Tools
- Convert an Apple Health export to CSV — any archive size, free
- Inspect a GPS or fitness file online — map, charts, and raw fields
- Merge GPS and fitness files online — combine split recordings
- Repair a broken GPS or fitness file — fix errors before they compound
- Split one activity into two files online — by time, distance, or map click
- Shift the timestamps in a GPS file — fix a wrong timezone
- Trim a GPS track online — cut the start or end before sharing