Convert jpg to ptif Online: jpg2ptif
You can use Tom's Editor to easily convert images from
Joint Photographic Experts Group JFIF .JPG to Pyramid encoded TIFF .PTIF.
Tom's Editor is a free, online image manipulation and converter program.
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Joint Photographic Experts Group JFIF is an image format with extension JPG.
Pyramid encoded TIFF is an image format with extension PTIF.