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SHA Hash Generator

100% client-side. Your data never leaves this page. Verify: DevTools → Network.

Algorithm:
Output:
Input text 0 bytes
Digest

Generate a cryptographic hash of any text using SHA-1, SHA-256, SHA-384 or SHA-512, shown as lowercase hex or Base64. Hashing happens in your browser through the Web Crypto API (crypto.subtle.digest) — the input never leaves the page, so it's safe for secrets and tokens. Note: MD5 is intentionally omitted because it is cryptographically broken and the Web Crypto API does not provide it.