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Have feedback on our solver, spotted a quote typo, or have a suggestion for a new cryptanalysis tool? We'd love to hear from you.

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✉️ Direct Department Channels

General & Communityhello@cryptogramsolve.comGeneral inquiries, solver suggestions, and love notes.

Editorial & Quote Correctionseditorial@cryptogramsolve.comReport historical quote typos, author corrections, or translation notes.

Bug Reports & Technical Helpbugs@cryptogramsolve.comAlgorithm edge cases, display bugs, or keyboard navigation issues.

Classrooms & Educationeducation@cryptogramsolve.comQuestions about classroom worksheets, school clubs, or printable packs.

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Frequently Asked Questions

Quick answers to common inquiries before you write.

🔍 Found a typo or attribution error?

Please include the date of the daily puzzle or the puzzle URL and the corrected source. Our editorial team verifies quotes against Project Gutenberg and Wikiquote and updates them promptly.

🏫 Can I use cryptograms in my classroom?

Yes! All puzzles and educational solving guides are 100% free for teachers, students, schools, and non-commercial educational puzzle clubs. No special permissions or licensing fees required.

⚡ Why does the solver run in the browser?

Running our constraint satisfaction backtracking engine locally in client-side Web Workers ensures sub-millisecond responsiveness with zero server lag, and guarantees that your custom puzzle inputs remain 100% private.

🔥 How are my daily streaks saved?

Streaks are stored locally in your browser's localStorage. As long as you use the same browser and don't clear your browser site data, your solving history will remain preserved.