WebP is an image file format developed by Google, primarily intended for use on web pages.
It can use either lossy or lossless compression. Its lossy compression is based on portions of the VP8 video compression format.
It uses the RIFF container format.
Files begin with bytes
'R' 'I' 'F' 'F' ?? ?? ?? ?? 'W' 'E' 'B' 'P'.