XLSX

XLSX ↔ CSV

Convert Excel (.xlsx) sheets and CSV both ways.

Läuft im Browser — Daten verlassen Ihr Gerät nicht

Convert Excel (.xlsx) and CSV both ways (SheetJS).

Ausgabe

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Über XLSX ↔ CSV

Convert Excel (.xlsx) sheets and CSV both ways. Everything runs in your browser. Files never leave your device.

Free?

Yes.

Uploaded to a server?

No. Processing stays in your browser.