A powerful, privacy-focused web-based tool for generating and testing TOTP (Time-based One-Time Password) and HOTP (HMAC-based One-Time Password) codes. Designed for developers, security professionals, and anyone who needs to test authenticator app implementations without compromising their sensitive credentials.
cryptography otp totp hotp authenticator mfa two-factor-authentication multi-factor-authentication 2fa security-tools rfc6238 otp-generator rfc4226 security-testing qr-code-generator privacy-focused totp-generator hotp-generator authenticator-app authentication-testing
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Updated
Nov 1, 2025 - HTML