Convert webp to ithmb Online: webp2ithmb
You can use Tom's Editor to easily convert images from
WebP .WEBP to iPod Thumbnail
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
WebP is an image format with extension WEBP.
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.