📌 Quick Summary: An OLED pixel test displays solid colors on your screen to reveal dead, stuck, or malfunctioning pixels. Our free online tool works on OLED and AMOLED displays — no downloads, no signups.
OLED Pixel Test — Free & Online
OLED screens are more prone to pixel defects than LCD panels. Our OLED pixel test helps you identify dead pixels, stuck pixels, and other pixel-level issues quickly and easily.
What Our OLED Pixel Test Checks
- Dead pixels — Permanently black dots that never light up
- Stuck pixels — Pixels stuck on one color (red, green, blue, or white)
- Sub-pixel defects — Issues with individual red, green, or blue sub-pixels
- Uniformity issues — Uneven brightness or color across the screen
How to Run an OLED Pixel Test
- Clean your screen — Remove dust and fingerprints.
- Set brightness to maximum — For accurate testing.
- Click "Start Full Diagnosis" — The test runs in fullscreen mode.
- Inspect each color — White, black, red, green, and blue.
- Look for dots — Any pixel that doesn't match the background.
OLED vs LCD Pixel Defects
- OLED — More prone to burn-in and uneven aging
- LCD — More prone to backlight bleed and clouding
- Both — Can have dead or stuck pixels
Why Test Your OLED Screen?
- Expensive to replace — OLED screens are costly to repair
- Warranty limits — Most manufacturers won't cover 1-2 dead pixels
- Document defects — Take photos for warranty claims
- Early detection — Catch problems before they get worse