Convert flif to pgx Online: flif2pgx
You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to PGX of JPEG 2000 .PGX.
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.
PGX of JPEG 2000 is an image format with extension PGX.