The File Extensions Database

.J2C File Extension

  • Developer by: Joint Photographic Experts Group
  • Category: Raster Image Files
  • Format: Binary

What is an .J2C file?

.J2C is JPEG 2000 Code Stream

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.

JPEG 2000 code stream files also use the .JPC file extension.

Programs that open JPEG 2000 Code Stream
Corel PaintShop Pro 2019
ACD Systems Canvas X 2019
Adobe Photoshop CC 2019
Adobe Photoshop Elements 2019
Adobe Illustrator CC 2019
Newera Graphics Converter Pro
Adobe Photoshop CC 2019
Adobe Photoshop Elements 2019
Adobe Illustrator CC 2019

How to solve problems with J2C files

  • Associate the J2C file extension with the correct application. On :
    Windows: Right click on any J2C file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.J2C files". Mac: Right click (or Ctrl-click) the J2C file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .J2C is JPEG 2000 Code Stream. Because only the current version supports the latest J2C file format. Search, therefore, e.g. on the Joint Photographic Experts Group manufacturer website after an available .J2C is JPEG 2000 Code Stream update.
  • To make sure that your J2C file is not corrupted or virus-infected, get the file again and scan it with antivirus software.