Protect your private communications with classical cryptography using this offline cipher tool. Encode and decode your messages instantly using traditional encryption methods to secure your conversations.
This application provides a hands-on playground to explore classical cryptography. You can easily switch between different algorithms, customize key parameters, and copy the encrypted output to share with others.
Key Features:
• Caesar shift encryption with custom integer shift keys
• ROT13 algorithm for quick text rotation
• Vigenere cipher using custom text keyphrases
• Toggle instantly between encryption and decryption modes
• One-tap option to copy results to your device clipboard
• Automatic calculation updates as you type your message
How to Use:
• Type or paste your message into the input field
• Select your preferred algorithm from the drop-down menu
• Enter a shift number or keyphrase if required by the cipher
• Tap the Encrypt or Decrypt button to view the result
• Copy the output and share it securely with your friends
Start exploring historical cryptography and protect your text messages today.
Privacy & Experience:
• No ads
• No in-app purchases
• Works completely offline
• No account required