Caesar Cipher Encoder & Decoder
Encrypt/decrypt with Caesar shift & ROT13, brute force. Free, private and runs in your browser.
About the Caesar Cipher Encoder & Decoder
The classic substitution cipher used by Julius Caesar — a fun way to learn cryptography basics.
100% free
No signup
Private – runs locally
Works on mobile
How to use the Caesar Cipher Encoder & Decoder
- Enter text.
- Choose shift.
- Encode, decode or brute force.
Frequently asked questions
Is the Caesar cipher secure?
No, it has only 25 possible keys. Use it for learning and puzzles only.
Is the Caesar Cipher Encoder & Decoder free?
Yes. Caesar Cipher Encoder & Decoder on Tooliphy is 100% free with no signup, no watermark and no usage limits.
Is it safe to use? Are my files uploaded?
Your data is processed directly in your browser and is never uploaded to our servers, so it stays completely private.
Does it work on mobile?
Yes, the tool works on Android phones, iPhones, tablets and desktops in any modern browser.
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