Convert pam to pnm Online: pam2pnm

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

Go to Tom's Editor

PAM

Portable Arbitrary Map is an image format with extension PAM.

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.