Convert CSV (.csv) to TCX (.tcx)

RouteConverter opens CSV files and saves them as TCX — free, offline, no upload required.

How to convert .csv to .tcx

1. Open the .csv file via File → Open.
2. Pick TCX in the Save as dropdown.
3. Choose where to save it via File → Save as.

About CSV (.csv)

CSV is a plain-text table of coordinates, one row per point, with whatever columns (name, elevation, time) the source chose to export. Opened by Excel, Numbers, Google Sheets and any GIS tool that ingests tabular data.

About TCX (.tcx)

TCX (Training Center XML) is Garmin's XML activity format, organizing a recording into laps and attaching sensor extensions. Used by Garmin Connect, TrainingPeaks and older Garmin Training Center desktop software.

Download RouteConverter — Windows, macOS, Linux, free.

Related conversions

• CSV to GPX
• GPX to CSV
• GPX to TCX

FAQ

Can RouteConverter convert .csv to .tcx for free?

Yes. RouteConverter is free and open source. Opening a CSV file and saving it as TCX does not require an account, a subscription, or an internet connection.

Does the file get uploaded anywhere?

No. RouteConverter runs on your own computer (Windows, macOS or Linux) and converts the file locally — nothing is sent to a server.

Can I convert .tcx back to .csv?

Usually yes — open the TCX file and pick CSV in the Save-as dropdown. Fields the target format cannot represent are dropped with a warning.