Convert flif to j2k Online: flif2j2k
You can use Tom's Editor to easily convert images from
Free Lossless Image Format .FLIF to JPEG-2000 Code Stream Syntax .J2K.
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.
JPEG-2000 Code Stream Syntax is an image format with extension J2K.