Secure your sensitive CSV data with military-grade encryption. Protect your files with passwords and ensure only authorized access.
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.
AES-256 encryption ensures your data is protected with the highest standards
Process files instantly without waiting for uploads or downloads
Your files never leave your device - all processing happens locally
Drag & Drop your CSV file here
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Drag & Drop your protected file here
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Ensure only authorized individuals with the password can access sensitive data in your CSV files.
Safely store encrypted CSV files in cloud services without worrying about data breaches.
Share sensitive data securely via email or messaging apps by sending the encrypted file and password separately.
Meet data protection regulations like GDPR, HIPAA, and CCPA by encrypting sensitive personal information.
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.
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.
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.
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.
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.
Join thousands of users who trust Protect & Lock CSV to safeguard their sensitive information