Convert dc1 to png Online: dc12png

You can use Tom's Editor to easily convert images from
DuneGraph (compressed) .DC1 to Portable Network Graphics .PNG.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

DC1

DuneGraph (compressed) is an image format with extension DC1.

PNG

Portable Network Graphics is an image format with extension PNG.