TOTP / 2FA Code Generator

Generate time-based one-time passwords (TOTP) from a Base32 secret.

Base32 secret

Digits

Period (s)

Hash

Current code

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refreshes in 20s

Codes are computed locally with the Web Crypto API. Try the sample secret in any authenticator app to verify.

Compute HMAC (SHA-1/256/384/512) of a message with a secret key.

Create a signed HS256/384/512 JSON Web Token from a payload and secret.

Generate strong random passwords or diceware passphrases, locally.

Command Palette