brightness Control Style

CtrlBright offers Standard and Scheduling modes—pick what works best for your workflow.

Standard Mode

Full manual control whenever you need it. Adjust brightness on-demand using the popup or keyboard shortcuts. Perfect for users who want flexibility and control at their fingertips.

Manual brightness control anytime
Keyboard shortcuts for quick access
Choose any overlay color
Persistent settings across sessions

Scheduling Mode

Set it and forget it. CtrlBright automatically adjusts brightness based on your schedule. Wake up to day mode, seamlessly transition to night mode—all hands-free.

Auto day mode scheduling (e.g., 6:30–11:30)
Auto night mode scheduling (e.g., 19:30–4:30)
Automatic brightness switching
Real-time mode change notifications

Get Started in 3 Steps

Install & Start Controlling Browser Brightness

Simple setup. No configuration needed. CtrlBright works right out of the box.

Add to Chrome

Click "Add to Chrome" on the Chrome Web Store. The extension installs instantly—no dependencies or permissions needed.

Configure Settings

Open the popup and choose your mode (Standard or Schedule), set overlay color, and enable day/night scheduling if desired. Done!

Control & Enjoy

Use keyboard shortcuts (Ctrl+↑/↓) or the popup to adjust brightness. Auto-switching handles the rest in Scheduling mode.

Why CtrlBright Chrome

The Smarter Way to Browse

Tired of squinting at bright screens? Struggling with eye strain during long browsing sessions? CtrlBright Chrome extension solves brightness problems instantly and automatically.

Zero CPU Impact Runs efficiently in the background without slowing your browser or consuming resources.
Eye Care & Health Reduce blue light and eye strain with automatic day/night mode switching.
Privacy-First Design No tracking, no data collection. CtrlBright works entirely on your device.
User-Centric Intuitive controls, detailed settings, and smart defaults for every user type.

Perfect for Chrome Users

✓ Content creators reducing eye strain during long editing sessions
✓ Night workers needing automatic dim mode after sunset
✓ Students studying late with customizable schedules
✓ Remote workers managing brightness across meetings and tasks
✓ Anyone who values eye health and browser customization

Quick Controls

Control Brightness Without Lifting Your Hands

CtrlBright's keyboard shortcuts let you adjust brightness instantly while typing, coding, or browsing. No need to reach for the mouse.

Ctrl + ↑

Increase Brightness

Boost brightness level instantly

Ctrl + ↓

Decrease Brightness

Dim the screen to your preference

Alt + Q

Toggle CtrlBright

Turn the extension on/off instantly

Available Shortcuts

Keyboard Shortcuts Available

Activation Delay

FAQ

Common Questions About CtrlBright Chrome

Everything you need to know about our Chrome extension.

Yes! CtrlBright is completely free to download and use from the Chrome Web Store. There are no premium tiers, no ads, and no hidden costs. Control your browser brightness forever at no charge.

No. CtrlBright uses virtually zero CPU and has minimal memory footprint. The extension runs passively in the background and only activates when you adjust brightness or switch modes. Your browser stays fast.

No. Standard and Scheduling are two separate modes. In Standard mode, you control brightness manually. In Scheduling mode, brightness auto-adjusts based on your configured times. Choose the mode that fits your workflow.

CtrlBright stores settings locally on your device. If you use Chrome sync, your extension settings will carry over to other devices where you're signed in to the same Chrome account.

No. CtrlBright is privacy-first. We don't track, collect, or share any user data. All brightness settings and scheduling preferences stay on your device. Your data is yours alone.

CtrlBright works on almost all websites. The overlay applies globally to all webpages while the extension is active. Some Chrome system pages may not support extensions, but your regular browsing is fully covered.