Random JSON Data Generator
Generate custom JSON data structures for testing and development instantly.
What is the Random JSON Generator?
The random JSON generator builds an array of fake person records you can drop straight into tests, mock APIs and demos. Each record is a JSON object with an id, a name drawn from a pool of first and last names, a matching email, a US-style phone number, and a short description with a random job role and years of experience.
You choose how many records to generate, from 1 to 100, and get nicely indented JSON ready to copy. It all runs in your browser with JavaScript - nothing you generate is uploaded or stored.
How to use the random JSON generator
- 1. Set the number of records you want (1-100).
- 2. Click Generate Random JSON.
- 3. The formatted JSON array appears in the output box - select and copy it into your test or fixture.
Features
- Realistic person fields: id, name, email, phone, description.
- Generates 1 to 100 records at a time.
- Pretty-printed, valid JSON ready to paste.
- Runs fully in your browser - nothing is uploaded.
- Free to use, no account.
Common uses
Seeding a database during development, stubbing an API response before the backend exists, populating a UI table or list with believable rows, or building fixtures for unit and integration tests. Fake-but-plausible data makes a demo look real without exposing anyone's actual details.
FAQ
Can I change which fields are generated?
Not on this tool - every record uses the same fixed shape: id, name, email, phone and description. You control the number of records and can edit the output by hand if you need different fields.
Is the data real?
No. The names, emails and phone numbers are randomly assembled from sample pools and do not belong to real people, which makes them safe to use in demos and tests.
Is my generated data uploaded?
No. Generation happens entirely in your browser with JavaScript, so nothing is sent to or stored on our server.
How many records can I generate?
Between 1 and 100 per click. Generate again for another batch if you need more.