PNM to PBM Converter
Free online conversion from PNM file to PBM
Portable Any Map Image
Is a raster graphics file that can handle portable monochrome, grayscale, and color images.
Portable Bitmap Image File Format
Is a portable text-based image that contains only black and white; 1 for a black pixel and 0 for a white pixel.
Steps to Convert PNM to PBM
Drag and drop your PNM image file(s) into the blue box or click "choose a file" to select from your computer.
Review each file to check if it is indeed the one you want to convert. If not click the trash button and select a new one.
Click the convert button. Your file(s) will begin to upload and the status of the conversion process will be shown.
Once the conversion process is complete a list of your new PBM's will appear. Click the "download" link to save the file to your device.