How to Use Caesar Cipher Online — Caesar Cipher Encoder Free
The Caesar cipher is a simple substitution cipher used in education and puzzles. Shift letters by a fixed number to encode or decode messages.
Key Features: Shift 1-25 • Encode & decode • Alphabet preservation • 100% private • No registration required
How to use Caesar cipher
Step 1: Open the Caesar Cipher tool
Go to the Encryption page and click on the "Caesar Cipher" tab.
Step 2: Enter text and shift
Paste your text and set the shift value.
Step 3: Encode or decode
Click "Encode" or "Decode" to transform the text.
Frequently asked questions
What is Caesar cipher?
A substitution cipher where each letter is shifted by a fixed number.
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