Free Fitness & GPS Files tools
Diagnose FIT, TCX, and GPX activity files privately in your browser.
What belongs in Fitness & GPS Files?
Activity-file tools should explain exactly why an import failed instead of leaving a cryptic error, without ever altering the original recording.
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Typical reasons people use these tools
- Find out why a GPS watch export won't import into training software
- Spot GPS jumps or missing points before sharing an activity
- Check a FIT file's checksum without special desktop software
Available Fitness & GPS Files tools
Open the exact converter, editor, or utility needed for the task. Every published page documents its workflow, privacy behavior, and known limits.
FIT/TCX/GPX Activity Diagnostic ToolFind out why a FIT, TCX, or GPX activity file fails to import — missing points, bad timestamps, GPS jumps, and checksum errors — privately in your browser.
FIT/TCX/GPX Activity Repair ToolRepair FIT, TCX, and GPX activity files — remove GPS jumps, interpolate missing timestamps, fix broken points — and download a clean GPX file, privately in your browser.
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