.PX File Extension

Image file saved by the Pixel image editor, a multi-platform image editing, photo retouching, graphics manipulation, and animation program; supports layers, paths, channels, masks, and selections; may also include adjustment and effects layer like a Photoshop (.PSD) document.

Pixel image files can be saved in RGB, CMYK, grayscale, and CIE Lab modes, as well as the HDR (High Dynamic Range) format with 32-bit precision.

The Pixel image editor was previously known as Pixel32.