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Team Asha Randonneuring

Merge GPS Files

Combine activity files into one — free, self-hosted, no donor gate.

📁 2–20 files per merge ⚖️ 4 MB total upload limit 🔒 processed in memory, nothing stored
Merge mode

Output is a standard FIT file with position, altitude, speed, distance, heart rate, cadence, power and temperature preserved, ready to upload to Garmin Connect or Strava. GPX / TCX input is a planned future enhancement.