G4 to PNM Converter
Convert your g4 files to pnm online & free
How to convert g4 to pnm
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to pnm"
Choose pnm or any other format you need as a result (more than 200 formats supported)
Download your pnm
Let the file convert and you can download your pnm file right afterwards
Group 4 FAX
G4 is a method to compress black and white images without losing quality. It is used for fax machines and as a one of the compression types for the TIFF format. G4 treats a picture as black dots and lines on a white page (less file size will be achieved if there are less black dots and lines).
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.