.JP2 - JPEG 2000 file format
.JPC - JPEG 2000 code stream

Features:

• Pixel formats: 8, 24, 32 bits/pixel (8-bits / component, and 1, 3 or 4 components). Grayscale, RGB, YCbCr, XYZ, Lab color spaces.
  
  
• Compression: Advanced wavelet compression.
  
  
• Transparency: Alpha plane.
  
  
• Defined by: JPEG Committee.
  
  

Supported by:

• Image Eye (read only).
• Any Image (read + write).