Mock JSON Generator
Generate arrays of mock JSON records from a simple field schema.
About the Mock JSON Generator
Design a schema with named fields and types like name, email, uuid, integer, boolean, date, and lorem text, then generate a ready-to-use JSON array of mock records for testing and prototyping.
Popular uses
- mock data
- json
- fake data
- test data
- schema
Examples
Two-field schema
JSONid: uuid, name: nameOutput
JSON[{"id":"...","name":"Ada Lovelace"}]Keyboard shortcuts
- Copy the main outputCtrl / ⌘ + Shift + C
- Download the resultCtrl / ⌘ + S
- Share this toolCtrl / ⌘ + Shift + S
- Reset the inputsAlt + R
- Open the tool search paletteCtrl / ⌘ + K
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Frequently asked questions
Read more
- JSON Schema validation in real projects
Beyond 'required fields' — writing JSON Schemas that catch real bugs, choosing a validator, and using schemas as living documentation.
Version 1.0.0 · Updated 2026-08-06 · Runs entirely in your browser