Black Screen Online — One-Tap Pure Black Display

✓ Free one-click black screen, protect your eyes

Turn your screen pitch black instantly and prevent device sleep. No app needed — runs in any browser.

• 🖤 Instant Black Screen — Tap once to go pure black — no configuration needed.
• 🔒 Prevent Device Sleep — Uses Screen Wake Lock API to keep your screen on while black.
• 📱 Mobile & Desktop — Works great on phones, tablets, and computers with touch or click.
• 🖥️ Fullscreen Mode — Automatically enters fullscreen for a completely dark experience.

Full guide, how-to & FAQ →

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