TOTP Generator
Generate time-based one-time passcodes from a Base32 secret.
Secret
Base32-encoded shared secret
Current code
About the TOTP Generator
Generate live TOTP codes from a Base32-encoded secret using HMAC-SHA1 via the Web Crypto API, with a live countdown ring and a ready-to-scan otpauth:// URI for authenticator apps.
Examples
Generate a code
JBSWY3DPEHPK3PXPOutput
6-digit code, refreshes every 30sRelated tools
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Frequently asked questions
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser