Online PNM to GROUP4, you can put the PNM to GROUP4 format on your computer, tablet or mobile phone without downloading any software!
Step 1
Upload PNM file
Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2
Select 'GROUP4'
Select output GROUP4 or any other format as the conversion result (click the Convert button)
Step 3
Download your PNM file
After the conversion you can download your GROUP4 file and upload it to Google Drive, Dropbox.
pnm : Bitmap
The PNM file type is primarily associated with PBM Portable Any Map Graphic. A family of formats. The files are usually .PNM but can have the form .P?M with ? being any letter.