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Transforming an image online

Pixelate, resize, change format, reduce number of colors

Mona Lisa

Mona Lisa reduced to 27 colors

Preparation

Have the image file available in .JPG or .PNG format. Reduce image size to less than 48 megapixels.
Determine the number of large pixels on the height or width of the image. The number of large pixels on the other side is calculated automatically to maintain the shape (or ratio) of the image. On the side for which the number of large pixels is specified, the maximum is 400.

Online application

Image file in .JPG or .PNG format

Select the file to be transmitted:

Number of large pixels

on the height
on the width

Number of large pixels:

Size of a large pixel

A large pixel is defined by the number of small pixels on its side, for example 12×12. Within a large pixel, all the small pixels have the same color, so the dimensions of the image produced are fixed.

Number of small pixels on the side of a large pixel:
To avoid pixelation, enter 1

Initial color of large pixels

average square color
color of the central zone of the square (accentuation of colors and contrasts)

Generated image format

PNG (recommended)
JPG
SVG

Save the image received in return.

If an error message indicates that the input image is too large for the application, resize the image before sending it.

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