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Dev tools · March 21, 2019

JSON Generator

Tool for generating random data

JSON Generator launched on March 21, 2019 with 8 votes, #1,237 of 2,994 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 7 years on.

What it does

We've all faced the problem of lack of information in our app. All interfaces seem lifeless and empty. Debugging with no data is also not simple. It provides an opportunity generate any data and in any quantity. Edit template, click "Generate" and you're done.

JSON Generator is a tool for generating realistic looking random data for testing and API mocking.

Have you ever needed to craft mock data for API or script testing? Creating a single record of semi-realistic structured data isn’t that hard. But do it at scale, with say, thousands of records can be a daunting task. Enter JSON Generator , a tool that handles the heavy lifting for generating structured JSON objects, stuffed with sequenced and/or controllable random data. JSON Generator has an easy, but powerful templating language. Let's dive right in with some simple examples: Generated data is stored on the server. You can simply copy data and store it locally or fetch it through the API. JSON Generator has a convenient REST API. You can fetch your data with the HTTPfrom next.json-generator.com

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