Convert flif to pzl Online: flif2pzl
You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to Puzzle image from X11 .PZL.
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.
Puzzle image from X11 is an image format with extension PZL.