Convert ithmb to flif Online: ithmb2flif

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

Go to Tom's Editor

ITHMB

ITHMB are thumbnails used by various Apple devices. At first these images were used by iPhods but now can be found on iPhones and iPads.

FLIF

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