Simple text encryption tools — Caesar cipher, ROT13, and Vigenère. For fun and learning, not secure communications.
Method
Input Text
Encrypted / Decrypted
🔐 Security Notice: This tool uses classical ciphers (Caesar, ROT13, Vigenère) which are not cryptographically secure and can be easily broken. Do not use this to protect sensitive, confidential, or personal data. For real encryption needs, use industry-standard tools (AES, GPG, Signal, etc.). All processing happens in your browser — no data is sent to our servers.