Safely Inspect an Unknown Spreadsheet

View a spreadsheet from an untrusted source without uploading it.

Ei kirjautumista tarvitaTiedostot pysyvät yksityisinä

Pudota tiedostot tähän tai napsauta selataksesi

XLSX, XLS, CSV, ODS ei tiedostokokorajoitusta

Selaa tiedostoja

Tiedostosi eivät koskaan poistu laitteeltasi. Kaikki käsittely tapahtuu paikallisesti selaimessasi.

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.

Valitse tiedosto

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

Käsittele

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

Lataa

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

✓Täysin ilmainen — ei piilokustannuksia, koskaan

✓Ei tiliä, sähköpostia tai kirjautumista tarvita

✓Tiedostot eivät koskaan poistu laitteeltasi

✓Ei tiedostokokorajoituksia lainkaan

✓Ei vesileimoja missään tulosteessa

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