TCX vs FIT vs GPX explained: what each format stores, which one is best for Garmin/Strava/sharing, and when to convert. Includes a quick decision table.
JonasLearn how to open a TCX file online for free. View GPS routes, laps, heart rate, cadence, and trackpoints locally in your browser—no uploads.
JonasLearn how to edit a TCX file online for free. Trim start/end, adjust GPS, fix metadata, and validate your changes before uploading to Strava or Garmin.
JonasConvert a Garmin .fit file to Excel by first converting FIT to CSV with our free tool, then importing the CSV into Microsoft Excel.
JonasLearn how to edit FIT files online for free. Crop activities, fix GPS drift, change sport type, and modify workout data. Works with Garmin, Wahoo, and all FIT-compatible devices.
JonasLearn how to crop or trim a FIT file to remove warm-up, cool-down, or unwanted portions from your Garmin activity. Free online tool with step-by-step instructions.
JonasLearn how to fix GPS drift in FIT files by applying offset correction. Shift your Garmin track back onto the actual route with our free online tool.
JonasSolutions for the most common FIT file issues: cropping, GPS drift, wrong activity type, format conversion, and viewing problems. Free tools and step-by-step fixes.
JonasLearn how to change the activity type in a Garmin FIT file. Fix incorrectly detected sport types like running vs hiking, road vs trail cycling, and more.
JonasWhat is the difference between ZWO and FIT workout files? Detailed comparison of Zwift vs Garmin workout formats and how to convert between them.
JonasEverything you need to know about ZWO files. Learn what they are, how they work in Zwift, and how to create or edit your own custom workouts.
JonasLearn how to export Zwift workouts and load them onto your Garmin Edge or Forerunner. Take your structured indoor training outdoors.
JonasDisclaimer: Information provided by this site is for educational purposes only and is not intended to be a substitute for professional medical advice specific to the reader's particular situation. The information is not to be used for diagnosing or treating any health concerns you may have. The reader is advised to seek prompt professional medical advice from a doctor or other healthcare practitioner about any health question, symptom, treatment, disease, or medical condition.
