Convert JP2 to PNM

JP2 stands for JPEG 2000, developed by the Joint Photographic Experts Group. It's a file format designed for high-quality image compression, supporting both lossy and lossless compression. Introduced in the year 2000, JP2 offers superior image quality and efficient storage over the standard JPEG format, making it suitable for medical imaging, digital cinema, and archives requiring high-fidelity imagery. Its advanced features include better handling of color, metadata, and progressive decoding, ensuring it remains a vital tool in professional and technical applications.

The PNM (Portable Anymap) file extension, developed by Jef Poskanzer in the 1980s, stands for Portable Any Map. It is an uncompressed raster graphics format designed for portable image storage and exchange, encompassing three sub-formats: PBM (Portable Bitmap), PGM (Portable Graymap), and PPM (Portable Pixmap). PNM files store image data in plain text or binary format, ensuring easy usage across different platforms and applications. This format is widely supported by various image editing software and is valued for its simplicity and lossless compression.