FIT to TCX Converter
Free, private, runs in your browser – no upload.
Click to upload or drag and drop
FIT files onlyMax file size: 200 KB
Convert any Garmin FIT file to TCX in seconds — keeps GPS track, heart rate, power, cadence, and laps intact for upload to Garmin Connect, TrainingPeaks, or Strava. Free, processed entirely in your browser.
Open or edit your FIT and TCX files
- TCX file viewer – open a TCX file and see its laps, trackpoints and charts
- TCX file editor – edit the sport, times and trackpoints of a TCX file
- FIT file viewer – check the map, heart rate, power and laps before you upload
- FIT file editor – trim, fix the start time or GPS drift and re-save a clean file
- All FIT file tools – viewers, editors and converters for Garmin, Wahoo and COROS files
FIT (Flexible and Interoperable Data Transfer) is a file format used by Garmin and other fitness devices to store workout data including GPS, heart rate, and power metrics. It is a compact binary format optimized for embedded devices.
TCX (Training Center XML) is a file format created by Garmin that stores workout data in a structured XML format. It contains detailed workout information including GPS coordinates, heart rate, power, cadence, and other sensor data.
How to Convert FIT to TCX
Follow these simple steps to convert your files quickly and easily
Upload Your FIT File
Click the upload area above or drag and drop your FIT file. Select a .fit file from your Garmin device or training platform.
Click Convert
Click the convert button to transform your FIT file to TCX format. The conversion preserves all workout data and metrics.
Download Your TCX File
Once conversion is complete, download your new TCX file. Use it with training analysis software or upload to other platforms.
About FIT to TCX Conversion
Learn more about the converter and its creator

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:
- Reading the binary FIT file format
- Extracting activity and lap information
- Converting timestamps and measurements
- Structuring data according to TCX schema
- 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.
Frequently Asked Questions
TCX (Training Center XML) is a file format created by Garmin that stores workout data in a structured XML format. It's widely supported by fitness platforms and analysis tools.
No, the converter preserves all essential workout data including GPS coordinates, heart rate, power, cadence, and lap information.
TCX files are widely supported by fitness platforms and maintain detailed workout structure, making them ideal for sharing workouts or analyzing data in different tools.
What is a TCX file?
Will I lose any data during conversion?
Why convert to TCX format?
Related Converters
Explore other file converters that might be useful for you
FIT to GPX Converter
Convert any Garmin FIT file to GPX in seconds. Preserves the GPS track, elevation, and timestamps — ready to upload to Strava, Komoot, RideWithGPS, or any GPS app. Free, runs in your browser.
FIT to ZWO Converter
Convert power-based FIT files to Zwift ZWO workouts
FIT to CSV Converter
Convert any Garmin FIT file to CSV in seconds. Exports GPS coordinates, heart rate, power, cadence, speed, and all sensor data — ready to open in Excel or Google Sheets. Free, processed in your browser.
FIT to KML Converter
Convert Garmin FIT files to KML format for Google Earth and Google Maps visualization
FIT to ERG Converter
Convert power-based FIT files to ERG format for structured indoor training
GPX to TCX Converter
Convert GPS Exchange files to Training Center XML format