What is the Mock JSON Generator?
Generate an array of realistic mock records. The Mock JSON Generator is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other Generators tools on DevNibble such as Password Generator, Lorem Ipsum Generator, Random String Generator.
How to use the Mock JSON Generator
- Choose the options you want.
- Click Generate to create your output.
- Copy or download the results.
Features
- Runs 100% in your browser — your data is never uploaded or stored.
- Free forever, with no account, no ads and no tracking.
- Copy or download your result in one click.
- Fast and responsive on desktop, tablet and mobile.
Frequently asked questions
Is the Mock JSON Generator free to use?
Yes — Mock JSON Generator is completely free with no sign-up, no ads and no limit on how many times you can use it.
Is my data private when I use the Mock JSON Generator?
Everything happens locally in your browser. Your input is never sent to a server, which makes Mock JSON Generator safe to use with private or sensitive data.
How do I use the Mock JSON Generator?
Choose your options and click Generate. Every result can be copied with a single click.
Are the generated values unique?
Mock JSON Generator generates fresh values locally each time you run it, using secure randomness where it matters. Generate an array of realistic mock records.