Open FIT file

FIT files: what are they and how do I open them?

Are you facing difficulties opening unknown files on your computer, or wondering exactly what this file is?
We've got the information and best software solutions for opening these files effortlessly.

.fit file type #1: Garmin user profile

Files with fit extension are in most cases special user profiles for Garmin devices or the Garmin Training Center / Garmin Connect software. Used to store data about user's physical activity and exercises.

Further details:

FIT file is a proprietary file format developed by Garmin, used by their fitness devices to store data about user activities.

Such data include information about a user's heart rate, distance traveled, speed, and other fitness-related metrics. The Garmin Training Center software can read these files and display the data in a user-friendly format, allowing users to track their progress and analyze their performance over time.

Open file with:

Garmin Training Center

A program used to track and analyze fitness activities

Garmin Training Center for Mac

A fitness trakcing and analyzing tool for Mac

.fit file type #2: Flexible Image Transport System

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

Further details:

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.

Open file with:

AVIS - FITS Viewer

A freeware FITS viewer for Windows 7, Vista, Windows XP, Windows 2000 and Windows 98

What is the meaning of a file extension?

File extensions are characters that appear after the dot in a computer file's name. For example, the file "unknown-file.fit" has the file extension "fit". This is used to identify which program should open the file or what file type it is.
File extensions help you organize and manage files. They provide a quick and easy way to identify and associate the file type with the appropriate software.

We can help you open your file

In our database, we have collected a huge number of different file extensions, detailed descriptions, and programs that can be used to open or otherwise work with the file extensions listed in our database.
This database is an invaluable resource for users who want to understand better file extensions and what they can do with them. It also allows users to know different file types with the same purpose.

Only verified software links are provided

We have verified every software listed in our database. The software listed in our database includes links to the developer's or software's website. These links should allow you to download the right program for each file type. Using verified software from reputable sources helps minimize the risk of malware and viruses infecting your computer.