Create a Random JSON Array

Create a Random JSON Array with custom item count and value types. Instantly generate mock arrays with numbers, strings, and booleans.

Total characters: 0
Options
Include numbers
Include strings
Include booleans

How to Use:

Click “Generate” and the tool instantly creates a random JSON array. You can adjust how many items it includes by setting a number in the “Number of items” box. Then use the toggles to include or exclude numbers, strings, or booleans from the output. Your results appear on the right, and you’ll see a live character count update as you generate. When you’re happy with it, copy it, export to file, or clear and try again.

What Create a Random JSON Array can do:

Create a Random JSON Array helps you generate mock data fast whether you’re testing frontends, mocking APIs, or just playing around. You can choose the number of items and the kinds of values to include, and the tool builds a perfectly formatted JSON array for you. No typing, no brackets to match, just clean instant output. Everything updates live and stays in your browser.

Example:

Settings:

  • 6 items
  • Include numbers and booleans only

Output:

[
283,
false,
717,
92,
true,
644
]

Common Use Cases:

Use Create a Random JSON Array when you need clean mock data fast. It’s great for frontend UI placeholders, populating config examples, or testing data-driven components. Whether you’re a developer, tester, or designer, it helps you skip the manual formatting and get straight to what matters.

Useful Tools & Suggestions:

Once the array’s been created, Randomize a JSON Array can shake up the order if you want less predictability. Then, if you’re planning to use it in a URL or API, URL encode JSON keeps everything safe and transportable.