Basically account.polar.com has a download data button. More: https://www.reddit.com/r/Polarfitness/comments/pxbbd2/polar_json_export_to_garmin_fit_converter/ | Basically account.polar.com has a download data button. More: https://www.reddit.com/r/Polarfitness/comments/pxbbd2/polar_json_export_to_garmin_fit_converter/ |