JSON fixtures
Create structured JSON test payloads.
Runs in your browser
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Your result will appear hereAdd your input, choose the options and run the tool.
Your input stays on this device. Nothing is uploaded or saved.
About JSON fixtures
Generate JSON arrays of predictable test records with selected field names.
When to use it
Prepare a small API fixture or empty-to-populated UI test.
[{"id":1,"name":"Example 1","email":"[email protected]","active":true}]How to use it
- Choose the record count and fields.
- Generate and copy or download the array.
Limits & privacy
Up to 1,000 records and 32 fields. Known sample fields have useful types; other fields receive labeled string values. Data is synthetic.
Use this tool from the API reference or connect through the SDK, CLI, SSH, or MCP. Hosted calls share your plan allowances.