LanguageJ2K
JPEG2000 code stream image
File type: Bitmap image file
File with j2k file extension can be usually found as pictures saved in the JPEG2000 code stream image format.
What is j2k file?
File type category:
Bitmap image file
Date updated: June 23, 2025
File extension j2k is associated with the JPEG2000 code stream image file format.
JPEG 2000 (JP2) is an image compression standard and coding system introduced by Joint Photographic Experts Group committee in 2000.
See also jpc file extension record in our database.
How to open j2k file?
Use Nero PhotoSnapm XnView to view content of the .j2k file.
How to convert j2k file?
It should be possible to convert .j2k images to other graphics formats, provided you will use a converter or graphics editor with support of J2K format.
Suggested software to open j2k file:
Associated software actions with the j2k file
Software applications that can open j2k files:
Affinity Photo (Multiplatform)
Programs for viewing j2k files:
FastPictureViewer Professional (Microsoft Windows)
XnView MP (Multiplatform)
Software apps that convert j2k files:
Picture Resize Free Online Images Converter (On-line services)
Software apps that import j2k files:
Xara Page & Layout Designer (Microsoft Windows)
Affinity Photo (Multiplatform)
Software apps that export j2k files:
Xara Page & Layout Designer (Microsoft Windows)
Software apps that print j2k files:
XnView MP (Multiplatform)
Software applications that handle other tasks involving j2k files:
FastPictureViewer Professional (Microsoft Windows)