Black Screen
Turn any display into a fullscreen color
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Free browser-based fullscreen black and color screens for dead-pixel checks, monitor testing, OLED displays, reducing unwanted screen light and distraction-free use. No signup or installation required
PH · launched Sep 11, 2026 · 1 upvote (top 69%) · 0 views
Niche: desktop and display utilities · 171 launches, 6 in the last 7 days ▼ -75% · Explore this niche →
Category and tags
- Horizontal
- Dev tools
- Prosumer
- Not AI
- Hobby / open-source project
- Productivity
Visit website ↗ Source listing ↗
More like this: all 171 launches in desktop and display utilities →
Could you build this?
Yes A web app that presents full-screen color backgrounds for screen testing is trivial HTML/CSS and the browser Fullscreen API.
Competitors
Other products that read as similar to this one : 307 launches clear the similarity bar, closest 8 shown.
Attention rank: #241 of 308 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 313 days after the earliest competitor.
- Display Inspect · ph · 2026-09-24 · 2 upvotes · similarity 0.65
- Dead Pixel Test · ph · 2026-10-05 · 1 upvotes · similarity 0.64
- Screentest · ph · 2026-10-03 · 1 upvotes · similarity 0.62
- ScreenDock · ph · 2026-09-27 · 1 upvotes · similarity 0.58
- MonitorTester · ph · 2026-09-12 · 1 upvotes · similarity 0.57
- Breeze-Dark-OLED · github · 2026-09-20 · 8 upvotes · similarity 0.55
- Black Pixel Replacer · ph · 2026-09-15 · 2 upvotes · similarity 0.49
- Native Color Picker · ph · 2026-11-13 · 1 upvotes · similarity 0.47
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.