Using Aspose.Imaging for .NET library it is easy To convert To J2K(Wavelet Compressed Image) from other supported image formats...are supported : APNG to J2K BMP to J2K DIB to J2K DICOM to J2K...to J2K SVG to J2K SVGZ to J2K EPS to J2K CDR to J2K CMX to J2K...