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TOTP Generator

Generate time-based one-time passwords (RFC 6238) entirely in your browser.

For testing only — never paste real production secrets into any web tool. Store secrets securely in a dedicated authenticator app or secrets manager.

Current Code

30s remaining

Enter a valid Base32 secret above to generate codes.

Algorithm: HMAC-SHA1 (RFC 6238)

Period: 30 seconds

Digits: 6

Crypto: SubtleCrypto — runs entirely in your browser

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