Convert fits to flif Online: fits2flif

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

Go to Tom's Editor

FITS

Flexible Image Transport System is an image format with extension FITS.

FLIF

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