Protect & Lock TXT

Secure your sensitive text files with military-grade AES-256 encryption. All processing happens locally in your browser - your data never leaves your device.

Drag & drop your file here

or

Your encrypted text will appear here...

Why Use Protect & Lock TXT?

Our tool provides top-level security with these powerful features

Military-Grade Encryption

Uses AES-256 encryption, the same standard adopted by governments and security experts worldwide to protect classified information.

Zero Data Transfer

All encryption and decryption happens locally in your browser. Your sensitive data never leaves your device.

Lightning Fast

Process text files of any size quickly thanks to optimized algorithms and browser-native APIs.

How It Works

Protecting your text files is simple and secure

1

Enter Text

Type or paste your sensitive text, or upload a text file

2

Set Password

Create a strong encryption password

3

Encrypt

Click encrypt to secure your text

4

Download

Save your encrypted file securely

Frequently Asked Questions

Find answers to common questions about our encryption tool

Is this tool really secure?

Yes! We use AES-256 encryption, the industry standard for securing sensitive data. All processing happens locally in your browser - your data never leaves your device.

What happens if I forget my password?

Without your password, your encrypted data cannot be recovered. We don't store passwords or encrypted data, so please keep your password safe and secure.

Is there a file size limit?

There are no artificial limits, but very large files may take longer to process depending on your device's capabilities. Most text files encrypt in milliseconds.

Can I use this on mobile devices?

Absolutely! Our tool is fully responsive and works on all modern mobile browsers. Protect your text files wherever you are.

Ready to secure your sensitive information?

Start protecting your text files with military-grade encryption today. No installation required - just open and use!