ScreenBlack
free browser-based display testing tools. no installs
ScreenBlack launched on September 2, 2026 with 1 votes, #3,900 of 8,094 launches that month.
What it does
Free display-testing tools that run entirely in the browser — nothing to install. Tools: black screen test · dead pixel checker · backlight bleed test · contrast test · screen uniformity · gradient banding · OLED black screen · black image download Try it: https://screenblack.site Works on monitors, laptops, phones, tablets and TVs. Built for people checking a new panel before the return window closes.
Does a similar job
all alternatives →
White Screen TesterJun 2026 · whitescreenstester.com · ▲2Test your screen for dead pixels and display issues
ScreenTestToolJul 2026 · screentesttool.com · ▲2The ultimate online screen test & display diagnostics hub
Dead Pixel TestJun 2026 · deadpixel-test.online · ▲3Free online dead pixel test – check any screen in 30 seconds
More work this month
the category →
Endless lofi beats composed live in your browser, over pixel-art nights in Paris, Tokyo, New York, Hong Kong, Sydney, San Francisco and more. Free, no sign-up.
Work · 25d ago · loficities.com
Smooth Recorder▲257Mac screen recordings that look edited when you hit stop
Work · 19d ago · smoothrecorder.com
Work · 13d ago · readrare.com
Source: Product Hunt launch ↗
Launched alongside, September 2026
the whole month →
E-ink bird frame for Raspberry Pi - real-time bird detection by audio, fully local AI, rendered as real, hand-cut 1800s bird illustrations. - arnegiacomo/fugleramme
AI · Sep 2026 · github.com
- WI
Special relativity simulator in which light crawls along at a human speed, so Lorentz contraction, aberration and Doppler shift happen at walking pace.
Life & fun · Sep 2026 · rivendell.dmitrybrant.com
Start coding agents, control sessions, review PRs. Anywhere.
Dev tools · Sep 2026 · kilo.ai
