TrackConvertUtility
Merge tracks
Need a different format?Convert archives
Combine several tracks into one file. Same format in, same format out — this page does not convert.
Supports GPX, TCX, KML, KMZ, GeoJSON, and CSV. FIT is not supported here (we cannot write FIT). Need FIT → GPX first? Use Tools.
Merge only — same format in, same format out. No conversion.
Drop track files to merge
Same format only · GPX, TCX, KML, KMZ, GeoJSON, or CSV · not FIT · click to browse
How it works
- 1Drop several same-format tracks (GPX / TCX / KML / …)
- 2Confirm one format, then merge
- 3Download the single merged file
Good for
One day, many segments → one track
You recorded in pieces and want one file to share or import.
Same-format batch stitch
Everything is already GPX (or all TCX / KML) — this page merges only; it does not convert.
Normalize formats first
Mixed types? Convert with Convert archives or a pair page, then merge here.
No FIT output
Convert FIT → GPX first, then merge the GPX files.
Please noteMerge only — no format conversion. Mixed formats are rejected. We cannot write FIT.
FAQ
Are my files uploaded?
No. Merging runs entirely in your browser.
Can I convert while merging?
No. Convert to one format first, then merge on this page.
Can I merge FIT?
We cannot write FIT. Use FIT → GPX, then merge the GPX files.
Looking for “Merge GPX”?
This is the tool — GPX in stays GPX out.