Excel Encrypt

Sheet Security Lab

Excel Encrypt

Password-protect Excel files online: upload, encrypt, and download.

Upload Excel file

For demo only: encryption is simulated client-side. Re-encrypt with desktop Office for strict security.

Supports XLSX/XLS/CSVMax 30MB
Status

Upload a file and set password to start encryption.

Upload a file and set password to start encryption.

About this tool

Add a password to Excel files online. This is a front-end simulated encryption for quick demos; for strict security, re-encrypt with desktop Office or professional tools.

How to use

  1. Upload the Excel file you need to protect.
  2. Enter a password and click Encrypt.
  3. Download the encrypted file; use a trusted local tool for stronger protection if needed.
Tip: Avoid using sensitive data in this demo. For production, handle files locally or with audited back-end services.
Excel Encrypt - Add Password Online