With Filestar you get 162 different skills for working productively with JPEG 2000 Code Stream .(j2c) files.
JPEG 2000 Code Stream
Joint Photographic Experts Group
Bitmap image created using JPEG 2000 compression, which is similar to standard .JPG compression but uses a newer encoding standard that allows flexibility at the cost of computational complexity; can be viewed by most applications that support standard .JP2 files.