FitFileLab

Convert GPX to FIT

Convert your GPS Exchange Format (.gpx) files to FIT (.fit) for free, directly in your browser. No upload, no sign-up — your activity data never leaves your device.

How to convert GPX to FIT

  1. 1

    Select your GPX file

    Drag and drop your .gpx file onto the converter, or click to browse your device.

  2. 2

    Convert to FIT

    The file is parsed instantly in your browser and converted to the FIT format. Choose FIT as the target.

  3. 3

    Download the FIT file

    Click download to save your new .fit file. Nothing is ever uploaded to a server.

Why convert GPX to FIT?

Convert to FIT when you want to use your activity with Garmin, Wahoo and Coros devices and Garmin Connect. FitFileLab keeps your GPS track, timestamps, elevation and available sensor data (heart rate, cadence, power) whenever the FIT format supports them.

Frequently asked questions

Is the GPX to FIT converter free?
Yes. FitFileLab is completely free with no account, no email and no file-size limit.
Are my files uploaded to a server?
No. All conversion happens locally in your browser using JavaScript. Your files never leave your device, which is faster and fully private.
Will I lose data when converting GPX to FIT?
FitFileLab preserves the GPS track, timestamps, elevation and available sensor data (heart rate, cadence, power) wherever the FIT format supports them.
What can I do with a FIT file?
FIT files are used by Garmin, Wahoo and Coros devices and Garmin Connect.
Can I convert FIT back to GPX?
Yes — FitFileLab also converts FIT to GPX and between every other combination of GPX, FIT and TCX.

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