Convert flif to atr Online: flif2atr

You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to Attributes .ATR.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

FLIF

Free Lossless Image Format is an image format with extension FLIF.

ATR

Attributes is an image format with extension ATR.