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Create Caesar Cipher Puzzles

Encode hidden messages in Caesar cipher for scavenger hunts, escape rooms, and puzzle challenges.

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Shifts each letter by 13. Self-inverse β€” applying it twice returns the original.

Input
Output
Gur dhvpx oebja sbk whzcf bire gur ynml qbt.

Puzzles tips

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Choose a shift of 3 (the original Caesar shift) for classic puzzle design. Players who know history will try 3 first.

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For harder puzzles, use a shift that doesn't have an obvious mnemonic. Shift 7 or 17 are harder to guess than 1, 3, or 13.

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Frequency analysis: in English, E is the most common letter. If you see lots of H in the ciphertext, the shift might be 3 (E+3=H).

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For escape rooms, hide the shift number in a visual clue. A clock showing 7 o'clock is the key to a shift-7 cipher.

Hoe het werkt

1
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2
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3
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βœ“Volledig gratis β€” geen verborgen kosten, ooit
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