Convert ptif to flif Online: ptif2flif

You can use Tom's Editor to easily convert images from
Pyramid encoded TIFF .PTIF to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

PTIF

Pyramid encoded TIFF is an image format with extension PTIF.

FLIF

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