OTP Generator & Validator

Security: Each OTP can only be used once
Time-based: Usually expires within 30-60 seconds
2FA: Commonly used in two-factor authentication
Delivery: Sent via SMS, email, or authenticator apps
Usage: Banking, email, social media, and secure applications

OTP Length

OTP Type

Enter OTP

Expected OTP (for demo)

A One-Time Password (OTP) is a security mechanism that provides a single-use password for authentication.