Sample FTS Files

Download free sample FTS files for testing — FITS Image.

How to use

  1. Browse the list of sample FTS files below.
  2. Click "Download" to get the file from an external source.
  3. Or click "Alternative" to download from Vai.la servers.

About this tool

A format used in astronomy for scientific images.

This page provides free sample FTS files you can download for testing, development and learning purposes. Each file is available in different sizes and configurations.

Use these files to test how your software handles FTS files, verify format support, or as placeholder content during development.

Frequently asked questions

What is a FTS file?

A format used in astronomy for scientific images.

Are these files free to use?

Yes, all sample files are free to download and use for testing, development and educational purposes.

How do I open a FTS file?

Most FTS files can be opened with standard software for their type. Check your operating system's default applications or search for "FTS viewer" for options.

What is the difference between Download and Alternative?

Both options provide the same file. "Download" links to an external source, while "Alternative" downloads from Vai.la servers.

Related tools

Long links? Shorten them for free

Vai.la turns any URL into a short link with click statistics, QR Code and your own biolink.

Vai.la is not responsible for how the tools are used or for decisions made based on their results.