Prueba la nitidez de píxeles con un patrón de tablero de ajedrez a pantalla completa. Detecta píxeles borrosos. Herramienta gratuita.
Píxeles alternos blancos y negros prueban la nitidez, luminancia y respuesta de píxeles.
A checkerboard pattern is the most demanding test for pixel-level sharpness. Every single pixel must be distinctly black or white — if your display is running at a non-native resolution, using poor scaling, or has a faulty display cable, the checkerboard will immediately look blurry, moiré-patterned, or gray instead of crisp.
✅ Crisp, distinct black and white pixels — Your display is running at its native resolution with a good digital connection. Pixel-level rendering is working correctly.
⚠️ Pattern appears slightly gray or has moiré effects — Your display is likely running at a non-native resolution or is using display scaling. Check your OS display settings and ensure the resolution matches your monitor's native spec.
❌ Blurry, soft, or has colored artifacts — There may be a cable issue (try a different cable), your resolution is wrong, or there is a hardware defect. Check: 1) Display resolution, 2) Cable type/quality, 3) GPU output settings.
When viewed close-up, you should see perfectly alternating black and white squares at the pixel level. From normal viewing distance, the pattern should appear as a uniform medium gray — this means every pixel is rendering correctly and your resolution is native.
Instead of uniform gray, you see wavy, shimmering patterns or uneven brightness areas. This is called moiré and typically indicates your display is running at a non-native resolution, causing pixel interpolation.
The pattern looks soft, smeared, or has colored fringes (pink, green, or blue edges). This indicates a cable issue (analog VGA signal), incorrect resolution, or sub-pixel rendering problems.
Tus ojos mezclan los píxeles alternos a un gris promedio.
Sí. Los píxeles muertos son muy visibles.
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