Convert j2c to pdf Online: j2c2pdf
You can use Tom's Editor to easily convert images from
JPEG-2000 Code Stream Syntax .J2C to Portable Document Format .PDF.
Tom's Editor is a free, online image manipulation and converter program.
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JPEG-2000 Code Stream Syntax is an image format with extension J2C.
Adobe PDF format is the most popular document format. Overcomplicated. Offers compression.