FITS Preview 2.4

View images in FITS format introduced by NASA and HEASARC.

FITS Preview is a lightweight and fast viewer for images in FITS format (Flexible Image Transport System) introduced by NASA and HEASARC.

The viewer is based on CFITSIO library and supports all standard monochromatic and color FITS image formats. The viewer can flip, rotate, debayer image (automatically if offsets fields in header are set correctly) and export images to JPEG format.