Files with FITS extension are astronomical images in FITS format. The main difference is an enhanced metadata structure for scientific data.

There is one other file type using
the FIT file extension!

fit file icon.fit - Garmin Training Center user activity profile

Detailed description

Software that works with fit file extension

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FIT file extension - Flexible Image Transport System file

What is fit file? How to open fit files?

File type specification:

Graphics file type icon Graphics file type

The FIT file extension is used for Flexible Image Transport System format, a most commonly used standard format for images used in astronomy. Historically, magnetic tape was the original storage medium for FITS formats.

FITS is a digital file format used to store, transmit, and manipulate scientific and other images, specially in Astronomy. A major feature of the FITS format is that image metadata is stored in a human-readable ASCII header, so that an interested user can examine the headers to investigate a file of unknown provenance.

FITS is also often used to store non-image data, such as spectra, photon lists, data cubes, or even structured data such as multi-table databases. A FITS file may contain several extensions, and each of these may contain a data object. For example, it is possible to store x-ray and infrared exposures in the same file.

The most common suffix for this format however is the FITS file extension, sometimes there can be found this format with FTS file extension as well.

Help how to open FIT files:

There are also some specialized FITS viewers that can open .fit files.

Some image viewers such as GIMP, Photoshop, XnView and IrfanView can generally read simple *.fit images, however are not able to interpret more complex files.

How to convert file with extension FIT:

Specialized viewers AVIS - FITS Viewer can convert .fit images to common bitmap files.

Find conversions from fit file:

fit to bmp

fit to tcx

Related links:

The FITS Support Office at NASA/GSFC

List of software applications associated to the .fit file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open fit file, edit fit file, convert fit file, view fit file, play fit file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the fit files.

  • Open fit file
  • Save fit file
  • Edit fit file
  • View fit file
  • Import fit file
  • Export fit file
  • Print fit file

Software that open fit file - Flexible Image Transport System file

Click on the link to get more information about AVIS - FITS Viewer for open fit file action.

Microsoft Windows:

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