What is a .TCX file?
TCX is a Garmin Training Center XML workout file with route and heart-rate data.
- Did you know
- TCX was Garmin’s XML workout format before the more compact FIT took over.
- TCX extends the simpler GPX format, organising data as activities, laps and tracks rather than a bare list of points.
- It can record heart rate, cadence and calories alongside the GPS route as top-level data.
- What Analyser reads
- Open scientific, medical and engineering files: DICOM scans, NIfTI brain volumes, Garmin FIT/TCX activities, FITS astronomy frames, FASTA/FASTQ sequences, chemistry structures (MOL/SDF/MOL2/CIF/XYZ), Gerber/Excellon PCB data, SPICE netlists, EDF/BDF biosignals, JCAMP-DX spectra, SPSS/Stata/SAS datasets and VTK/ParaView meshes - metadata extracted entirely in-browser.
- Depth of analysis
- .TCX is an identification-grade format: Analyser recognises it from its bytes and decodes the header metadata it carries, rather than opening it in a full viewer. Formats that do get a full viewer are marked "Full" on the formats page.
- Open a .TCX file
- Drag a .TCX file onto the Analyser home page (or tap to pick one). It is identified entirely in your browser - nothing is uploaded, there is no account, and it works offline once installed.