OTP Generator

Cryptographically random OTPs

Free Online Tool

OTP Generator — Complete Guide & Instructions

Generate one-time passwords that are actually random — cryptographic RNG, configurable length (4–10 digits) and count (up to 20), ready to drop into your tests or systems.

How to Use OTP Generator

  1. 1 Enter digits and count like "6 x5".
  2. 2 Click Generate.
  3. 3 Copy the codes.

Key Features & Capabilities

  • Cryptographic randomness.
  • 4–10 digit lengths.
  • Up to 20 OTPs at once.