Black Screen Online | ScreenBlack
screenblack.site
LaunchIndex first observed Black Screen Online | ScreenBlack (screenblack.site) live on 22 August 2026. View its launch screenshot, category, and verification evidence.
A launch record built from evidence.
Black Screen Online | ScreenBlack (screenblack.site) was first observed live on 22 August 2026.
ScreenBlack provides a free online fullscreen black screen tool with brightness controls and a timer for display testing, OLED checks, and screen cleaning.
Its profile is classified as Developer tool within Technology / Developer tools.
What the launch signal contained.
- First observed live
- Previous state
- No prior non-live observation
- Last verified
- Canonical host
- screenblack.site
- Category
- Technology / Developer tools
- Website type
- Developer tool
- Observed title
- Black Screen Online | ScreenBlack
- Observed description
- ScreenBlack is a clean online black screen and display testing tool with fullscreen, color, brightness and timer controls.
- Detected technologies
- None detected
- Screenshot captured
- Evidence source
- Browser observation · Local
- Evidence confidence
- 93%
- HTTP status
- 200
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