Terms of Service

Last updated: March 19, 2026

1. Acceptance of terms

By accessing and using FITS Viewer ("the Service"), you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use the Service.

2. Description of service

FITS Viewer is a free, browser-based tool for opening, viewing, and analyzing astronomical FITS image files. All processing is performed locally in your browser.

3. Use of service

The Service is provided free of charge for personal, educational, and commercial use. You may use the Service to view and analyze FITS files of any type and size that your browser can handle.

4. Disclaimer of warranties

The Service is provided "as is" and "as available" without any warranties of any kind, either express or implied. We do not guarantee that the Service will be uninterrupted, error-free, or suitable for any particular purpose.

5. Limitation of liability

In no event shall the creators or operators of FITS Viewer be liable for any damages arising from the use of the Service, including but not limited to direct, indirect, incidental, or consequential damages.

6. Data and privacy

Your FITS files are processed entirely within your browser. No files or data are transmitted to our servers. See our Privacy Policy for more details.

7. Changes to terms

We reserve the right to modify these Terms of Service at any time. Changes will be effective upon posting to this page.

8. Contact

If you have questions about these terms, please contact us through the website.