Cipher Jay Merge Web

Protect and decode your messages with this secure encryption playground. Experiment with classic cryptographic methods and encode strings instantly.

Whether you want to learn classic cryptography or encode private messages, this tool offers a simple and interactive workspace. Use it to encrypt and decrypt on the go.

Key Features:
• Caesar Shift cipher with custom shift values
• ROT13 cipher for quick character rotation
• Vigenere cipher supporting custom keyphrases
• Dual modes to encrypt and decrypt content instantly
• Real-time output updates as you type
• One-tap result copying to clipboard
• Fully responsive layout designed for ease of use

How to Use:
• Enter your message in the input field.
• Select Caesar, ROT13, or Vigenere from the spinner menu.
• Provide a shift number or keyphrase if required.
• Toggle between encrypt and decrypt to see the live output.
• Tap the copy button to copy the encoded or decoded message.

Privacy & Experience:
• No ads
• No in-app purchases
• Works completely offline
• No account required