Safely Inspect an Unknown Spreadsheet

View a spreadsheet from an untrusted source without uploading it.

Prihlásenie nie je potrebnéSúbory zostávajú súkromné

Presuňte súbory sem alebo kliknite pre prehľadávanie

XLSX, XLS, CSV, ODS žiadne obmedzenie veľkosti súboru

Prehľadávať súbory

Vaše súbory nikdy neopustia vaše zariadenie. Všetko spracovanie prebieha lokálne vo vašom prehliadači.

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.

Vybrať súbor

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

Spracujte

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

Stiahnite

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

✓Úplne zadarmo — nikdy žiadne skryté náklady

✓Nie je potrebný účet, e-mail ani prihlásenie

✓Súbory nikdy neopustia vaše zariadenie

✓Žiadne obmedzenia veľkosti súborov vôbec

✓Žiadne vodoznaky na žiadnom výstupe

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