Convert atk to webp Online: atk2webp

You can use Tom's Editor to easily convert images from
Andrew Toolkit raster object .ATK to WebP .WEBP.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

ATK

Andrew Toolkit raster object is an image format with extension ATK.

WEBP

WebP is an image format with extension WEBP.