Convert flif to acs Online: flif2acs
You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to AtariTools-800 font .ACS.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
Free Lossless Image Format is an image format with extension FLIF.
AtariTools-800 font is an image format with extension ACS.