Safely Inspect an Unknown Spreadsheet

View a spreadsheet from an untrusted source without uploading it.

Geen aanmelding vereistBestanden blijven privé

Sleep bestanden hierheen of klik om te bladeren

XLSX, XLS, CSV, ODS geen bestandsgroottelimiet

Bestanden bladeren

Jouw bestanden verlaten nooit je apparaat. Alle verwerking vindt lokaal in je browser plaats.

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.

Bestand kiezen

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

Verwerken

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

Downloaden

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

✓Volledig gratis — geen verborgen kosten, ooit

✓Geen account, e-mail of aanmelding vereist

✓Bestanden verlaten nooit je apparaat

✓Absoluut geen bestandsgroottelimieten

✓Geen watermerken op uitvoer

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