FIT File - opening and understanding
Did your computer fail to open a FIT file? We explain what they are used for and recommend software that we know can open or otherwise handle your .FIT files.
What is a FIT file?
The .fit file extension is used for a proprietary data file format that was developed by Garmin Ltd. These .fit files are generated as activity files by the Garmin Training Center software.This program is designed for Windows PCs and Mac OS X computers. The Garmin Training Center 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.These .fit files can be created and edited by 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
You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension FIT for different purposes.
While we have not verified the apps ourselves yet, our users have suggested 10 different FIT openers which you will find listed below.
Suggest another file format using extension FIT
While we know of one file format using the .FIT file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .FIT file.
Various viewers for this file format
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.
 | GIMP | User submitted |
 | MaxIm DL | User submitted |
 | ThumbsPlus | User submitted |
 | CompuPic Pro | User submitted |
 | StellaImage | User submitted |
| CCDStack | User submitted |
| The ESO/ESA/NASA FITS Liberator | User submitted |
 | ERDAS IMAGINE | User submitted |
| Dawn | User submitted |
| Fityk | User submitted |
Not sure exactly what type of file you are trying to open? Try our new File Analyzer. It is a free tool that can identify more than 11,000 different kinds of files - most likely yours too! It will help you find software that can handle your specific type of file. Download File Analyzer here.