Free online screen tests and troubleshooting guides. No downloads required.
Free Online Screen Test Tool – Instantly diagnose dead pixels, lines, color issues, and flickering. Multiple test modes, no download needed.
Screen Issues is a free online resource for identifying, understanding, and troubleshooting display defects on monitors, laptops, phones, and tablets. The interactive Screen Test tool runs full-screen solid colors in the browser β no download β so you can spot dead pixels, stuck pixels, bright spots, black spots, backlight bleed, and color uniformity issues in seconds.
Pricing: Free. Launch date: 2026-04-21. Founder: Feng Zeng. Twitter: @xiaofengzi941. LinkedIn: https://www.linkedin.com/in/–b98a8b404/
Logo: https://www.screenissues.com/android-chrome-512×512.png
Screenshot: https://www.screenissues.com/img/media/screen-test-website-first.png
