SMARTFIT BY TOOLMITRAA
FIT Field Merger
Use two devices recorded at the same time and copy a selected stream from one recording into the other.
What this tool does
- HR, power, cadence, GPS, speed, elevation and temperature
- Configurable timestamp tolerance
- Target and source recordings remain selectable
- Structural changes exported as a new FIT
Non-destructive workflow
SmartFIT works on an in-memory copy and exports a new file. Keep the original activity as your backup, especially before structural edits.
Frequently asked questions
Does this overwrite my original file?
No. SmartFIT exports a new result and does not modify the source file on disk.
Can I inspect the result before saving?
Yes. The current activity can be reviewed in SmartFIT Editor and Analyzer before export.
More SmartFIT tools
FIT Tools Suite · FIT File Editor · FIT File Repair · Smart FIT Generator · Cycling Activity Generator · Running Activity Generator · Cycling Route Builder · GPX to FIT · FIT Converter · Activity Analyzer · Activity Library · Athlete Twin · Personal Heatmap