Pixelate an Image Online
Turn a face or sensitive area into a block mosaic — adjustable block size, free, and right in your browser.
Suelta una imagen para difuminar
Arrastra y suelta, pega o elige un archivo
PNG · JPG · WebP · GIF · BMP — procesado en tu dispositivo
Why pixelate instead of blur?
Pixelating replaces an area with large mosaic blocks, each block one flat colour. It's the classic 'censored' look you see on TV and in news photos. Compared with a blur, a pixelated area reads more clearly as deliberately hidden — useful when you want it to be obvious that something was removed.
You control the block size with a slider: bigger blocks hide more detail. Pixelate the whole image, or drag a box over just a face, a plate, or a logo. Each block is the average colour of the pixels beneath it, so the result blends naturally with the surrounding image.
How to pixelate an image
- Open your image. Drag it onto the tool, choose a file, or paste it.
- Select the area. Choose Selected areas and drag a box over each part to censor, or use Whole image.
- Set the block size. Slide the block size up until the detail is gone, then download.
Bigger blocks hide more
Small blocks can leave faces or text partly legible. For anything sensitive, increase the block size until you can't make out the underlying detail — or use Redact for a guaranteed solid cover.
Cómo funciona pixelate image
- Qué hace
- Pixelado en mosaico (promedio de bloques)
- Cómo lo hace la herramienta
- La herramienta divide el área seleccionada en una cuadrícula de bloques cuadrados y rellena cada bloque con el único color promedio de los píxeles que tiene debajo —el clásico mosaico 'censurado'— con un tamaño de bloque que controlas desde un control deslizante (mínimo 2 px).
- Para qué sirve
- El pixelado se lee claramente como una censura deliberada, por lo que es la opción conocida para censurar al estilo de las noticias una cara, una matrícula o un logotipo cuando quieres que sea evidente que algo se ocultó.
- ¿Se puede revertir?
- Cada bloque es un promedio de píxeles reales, así que los bloques pequeños pueden dejar una cara o un texto parcialmente legibles y en ocasiones se han reconstruido: agranda los bloques hasta que no quede ninguna estructura.
Consejo: Aumenta el tamaño de bloque hasta que la forma de debajo se disuelva por completo; una cara oculta tras unos pocos bloques grandes es mucho más segura que una tras muchos bloques pequeños.
More ways to blur & hide
Preguntas frecuentes
What does pixelating do?
It divides the selected area into a grid of large blocks and fills each one with the average colour beneath it, creating a mosaic that hides fine detail.
Is pixelating safer than blurring?
With large enough blocks it hides detail well, but like blur it can occasionally be partly reversed at light settings. For true secrecy, use the Redact (solid bar) mode.
Can I pixelate only a face?
Yes. Choose Selected areas and drag a box over the face; only that region becomes a mosaic. Add more boxes for more faces.
Where is my image processed?
The blurring happens in your browser, so the new file is created on your own device. How any data associated with the tool is handled is described in our privacy policy.
Más herramientas de imagen
Crop an image
Crop to any ratio or an exact pixel size.
Image toolResize an image
Change dimensions to exact pixels or presets.
Image toolCompress an image
Shrink file size without visible quality loss.
Image toolRotate an image
Rotate 90°, flip, or straighten a tilted photo.
Image toolConvert image format
PNG, JPG and WebP — convert any to any.