FIT Fixer

1Upload your .fit file

2FIT Fixer repairs GPS glitches

3Redraw damaged parts and done

Upload

FIT file

Click to choose a file

or drag and drop · .fit .gpx .tcx · max 10 MB

Merge with another FIT file (optional)

Device died or restarted mid-ride? Choose the second recording and both are joined into one activity before fixing. The order doesn't matter — the earlier one is detected automatically. The time between the two recordings is marked on the map so you can redraw that stretch.

Makes sense if your start point is corrupted. Select the exact place of start if you want the fixed track to begin there.

First GPS point further than 50 km from this city is treated as a pre-start glitch

Finish point (optional). Makes sense if your finish is corrupted. The last track point will be moved to this location.

Same as start

The last GPS point of the fixed track will be moved to this location

Max speed

km/h

Points implying faster travel than this are treated as GPS glitches (default: 70 km/h, range: 5–100)

Auto-route corrupted segments

Fill GPS gaps by routing along roads instead of a straight line. You can still redraw any segment by hand afterwards.