Convert sbig to png Online: sbig2png

You can use Tom's Editor to easily convert images from
SBIG CCDOPS .SBIG to Portable Network Graphics .PNG.
Tom's Editor is a free, online image manipulation and converter program.

Go to Tom's Editor

SBIG

SBIG CCDOPS is an image format with extension SBIG.

PNG

Portable Network Graphics is an image format with extension PNG.