Step by step
- Open this page on the phone, tablet, or laptop you want to keep dark.
- Tick Keep the screen on if you want the display to stay awake in supported browsers like recent Chrome, Edge, or Safari.
- Press Full screen or tap the black area to fill the entire display.
- Lower your device brightness if you are using an LCD screen, since its backlight stays on.
- Double-click, double-tap, or press Esc in the morning to exit.
At a glance
| Screen type | Light at night | Battery impact |
|---|---|---|
| OLED / AMOLED phone | Pixels turn off, nearly zero light | Very low power use |
| LCD laptop or monitor | Backlight stays on, dim glow | Small power saving |
| With audio playing | Audio continues normally | Depends on screen type |
Related questions
Does a black screen for sleep have any sound or ads?
No. The black screen tool here is completely silent and has no video ads or pop-ups that could wake you up.
Will my phone screen turn off by itself?
If you tick Keep the screen on, recent Chrome, Edge, and Safari browsers keep the display awake while full screen is active.
Can I use a black screen while listening to music or podcasts?
Yes. Audio from other apps or browser tabs keeps playing normally while the black screen stays open.
Why is there still a faint glow on my laptop?
Most laptops use LCD screens where the backlight remains lit even when displaying black. Lowering the brightness slider reduces the glow.
More questions: black screen
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- What Is the Black Screen of Death and Can It Be Fixed?
- How to Put a Black Screen on Windows, Mac, or Laptop
- How to Use a Black Screen for Cleaning Your Monitor or Phone
- How to Use a Black Screen for OLED, Light Bleed & Dead Pixel Tests
Updated November 14, 2026.