Convert flif to pl4 Online: flif2pl4
You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to PL4 .PL4.
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.
PL4 is an image format with extension PL4.