Convert sps to psd Online: sps2psd

You can use Tom's Editor to easily convert images from
Spectrum 512 (smooshed) .SPS to Adobe Photoshop .PSD.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

SPS

Spectrum 512 (smooshed) is an image format with extension SPS.

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.