Cipher

Your notes. Encrypted. Private.

Notes encrypted on-device with AES-256-GCM and Argon2id. No account. No cloud. No way for anyone else to read them.

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Cryptography you can trust

Cipher uses the same primitives that protect financial systems and government communications. Your passphrase never leaves your device — there is no server, no account, and no reset mechanism.

AES-256-GCM Encryption
Argon2id Key derivation
64 MB · t=3 Memory hardness
100% On-device Storage

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