Cryptography
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Learn, explore, and break ciphers with hands-on tools

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Your Cipher Toolkit

Interactive tools for encoding, decoding, and understanding classic and modern ciphers

Caesar Cipher

The classic shift cipher used by Julius Caesar. Shift letters by a fixed number to encode your messages.

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Vigenère Cipher

A polyalphabetic cipher using a keyword. More secure than simple substitution ciphers.

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ROT13

A simple letter substitution cipher that replaces a letter with the 13th letter after it.

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Hexahue

Convert text to colorful hex codes. A visual and fun way to encode messages.

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Base64

Binary-to-text encoding scheme. Commonly used in data transmission and storage.

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Substitution

Replace each letter with another letter. Create your own custom cipher alphabet.

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Security ThroughUnderstanding

bentwrench is your hands-on playground for cryptography and security research. Learn by doing with interactive cipher tools, explore real-world OSINT techniques, and dive into documented investigations.

Whether you're a student, security enthusiast, or CTF player, these tools help you understand how encryption works by actually using it.

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12+ Cipher Tools

From Caesar to modern

50+ OSINT Resources

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Real Investigations

Documented case files

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Start with Caesar Cipher

The perfect introduction to cryptography

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Khoor Zruog
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Dive into interactive cipher tools, OSINT resources, and real security investigations

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