Free Online PNM to RGBO Converter

The PNM extension identifies files commonly known as Portable anymap. It stores visual information as pixels, graphics instructions, or specialized imaging data defined by the specification. Compatible applications can display, edit, process, export, and convert the content while preserving supported color and metadata information.

The RGBO extension identifies files commonly known as Raw red, green, blue, and opacity samples. It contains low-level pixel or channel data whose dimensions and sample layout may need to be supplied separately. Imaging and video tools use the expected color model and geometry to display, process, or convert the raw picture.