PNM to PNG Converter

Select files for conversion or just drag and drop them to the upload area

How to convert PNM files to PNG online?

Step 1.

Upload PNM-file

Click "Choose File" button to select a pnm file on your computer. PNM file size can be up to 50 Mb.
Step 2.

Convert PNM to PNG

Click "Convert" button to start conversion.
Step 3.

Download your PNG

When the conversion process is complete, you can download the PNG file.

Information about PNM and PNG file formats

Name PNM PNG
Full name Portable Any Map Image PNG - Portable Network Graphics
File extension .pnm .png
MIME type image/x‑portable‑bitmap, image/x‑portable‑graymap, image/x‑portable‑pixmap, image/x‑portable‑anymap image/png
Developed by Jef Poskanzer PNG Development Group
Type of format Image lossless bitmap image format
Description A bitmap image in the Portable Any Map format that was originally developed for processing and storing several types of monochrome and color images without compression as well as grayscale images. Bitmap graphics data in a PNM file are stored using ASCII or binary structure. Portable Network Graphics (PNG) is a raster graphics file format that supports lossless data compression. PNG was created as an improved, non-patented replacement for Graphics Interchange Format (GIF), and is the most used lossless image compression format on the Internet. PNG itself does not support animation at all. MNG is an extension to PNG that does; it was designed by members of the PNG Group.
Technical details PNG supports palette-based images (with palettes of 24-bit RGB or 32-bit RGBA colors), grayscale images (with or without alpha channel), and full-color non-palette-based RGB[A] images (with or without alpha channel). PNG was designed for transferring images on the Internet, not for professional-quality print graphics, and therefore does not support non-RGB color spaces such as CMYK.
File conversion PNM conversion PNG conversion
Associated programs GIMP, ImageMagick, Newera Graphics Converter Pro, The MathWorks MATLAB, Wolfram Research Mathematica, XnView Adobe Photoshop, Paint Shop Pro, the GIMP, GraphicConverter, Helicon Filter, ImageMagick, Inkscape, IrfanView, Pixel image editor, Paint.NET, Xara Photo & Graphic Designer.
Wiki https://en.wikipedia.org/wiki/Netpbm_format https://en.wikipedia.org/wiki/Portable_Network_Graphics