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OTP Code Generator
Secret Key
Secret Key (Hexadecimal)
Previous OTP
Start Timestamp
Current OTP
Iteration Count
Next OTP
Iteration Padding (Hexadecimal)
08Refresh after seconds

Product Introduction

Online OTP Code Generator is a powerful and easy-to-use online tool designed for users who need to enhance security authentication. Whether you are a developer, system administrator, cybersecurity expert, or anyone who needs to handle security authentication, this tool will meet your needs. It can instantly generate a Time-based One-Time Password (OTP) and automatically refresh it every 30 seconds, ensuring the timeliness and security of the password. Additionally, the tool also supports the generation of QR codes, making it convenient for users to quickly scan and use on mobile devices. With our Online OTP Code Generator, you can efficiently and accurately generate OTP codes, enhancing the security of systems and data.

Operation Guide

  1. Visit the Tool Page:
    Open your browser and visit our Online OTP Code Generator page.

  2. Enter the Secret Key:
    Enter the secret key you want to use to generate the OTP code in the input box. Ensure the format of the entered key is correct.

  3. Generate OTP Code:
    The tool will instantly generate a Time-based One-Time Password (OTP) based on the entered secret key and automatically refresh it every 30 seconds.

  4. View the OTP Code:
    The current OTP code will be displayed in the result box. You can preview the result to ensure the code meets your requirements.

  5. Generate QR Code:
    The tool also supports the generation of a corresponding QR code, facilitating quick scanning and use on mobile devices.

  6. Copy the Results:
    You can copy the generated OTP code and QR code for further use, making it convenient for application in system and data security authentication.

Our Online OTP Code Generator is not only simple to operate but also features high efficiency and accuracy, ensuring that you obtain the most secure OTP code in the shortest amount of time. Whether for daily security authentication or professional system management, it is an indispensable assistant. Experience our Online OTP Code Generator now and feel the convenience and efficiency of secure authentication!