LanguageCDU
CDU-Paint image format
File type: Graphics file
Files with cdu file extension are in most cases bitmap images in CDU Paint image format.
What is cdu file?
File type category:
Graphics file
Date updated: June 23, 2025
The cdu file extension is mainly related to the CDU-Paint, a picture image editing program for Commodore C64, an 8-bit computers, released in 1982.
The cdu file stores bitmap image (160x200, 16 colors).
Most likely some obsolete bitmap format.
How to open cdu file?
You can view these files using XnView.
How to convert cdu file?
Use XnView to export *.cdu files to other formats.
Suggested software to open cdu file:
Associated software actions with the cdu file
Programs for viewing cdu files:
XnView MP (Multiplatform)
RECOIL (Multiplatform)
Software apps that print cdu files:
XnView MP (Multiplatform)
RECOIL (Multiplatform)