Black Screensaver Online
✓ 無料の真っ黒スクリーンセーバー、ワンタップで暗転
A completely black fullscreen page — no buttons, no text, no animation. Free, opens straight to black, no setup needed.
- Instant pure blackOpens to a full-screen, edge-to-edge black page with nothing else on it.
- Saves OLED batteryPure black pixels on OLED/AMOLED screens draw almost no power.
- Dims your screenHandy as a quick blackout for a dark room or to cut glare.
- Dead pixel checkA flat black background makes stuck or dead pixels easy to spot.