FIT File Type

- The quick facts

What are FIT files and how to open them

Are you having problems opening a FIT file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a FIT file?

FIT files have multiple uses, and Garmin Flexible and Interoperable Data Transfer is one of them.

Garmin Flexible and Interoperable Data Transfer File

The .fit file extension is used for a data file format developed by Garmin Ltd. FIT is short for Flexible and Interoperable Data Transfer. These files are generated as activity files by the Garmin Training Center software, which allows users to monitor their physical activities and exercises like cycling, swimming, and other workout sessions.

These .fit files contain logged data like date and time stamps, activity details, and other pieces of information related to the physical exercises of the user. They can be created and edited using the Garmin Training Center software for Windows PCs or Mac OS X computers. The data stored in these FIT files can also be viewed through the user interface of this software.

How to open FIT files

Important: Different programs may use files with the FIT file extension for different purposes, so unless you are sure which format your FIT file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 10 different FIT openers which you will find listed below.

Last updated: May 29, 2022

More file formats using the FIT extension

Through our research of FIT files, we know that the following formats exist. However, we have not yet analyzed them in detail.

  • Mechwarrior FIT Data File

Various apps that use files with this extension

These apps are known to open certain types of FIT files. Remember, different programs may use FIT files for different purposes, so you may need to try out a few of them to be able to open your specific file.

GIMPGIMPUser submitted
MaxIm DLMaxIm DLUser submitted
ThumbsPlusThumbsPlusUser submitted
CompuPic ProCompuPic ProUser submitted
StellaImageStellaImageUser submitted
CCDStackCCDStackUser submitted
The ESO/ESA/NASA FITS LiberatorThe ESO/ESA/NASA FITS LiberatorUser submitted
ERDAS IMAGINEERDAS IMAGINEUser submitted
DawnDawnUser submitted
FitykFitykUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about FIT file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.