Safely Inspect an Unknown Spreadsheet

View a spreadsheet from an untrusted source without uploading it.

Sem login necessárioArquivos permanecem privados

Arraste arquivos aqui ou clique para procurar

XLSX, XLS, CSV, ODS sem limite de tamanho de arquivo

Procurar arquivos

Seus arquivos nunca saem do seu dispositivo. Todo o processamento acontece localmente no seu navegador.

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.

Escolher arquivo

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

Processar

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

Baixar

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

✓Completamente gratuito — sem custos ocultos, jamais

✓Sem conta, e-mail ou login necessário

✓Arquivos nunca saem do seu dispositivo

✓Sem limites de tamanho de arquivo

✓Sem marcas d'água em nenhuma saída

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