Random JSON Generator

Generate random nested JSON structures for testing parsers, APIs, and UIs.

Keys per object: Max nesting depth: Wrap in an array Array items:

How to Use

1
Set width and depth
Keys per object and maximum nesting level.
2
Optionally wrap in an array
Generate N independent records at once.
3
Generate and copy
Valid, pretty-printed random JSON every time.

Frequently Asked Questions

: Objects with realistic key names (id, name, status, tags…) holding a random mix of strings, numbers, booleans, nulls, arrays, and nested objects — controlled by your depth and key-count settings.

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