Hash Generator
Generate checksums and message digests for text or files. SHA family uses the browser's Web Crypto; MD5/CRC32 are computed locally. Nothing is sent anywhere.
Input
Large files are hashed in-memory locally.
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A hash proves integrity, not confidentiality — it is not encryption. MD5 and SHA-1 are broken for security use; prefer SHA-256+ for anything sensitive. HMAC proves authenticity with a shared key.