Caesar Cipher Decoder Online
If a message was shifted forward by 3, shifting it back by 3 restores the original text. Paste the encoded message to decode it.
Runs in your browser — your text is never uploaded or stored.
Encoded text
Decoded text
How to Use
- 1.Paste the Caesar-encoded text.
- 2.The decoder shifts every letter back by 3.
- 3.Copy the original message.
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FAQ
What if the message used a different shift?
Use the full Cipher Translator to try every possible shift at once.
Does it handle non-English alphabets?
Only the basic Latin alphabet is shifted. Other characters are left unchanged.
Need more options?
Pig Latin & Caesar Cipher Translator
Encode and decode Caesar cipher, ROT13, Atbash and Pig Latin online. Includes a brute-force view that shows all 25 Caesar shifts at once. Runs in your browser.