Resources

Puzzle Information

• SFAS
• Cyclopedia Of Puzzles
• Acme's "Have You Tried" (PDF)

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Cipher Identifiers

• enigmatics Bruteforcer
• Dcode Cipher Identifier
• Boxentriq Cipher Identifier

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Catalogs of Tools

• Decipher
• Kryptografie
• Scwf Dima Ninja
• Dcode Tools List
• Geocaching Toolbox
• Rumkin Cipher Tools
• Red Luth Riddle Tools
• Notpron Reddit Tools List

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Multi-purpose Decoders

• Xlate
• Cryptii
• CyberChef
• Cryptii V2

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Puzzle Hosting Sites

• ScrapTf
• WeChall
• RiddleHell
• CtfChallenge
• HackerGateway