Convert flif to fs Online: flif2fs
You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to Usenix FaceSaver file .FS.
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.
Usenix FaceSaver file is an image format with extension FS.