Convert sct to pnm Online: sct2pnm

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

Go to Tom's Editor

SCT

SciTex is an image format with extension SCT.

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.