Caesar Cipher Encode/Decode

Caesar Cipher Encode/Decode

Encrypt or decrypt text instantly with our free Caesar Cipher Encode/Decode tool. Perfect for students, cryptography enthusiasts, and developers experimenting with classic cipher techniques.

Key Features

• Encode or decode text using the Caesar Cipher
• Adjust shift/key value for flexible encryption
• Supports both uppercase and lowercase letters
• Instantly view results in real-time
• Fast, secure, and fully browser-based

How to Use

• Enter the text you want to encode or decode
• Set the shift/key value (0–25)
• Click Encode or Decode to process
• Copy or download the converted text instantly

Why Use Our Caesar Cipher Tool?

Our Caesar Cipher Encode/Decode tool provides a quick and easy way to experiment with one of the oldest encryption techniques. Ideal for learning cryptography, testing code, or sending simple encoded messages.

Tip: Use this tool to understand how substitution ciphers work and practice classic encryption methods.