Polar JSON to FIT Converter
Tredict does not save your files. The files to be converted are only processed in RAM and are not persisted in a mass storage.
No cookies are used. No guarantee is given for the correctness of the conversion.
What is the Polar JSON Converter good for?
The converter allows you to archive your Polar training sessions from the "Polar Flow Export Tool" as Garmin FIT. The FIT format allows you to upload your Polar training history converted with the "Polar JSON to FIT Converter" to platforms like Azum, Runalyze, TrainingPeaks, Sporttracks and many others that offer .fit support. Tredict has of course integrated the converter into its own uploader.
Convert the .json files from your "Polar Flow Export" to the "Garmin Fit Format" with this conversion tool.
The .fit files can be used in a much more versatile way and have become a quasi-standard on all modern sports platforms, as they have a defined and space-saving file scheme.
How to download all your data from Polar Flow
Polar offers a complete data export of your Polar Flow account on their website.
Polar Flow Data Export
You can then convert the .json files contained there with this json2fit converter.
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You can also try out Tredict. A manufacturer-independent training analysis and planning platform for endurance athletes like you.