Open FITS file online

Our free fits viewer online tools does not required any registrations and installations on your system, 100% free and online flexible image transport system file (.fits) viewer tool. Open from any device with a modern browser like Chrome, Opera and Firefox.

Free Online fits viewer

Select FITS file

150 MB maximum file size.

Open FITS File

What did you think of your recent FITS Viewer/Editor experience?

4.8 (560 Votes)

View Other FITS File

More FITS Online Tools

We have 100% free online FITS tools and apps that does not required any registrations and installations on your system, here are few popular free FITS tools to View, Convert, Edit, Merge, Split, Compare and manage file metadata online from any device with a modern browser like Chrome, Opera and Firefox.

FITS Converter

FITS Viewer

FITS Editor

Compare FITS Files

Merge FITS Files

Split FITS Files

FITS Metadata Viewer

Related FITS File Extensions & Tools

FITS default file extension is .FITS and other similer related extensions and their tools are:

FIT Tools FKB Tools

FAQ

1

❓ How can I View FITS (flexible image transport system file)?

First, you need to add a file for Viewer: drag & drop your FITS file or click inside the white area for choose a file. Then click the "View" button. It will now allow you to View your FITS file.
2

⏱️ How long does it take to View FITS?

This Viewer works fast. You can View FITS in a few seconds.
3

🛡️ Is it safe to View FITS using free Viewer?

Of course! The download link of FITS files will be available instantly after Viewing. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. File Viewing (including flexible image transport system file .fits) is absolutely safe.
4

💻 Can I View FITS on Mac OS, Android or Linux?

Yes, you can use free Viewer app on any operating system that has a web browser. Our FITS Viewer works online and does not require any software installation.
5

🌐 What browser should I use to View FITS?

You can use any modern browser to View FITS, for example, Google Chrome, Firefox, Opera, Safari.

About Licensing

Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
Included with OS This software is bundled with an OS , like Windows, macOS, or Android.