Convert pgx to flif Online: pgx2flif
You can use Tom's Editor to easily convert images from
PGX of JPEG 2000 .PGX to Free Lossless Image Format .FLIF.
Tom's Editor is a free, online image manipulation and converter program.
Go to Tom's Editor
PGX of JPEG 2000 is an image format with extension PGX.
Free Lossless Image Format is an image format with extension FLIF.