🏛️ Caesar Cipher

Apply the Caesar cipher with a shift from 1 to 25. Used by Julius Caesar, this shifts every letter by a fixed number of positions.

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📖 How to use the Caesar Cipher

The Caesar Cipher caesar cipher with custom shift. It runs entirely in your browser — nothing is sent to a server.

Steps

  1. Paste or type your text in the Input box above.
  2. Click Run Caesar Cipher (or use the Load sample button to try it first).
  3. Copy the result with one click.

Tips

  • Your text stays on your device. We never upload or store it.
  • The tool works offline once the page has loaded.
  • Need to do this often? Bookmark this page and come back anytime.

About the Caesar Cipher

Apply the Caesar cipher with a shift from 1 to 25. Used by Julius Caesar, this shifts every letter by a fixed number of positions.

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