Tom's Editor BLOG

Convert 4bt to pnm Online: 4bt2pnm

You can use Tom's Editor to easily convert images from
GoDot .4BT to Portable aNy Map .PNM.
Tom's Editor is a free, online image manipulation and converter program.

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4BT

GoDot is an image format with extension 4BT.

PNM

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.