FITS converter

Free online conversion of files to fits and vice versa
Select files or drag & drop them here
About FITS

FITS (Flexible Image Transport System) is a heavily-used and well-standardised format for storing astronomical data. It can store both images and tables, and has basic but flexible support for metadata.

How to convert a file to FITS?

Click the «Choose files» button and select the files you want to convert. The maximum file size is 75 MB.

Select «FITS» as the target format. Click «Convert» to start converting files to FITS. It will only take a few seconds.

You did it! Your files have been converted to FITS format. Now download them to your device.

Supported conversions

MiConv can convert files to FITS format and vice versa. Check the table below.
Convert from FITS
Convert to FITS

Advantages of MiConv

Online FITS conversion

You don't need to download and install any software to convert files to .fits format. All conversions take place in the cloud.

File security

Your files are completely safe and accessible only to you. All files will be permanently deleted within 2 hours after conversion.

Fast and free

Convert your fits files in 2 clicks. And don't pay anything for it! This FITS converter is free for all users.

See also

In addition to FITS, we can convert many other file formats. Here are some popular conversions:
Over 1,500,000 users in 235 countries have used MiConv to convert files in 2022

So you're in good company! 👍🏻