🔐 Caesar Cipher Encryption

A simple web app that encrypts text using the Caesar cipher algorithm — shifting each letter by a user-specified key.
Built with HTML, CSS, and JavaScript

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Live Demo

👉 Open the Caesar Cipher App

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🧠 How It Works

1. Enter any text in the text box.
2. Enter a key (a number that determines how many letters to shift).
3. Click Encrypt to see your encrypted message.

Example: Plaintext: HELLO Key: 1 Ciphertext: IFMMP

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🛠️ Technologies Used

• HTML
• CSS
• JavaScript

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💡 About the Caesar Cipher

The Caesar cipher is one of the oldest and simplest encryption techniques, invented by Julius Caesar.
It replaces each letter with another letter a fixed number of positions down the alphabet.

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👨‍💻 Author

Developed by Brian Kasi (Kbryaann)
Licensed under the MIT License. Updated on Fri Oct 31 20:11:49 UTC 2025