Go to: https://drtimcollins.github.io/extractPower/
- Click the 'Choose File' button and select your FIT file.
- Successful data extraction will give an "Extraction complete" message in the box below.
- Two new hyperlinks will appear for downloading all power records or a summary of power per 10W band.
Downloads are CSV files compatible with Excel etc.
This tool uses the Garmin FIT SDK v21.133 - https://developer.garmin.com/fit/overview/