FitConvert
Upload a TCX file to convert it into a FIT file ready for Garmin Connect.
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Latest articles
Updates and tips from the FitConvert team.
12/18/2025
Understanding FIT Files: The Backbone of Modern Fitness Tracking
Why devices like Garmin and Wahoo rely on FIT for high-resolution workout data
12/17/2025
TCX Files: Structured Workouts with Broad Compatibility
A human-readable alternative to FIT used across Garmin, Polar, and Strava
12/9/2025
ZWO Files: How Zwift Knows What Workout You’re Doing
The format behind interval training, power targets, and indoor plans