gpxstudio

Handles multiple tracks, segments, waypoints, and activity data like heartrate and cadence, as detailed in the features list, making it versatile for various GPS file types.

Runs entirely in the browser, eliminating software downloads and enabling use from any device with internet, as emphasized in the philosophy.

Includes features for merging traces, reversing directions, reducing points, and adjusting timestamps and speeds, all outlined in the main features section.

Offers Google Drive integration and support for custom map layers via Mapbox, enhancing workflow options and customization, as mentioned in the integration features.