Convert atk to flif Online: atk2flif
You can use Tom's Editor to easily convert images from
Andrew Toolkit raster object .ATK to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Andrew Toolkit raster object is an image format with extension ATK.
Free Lossless Image Format is an image format with extension FLIF.