How to Convert GPX, FIT & TCX Files
Convert GPS activity tracks between any format in three quick steps with zero data loss.
Upload Your Files
Drag and drop up to 10 .GPX, .FIT, or .TCX files from your Garmin, Wahoo, Apple Watch, Strava, or Coros device.
Select Target Format
Choose the destination format (GPX, TCX, or FIT) for each file individually, or use the one-click batch selector.
Convert & Download
Click Convert to process your files in-memory. Download converted files instantly for Strava or your bike computer.
Format Comparison: GPX vs. FIT vs. TCX
Understand which activity file format is best suited for your sport, device, and mapping app.
| Feature | GPX (.gpx) | FIT (.fit) | TCX (.tcx) |
|---|---|---|---|
| File Type | Open XML Text | Garmin Binary | Training Center XML |
| GPS Coordinates | ✓ Full Support | ✓ Full Support | ✓ Full Support |
| Heart Rate & Cadence | ✓ Via Extensions | ✓ Native | ✓ Native |
| Power & Speed Telemetry | ✓ Via Extensions | ✓ Native | ✓ Native |
| File Size | Medium (~500KB) | Small (~50KB) | Large (~1MB) |
| Universal Compatibility | Universal (99%) | Garmin / Wahoo / Strava | Garmin / TrainingPeaks |
100% Client-Side Privacy
All files are parsed and generated in your browser memory. No files or location data are ever uploaded to any server.
Full Sensor Preservation
Retains synchronized time series data including heart rate, cadence, power wattage, elevation profile, and timestamps.
Instant Batch Conversion
Convert up to 10 files simultaneously with sequential processing, live progress tracking, and one-click downloads.
Frequently Asked Questions
Got questions about converting your activity files? Here are the answers.
Explore All Activity File Conversion Formats
Convert your GPS activities between Garmin FIT, GPX, and TCX with complete sensor telemetry fidelity.
to GPX Online
Turn binary .fit recordings from Garmin, Wahoo, and Coros into universal GPX tracks ready for Strava, Komoot, and 3D Flyover shorts.
to Garmin FIT Files
Transform XML GPX routes into lightweight, compact binary FIT files with turn points and elevation for your bike computer or sports watch.
to GPX Format Online
Extract clean GPS tracks from Garmin TCX workout logs and convert them to standard GPX 1.1 with synchronized biometric streams.
to Garmin TCX Format
Convert GPX activities into Training Center XML files with heart rate, cadence, and power extension tags for advanced workout analytics.
to Garmin TCX XML
Unpack binary FIT records from your smartwatch or power meter into standard Garmin Training Center XML format.
to Binary FIT Files
Compress verbose TCX workout files into lightweight binary FIT format for Garmin Edge, Forerunner, and Wahoo devices.
Activities to GPX Files
Easily export your Garmin watch and cycling computer FIT files to universal GPX tracks for Strava, Relive, and Google Earth.
Online in Your Browser
The easiest way to convert FIT files from any bike computer, smartwatch, or trainer into universal GPX and TCX formats.