gpx.studio is a free online GPX viewer and editor which allows to: • visualize multiple traces in different colors and aided by many different maps (cycling, hiking, satellite, etc) • edit traces by adding, inserting, moving or deleting track points • reverse traces • add or change the timestamps of a trace • view, add, edit and remove waypoints • reduce the number of track points • view and rework the structure of the file • automatically add elevation data to traces if missing • merge multiple traces, extending time, heart rate, cadence, power and temperature data where needed • extract segments from traces and perform any other action while maintaining the segments' structure within files • save the result on your computer or to your Google Drive™ to get a shareable link and embedding code