Convert pam to psd Online: pam2psd

You can use Tom's Editor to easily convert images from
Portable Arbitrary Map .PAM to Adobe Photoshop .PSD.
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.

PSD

PSD is in internal image format of Adobe Photoshop. It can store all the features offered by Photoshop, like layers and paths. Images can be compressed or not.