FITS File Extension

Have a problem opening a .FITS file? We collect information about file formats and can explain what FITS files are. Additionally we recommend software suitable for opening or converting such files.

What is the .FITS file type?

Flexible Image Transport System.

Free Editor association.

Free Viewer association.

Open Freely association.

Free Opener association.

Software to open or convert FITS files

You can open FITS files with the following programs: 

Popular Formats

Video Tutorials