Convert sps to flif Online: sps2flif

You can use Tom's Editor to easily convert images from
Spectrum 512 (smooshed) .SPS to Free Lossless Image Format .FLIF.
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.

FLIF

Free Lossless Image Format is an image format with extension FLIF.