Convert Garmin FIT (.fit) to GPX (.gpx)

RouteConverter opens Garmin FIT files and saves them as GPX — free, offline, no upload required.

How to convert .fit to .gpx

1. Open the .fit file via File → Open.
2. Pick GPX in the Save as dropdown.
3. Choose where to save it via File → Save as.

About Garmin FIT (.fit)

FIT (Flexible and Interoperable Data Transfer) is Garmin's binary format for activity recordings, storing time-series sensor data such as heart rate, cadence and power alongside the track. Written by Garmin Edge, fēnix and Forerunner devices, and read by Strava, TrainingPeaks and Zwift.

About GPX (.gpx)

GPX (GPS Exchange Format) is an open XML format for waypoints, tracks and routes, with optional time, elevation and extension fields. It's the universal GPS interchange format — read and written by Garmin Connect, Google Earth, OsmAnd, Strava, komoot and nearly every GPS app or device made since 2004.

Download RouteConverter — Windows, macOS, Linux, free.

Related conversions

• GPX to Garmin FIT
• CSV to GPX
• Garmin MapSource to GPX

FAQ

Can RouteConverter convert .fit to .gpx for free?

Yes. RouteConverter is free and open source. Opening a Garmin FIT file and saving it as GPX does not require an account, a subscription, or an internet connection.

Does the file get uploaded anywhere?

No. RouteConverter runs on your own computer (Windows, macOS or Linux) and converts the file locally — nothing is sent to a server.

Can I convert .gpx back to .fit?

Usually yes — open the GPX file and pick Garmin FIT in the Save-as dropdown. Fields the target format cannot represent are dropped with a warning.