Convert fts to flif Online: fts2flif

You can use Tom's Editor to easily convert images from
Flexible Image Transport System .FTS to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

FTS

Flexible Image Transport System is an image format with extension FTS.

FLIF

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