One-Time Pad Encryptor — Free & Private

Educational OTP encryption and decryption

Part of Advanced Crypto & Privacy. Runs 100% in your browser: your files and data never leave your device. No signup, no ads.

More in Advanced Crypto & Privacy

• Shamir Secret Sharing
• HaveIBeenPwned Checker
• Canary Token Generator
• Split-Key Two-Person Encryption
• Zero-Knowledge Proof Demo
• Digital Signature Verifier
• Blockchain Hash Tree Explorer
• Secure Notes Vault

Browse all free tools