Convert ithmb to flif Online: ithmb2flif
You can use Tom's Editor to easily convert images from
.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 are thumbnails used by various Apple devices. At first these images were used by iPhods but now can be found on iPhones and iPads.
Free Lossless Image Format is an image format with extension FLIF.