Protect & Lock CSV

Secure your sensitive CSV data with military-grade encryption. Protect your files with passwords and ensure only authorized access.

Secure Your CSV Files in Seconds

Our free online Protect & Lock CSV tool allows you to securely encrypt your CSV files with AES-256 encryption - the same standard used by governments and security experts worldwide. Simply upload your CSV file, set a strong password, and download your encrypted file.

Whether you're protecting financial records, customer data, or sensitive research, our tool ensures your information remains confidential. All processing happens directly in your browser - no data is ever sent to our servers.

Military-Grade Security

AES-256 encryption ensures your data is protected with the highest standards

Lightning Fast

Process files instantly without waiting for uploads or downloads

Complete Privacy

Your files never leave your device - all processing happens locally

Protect Your CSV

Drag & Drop your CSV file here

or

Minimum 8 characters with letters and numbers

Unlock Your CSV

Drag & Drop your protected file here

or

Benefits of Protecting Your CSV Files

Prevent Unauthorized Access

Ensure only authorized individuals with the password can access sensitive data in your CSV files.

Secure Cloud Storage

Safely store encrypted CSV files in cloud services without worrying about data breaches.

Safe File Sharing

Share sensitive data securely via email or messaging apps by sending the encrypted file and password separately.

Compliance Ready

Meet data protection regulations like GDPR, HIPAA, and CCPA by encrypting sensitive personal information.

Frequently Asked Questions

Is my data secure with this tool?

Absolutely! All file processing happens directly in your browser. Your files never leave your computer, and we don't store any data on our servers. The encryption happens locally using industry-standard AES-256 encryption.

What happens if I forget my password?

Unfortunately, we cannot recover your password. The encryption is designed so that only someone with the exact password can decrypt the file. We recommend using a password manager to store your passwords securely.

Is there a file size limit?

There are no artificial limits on file size. However, very large files (over 100MB) may take longer to process depending on your device's capabilities. We recommend testing with smaller files first.

Can I use this tool on my mobile device?

Yes! Our tool is fully responsive and works on all modern mobile devices. You can protect and unlock CSV files directly from your smartphone or tablet.

Is this service completely free?

Yes, Protect & Lock CSV is 100% free to use with no hidden fees or limitations. We believe in providing powerful privacy tools to everyone without barriers.

Ready to Secure Your Data?

Join thousands of users who trust Protect & Lock CSV to safeguard their sensitive information