One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers.
JavaScript
1441
84
MIT License
OTPAuth is a lightweight, standards‑compliant library that generates and validates HMAC‑based (HOTP) and time‑based (TOTP) one‑time passwords for use in MFA/2FA workflows. It works across Node.js, Deno, Bun and browsers, offering flexible configuration, secret handling and QR‑code‑compatible URI support, making it suitable for developers building authentication systems.
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