A daily updated filename extension database!

J2K file extension

The table below provides useful information about the .j2k file extension. It answers questions such as:

  • What is the .j2k file?
  • What program do I need to open a .j2k file?
  • How can the .j2k file be opened, edited or printed?
  • How can I convert .j2k files to another format?

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

✅ JPEG 2000 Code-stream Data

JPC file is a JPEG 2000 Code-stream Data. JPEG 2000 is a wavelet-based image compression standard. It was created by the Joint Photographic Experts Group (JPEG).
Category: Graphic files
Application: XnView
Mime-type: image/jpc
Magic number: -
Magic string: -
Sample: -
JPC aliases:
j2c, j2k
JPC related links:
JPC related extensions:
Art Image

AT&T Group 4 Bitmap Image

Windows Bitmap Image

CALS Compressed Bitmap

CorelDraw Drawing

Computer Graphics Metafile

Corel Photo-Paint Image

Windows Custom Cursor

Dr. Halo Bitmap Image

Micrografx Designer Drawing

Other types of files may also use the .j2k file extension.

🔄 .j2k converters

The following softwares are capable of converting .j2k files to other formats:

XnView, IrfanView

For example, using the softwares above, a .j2k file can be converted into one of the following formats:

pps, vob, ldf, prt, avs, skp, srf, gif, plt, ppm, lbm, fit, pd, emz, cmx

🚫 The .j2k file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

j2, j2l, j2m, jwk, m2k

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Gargoyle Story Document
Jazz Jackrabbit 2 Level Data
Jazz Jackrabbit 2 Macro
JSON Web Key
MAXQDA 1 Project

🔴 Can't open a .j2k file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .j2k file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .j2k file extension, write to us!

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