Hash / HMAC

Hash / HMAC — SHA-256, SHA-512, MD5

Strictly client-side. Hash ≠ encryption. MD5/SHA-1 are legacy checksums only.

PrivacyText, files, and HMAC secrets never leave the browser or go into the URL.

Hash / checksum ≠ encryption. Do not use SHA-256 for password storage — prefer Argon2id, bcrypt, or scrypt. MD5 and SHA-1 are legacy checksums only.

Text (UTF-8)UTF-8 bytes: 5

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