CipherBox: Classic Ciphers
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About this app
CipherBox turns everyday text into classic ciphers and back again, for puzzles, escape-room clues, classrooms and hobby cryptography.
• Caesar shift with a live 1–25 control, so you can watch every letter move
• Vigenère with your own keyword, keeping spaces and punctuation in place
• Pigpen drawn as real symbols, with a 26-letter symbol picker for decoding
• ROT13 that encodes and decodes with the same step
• Results update as you type; copy or share them from the result card
• Save named setups to reuse a cipher and key later
• A short guide under each result explains how that cipher works
• Caesar shift with a live 1–25 control, so you can watch every letter move
• Vigenère with your own keyword, keeping spaces and punctuation in place
• Pigpen drawn as real symbols, with a 26-letter symbol picker for decoding
• ROT13 that encodes and decodes with the same step
• Results update as you type; copy or share them from the result card
• Save named setups to reuse a cipher and key later
• A short guide under each result explains how that cipher works
Encode and decode Caesar, Vigenère, Pigpen and ROT13 messages in one tap
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What’s new
Performance improvements and bug fixes
Everyone
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About the developer
程勇涛
hschengyongtao@gmail.com
蜀鑫东路88号金沙海棠
青羊区, 成都市, 四川省
China
610000
