If a GPX file will not open, the cause is usually a bad download, wrong file type, or no app assigned to .gpx.
Quick fixes
- Confirm the file ends in
.gpx(not .xml or .kml) - Re-download or re-export from Strava, Komoot, or the source
- Open with GPX Viewer via Share → Open with
- Check the file is not empty (0 KB)
Wrong format? Compare GPX vs KML and GPX vs TCX.
Try GPX Viewer free
Open your GPX file in GPX Viewer — free import on iPhone and Android.
