Caesar Cipher

Caesar Cipher Tool

Encrypt and decrypt text using the classic Caesar cipher method. A simple yet effective way to encode messages with a custom shift value.

🔐 Text Encryption & Decryption

Enter your text:

Shift Value (0-25):

3

Result:

📚 How Caesar Cipher Works

The Caesar cipher is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher where each letter in the plaintext is shifted a certain number of places down the alphabet.

Example: With a shift of 3, 'A' becomes 'D', 'B' becomes 'E', and so on. The method is named after Julius Caesar, who used it in his private correspondence.

To decrypt the message, you simply shift the letters back by the same number of positions.

🔒

Secure & Private

All processing happens in your browser. No data is sent to any server.

🚀

Fast & Efficient

Instant encryption and decryption with no delays or limitations.

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Completely Free

No subscriptions, no paid features, and no usage limits.

Caesar Cipher Tool © 2023 | A free tool for educational and personal use