Safely Inspect an Unknown Spreadsheet

View a spreadsheet from an untrusted source without uploading it.

Keine Anmeldung erforderlichDateien bleiben privat

Dateien hier ablegen oder klicken zum Durchsuchen

XLSX, XLS, CSV, ODS keine dateigrößenbeschränkung

Dateien durchsuchen

Deine Dateien verlassen nie dein Gerät. Die Verarbeitung findet lokal in deinem Browser statt.

Open .xlsx, .xls, .csv, or .ods spreadsheets without Excel or Google Sheets. The file is parsed entirely in your browser.

security tips

🛡️

Opening an unexpected .xlsx in Excel can trigger macros; this viewer just reads the data, with no macro execution.

🔒

Because the file is parsed locally, you avoid uploading a potentially sensitive or malicious file to a third party.

👀

Preview the contents first, then decide whether to open it in a full spreadsheet app.

📄

Supports XLSX, XLS, CSV, and ODS.

Datei wählen

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

Verarbeiten

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Herunterladen

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Komplett kostenlos — keine versteckten Kosten, jemals

✓Kein Konto, keine E-Mail, keine Anmeldung erforderlich

✓Dateien verlassen nie dein Gerät

✓Keinerlei Dateigrößenbeschränkungen

✓Keine Wasserzeichen auf Ausgaben

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