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FIT to TCX Converter

Convert Garmin FIT files to TCX format

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All file conversions happen directly in your browser. We never upload, store, or save your files on any server. Your data remains completely private and secure.

About FIT to TCX Conversion

Learn more about the converter and its creator

Jonas

Jonas

I'm a software developer and sports enthusiast. I created these converters to help athletes manage their workout data efficiently.

Understanding FIT to TCX Conversion

Converting FIT (Flexible and Interoperable Data Transfer) files to TCX (Training Center XML) format allows you to make your workout data compatible with a wider range of fitness platforms and analysis tools. TCX is a widely supported format created by Garmin that provides a detailed structure for workout data.

What Data is Preserved?

The conversion process maintains all essential workout data, including:

  • Detailed timestamp information
  • GPS coordinates (latitude and longitude)
  • Altitude measurements
  • Heart rate data
  • Power output (if available)
  • Cadence information
  • Speed measurements
  • Distance data
  • Lap information and summaries

TCX Format Benefits

The TCX format offers several advantages:

  • Widely supported by fitness platforms and devices
  • Maintains workout structure with lap information
  • Preserves detailed sensor data
  • Compatible with most training analysis software
  • Excellent for sharing workouts between different platforms

Common Use Cases

Converting FIT files to TCX format is particularly useful for:

  • Importing workouts into older fitness platforms
  • Sharing workouts with coaches or training partners
  • Analyzing data in third-party software
  • Creating backup copies of your workouts
  • Migrating between different fitness platforms

Technical Details

The conversion process involves these steps:

  1. Reading the binary FIT file format
  2. Extracting activity and lap information
  3. Converting timestamps and measurements
  4. Structuring data according to TCX schema
  5. Generating valid TCX XML output

Pro Tip

TCX files maintain lap information and summary data, making them ideal for interval workouts or structured training sessions. When importing into other platforms, this structure helps maintain the original workout organization.