Online Tool Store
Lorem JSON Generator
Create browser-only sample JSON payloads with configurable record counts, fields, nested metadata, and one-click copy or download controls for development work.
🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.
Mock API data
Generate sample JSON
How it works
- Set the number of records and your root collection key.
- Choose the data fields your fixture should include.
- Generate, copy, or download valid formatted JSON.
FAQ
Is the generated JSON valid?
Yes. The preview uses JSON.stringify to create properly formatted JSON.
Can I customize the fields?
You can set the root key, record count, and optional email, status, and nested metadata fields.
Is any mock data sent to a service?
No. The sample payload is generated entirely in your browser.
How we compare
| Feature | Online Tool Store | Hand-written fixtures | API mock platform |
|---|---|---|---|
| Ready JSON payload | Instant | Manual | Configured service |
| Custom record count | Yes | Manual | Yes |
| Local-only generation | Yes | Yes | Varies |
Use this generator when you need a compact sample payload quickly. Use an API mock platform when you need hosted endpoints or complex response rules.