Generate Random JSON

Random JSON Generator

Random JSON Generator


The Random JSON Generator or Generate Random JSON is a web-based tool designed to generate random JSON data. JSON (JavaScript Object Notation) is a lightweight data-interchange format commonly used for transmitting data between a server and a web application. This tool allows users to quickly generate sample JSON data for testing or demonstration purposes.

Steps to Use:

  1. Open the Random JSON Generator webpage in your web browser.
  2. Click on the "Generate Random JSON" button.
  3. The tool will generate random JSON data based on predefined templates.
  4. The generated JSON data will be displayed in the designated area on the webpage.
  5. You can copy the generated JSON data and use it in your applications or projects as needed.


  • Name: Generates a random alphanumeric string for the name field.
  • Age: Generates a random number between 18 and 100 for the age field.
  • Email: Generates a random email address using a predefined list of domains.
  • Address: Generates a nested object containing random strings for street, city, and country fields.
  • isStudent: Generates a random boolean value indicating whether the person is a student or not.
  • Grades: Generates an array of random numbers representing grades, with a specified length and range.


  • Efficiency: Quickly generate sample JSON data without the need for external tools or libraries.
  • Customization: Easily modify the code to adjust the structure and content of the generated JSON data according to your requirements.
  • Versatility: Use the generated JSON data for testing APIs, creating mock data for applications, or demonstrating data visualization techniques.


Q: Can I customize the structure of the generated JSON data? A: Yes, you can modify the JavaScript code to customize the structure and content of the generated JSON data according to your specific needs. You can add, remove, or modify fields and their corresponding values as required.

Q: Is the generated JSON data suitable for production use? A: While the generated JSON data is suitable for testing and demonstration purposes, it may not be suitable for production use without further validation and customization. It's essential to ensure that the generated data meets the specific requirements of your application or project before using it in a production environment.

Q: How can I ensure unique values in the generated JSON data? A: You can implement additional logic to ensure unique values in the generated JSON data, such as checking for duplicate values or using unique identifiers for each record. Depending on your requirements, you may need to modify the code accordingly.