Tom's Editor BLOG

Convert hdiff to pnm Online: hdiff2pnm

You can use Tom's Editor to easily convert images from
Horizontal difference image .HDIFF to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.

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Horizontal difference image is an image format with extension HDIFF.


PNM images are uncompressed 24 bit RGB images. Can cannot store Alpha channel. PNM images come in 2 types: binary and text. Especially popular on Linux.