Solid full-screen colors to reveal ghosting · Pixel-refresher to reduce burn-in · Auto-cycle. Set brightness to maximum. No download.
This tool fills your screen with solid colors so that burn-in and image retention become visible, and includes a pixel-refresher that cycles RGB noise to help reduce mild ghosting. It works on phones, tablets, smartwatches, monitors, and OLED TVs. Inspecting for burn-in is one of the most important checks when buying a used OLED or AMOLED device.
Set your device brightness to maximum, tap Fullscreen Test, and cycle through the solid colors. Burn-in shows as a permanent ghost of whatever was on screen for long stretches — a navigation bar, status icons, a keyboard, or a logo — that stays faintly visible on every color, with the gray and white screens revealing it most clearly. If you find mild burn-in or temporary retention, run the Burn-in Fixer fullscreen for 30–60 minutes; it cannot remove severe, permanent damage but gives the best non-destructive attempt at fading ghosting.
A faint, fixed ghost of something that was shown for a long time — the navigation bar, status icons, a keyboard outline, or a channel logo — that stays visible across every solid color. Gray and white backgrounds reveal it most clearly.
Image retention is temporary and clears on its own or with the fixer. True burn-in is permanent OLED wear. If the ghost fades after running the fixer, it was retention; if it stays, it is burn-in.
It flashes fast RGB noise so every sub-pixel changes color constantly, evening out wear. Run it fullscreen at max brightness for 30–60 minutes. It helps with retention and mild burn-in, not severe cases.
Always run this test before paying. Check the status-bar and navigation-bar areas especially — they burn in first. Any visible ghost is permanent and should lower the price or be a deal-breaker.
Higher brightness makes faint ghosting and uneven sub-pixel wear far easier to see against the solid backgrounds, and it makes the fixer more effective at exercising the pixels. Browsers cannot change brightness for you, so set it manually before testing.
No. Temporary image retention can be cleared, and very mild, recent burn-in may fade, but established burn-in is permanent physical degradation of the OLED material. The fixer gives the best non-destructive attempt, but a screen replacement is the only true fix for severe cases.
Yes. Open the page in the device's browser or cast it to the screen, go fullscreen, and cycle the colors to inspect. Many OLED TVs also have a built-in "pixel refresher" in their settings menu, which is worth running alongside this tool.
Open this page on the device, set brightness to maximum, and tap Fullscreen Test. Cycle through solid gray, white, red, green, and blue. Look for any faint shape — usually the navigation bar, status bar, keyboard, or a frequently used app's layout — that stays visible across colors. That shape is burn-in. This is essential when buying a used OLED/AMOLED phone.
OLED and AMOLED displays — most modern flagship phones, smartwatches, and many OLED TVs — are susceptible because each pixel emits its own light and wears over time. LCD/IPS screens (most budget phones, laptops, monitors) almost never get true burn-in but can show temporary image retention that clears quickly.
Lower your screen brightness, use a shorter screen-timeout, enable dark mode, turn on auto-hide for the navigation bar, and avoid leaving static images (maps, games with fixed HUDs, channel logos) on screen at full brightness for hours. Many phones also have a built-in pixel-shift feature that helps.