Explore our collection of 150+ developer tools, PDF editors, and image converters. Everything runs locally in your browser.
Related Developer Tools
Ubify Core Engineering Team
SOFTWARE ENGINEERS & SYSTEMS ARCHITECTS
About This Tool
The Mock JSON Server Generator creates mock JSON collections specifically tailored for local json-server instances, MSW (Mock Service Worker) handlers, and rapid frontend component testing. Select your desired entity count between 1 and 20 records. The generator constructs structured JSON items containing auto-incrementing integer IDs, standard v4 UUIDs, realistic user names, work email addresses across custom test domains, professional roles, active status booleans, and randomized account balance floats.
The generated output is displayed in a formatted, syntax-highlighted code viewport with a one-click clipboard copy button. This eliminates manual JSON drafting when bootstrapping new prototypes, unit tests, or Storybook component states. All mock JSON records generate strictly in-browser using standard Web Crypto and JavaScript array manipulation without server roundtrips.
How to Use
- 1
Set the desired item count slider between 1 and 20 records.
- 2
Review the real-time generated JSON collection in the code viewport.
- 3
Click the Copy button to copy the raw formatted JSON array to your clipboard.
- 4
Paste the JSON directly into your db.json file or API mock handler.
Frequently Asked Questions
Can I use this generated JSON directly with json-server?
Yes. The output is a valid JSON array of objects with standard id properties, ready to be pasted directly into a json-server db.json file.
How are the UUIDs created?
UUIDs are generated locally using your browser native crypto.randomUUID() method, ensuring compliant RFC 4122 version 4 identifiers.
Is any generated data uploaded or saved to a server?
No. All array building and serialization run strictly on-device in your local browser window.