Caesar cipher maker
Scramble a message by shifting the alphabet and then dare a friend to crack it.
A→D
Secret message
Tip: tell your friend the shift number so they can decode it.
Shifts the 26-letter alphabet A–Z. Spaces and punctuation stay the same.
How to use this tool
- 1Choose whether you want to encode or decode a message.
- 2Type the message and move the shift slider.
- 3Copy the result and challenge someone to reverse the shift.
What you can learn
- A substitution cipher replaces each letter by a rule.
- The alphabet wraps around after its final letter.
- Encoding and decoding use opposite shifts.
✂️ Free printable
Cipher wheel template
2 pages · 138 KB
Want the why behind it?
Make a physical cipher wheel →Keep exploring
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