JSON Generator
Build a schema and generate realistic fake JSON data instantly.
Preset
Records
Schema
No fields yet. Add one or pick a preset.
Output
Add fields to get started.
How it works
- 1 Add fields and choose a data type for each (name, email, UUID, number, date, and more).
- 2 Set how many records to generate (up to 1,000).
- 3 Click Generate, then copy or download the resulting JSON array.
Why use this tool
- ✓ Generates realistic fake data — not just random strings.
- ✓ No API calls or rate limits — runs instantly in your browser.
- ✓ Output copies directly into code or test fixtures.
- ✓ Download as a .json file with one click.
Use cases
- → Seeding development databases with realistic data.
- → Creating mock API responses for frontend prototyping.
- → Populating test fixtures in unit and integration tests.
- → Demoing UI components with plausible-looking content.
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JSON Formatter
Format and validate the JSON data you have just generated.
UUID Generator
Generate UUIDs to use as id fields in your fake records.
Word Counter
Count tokens and characters in generated JSON payloads.
Image Compressor
Compress image assets referenced in your generated data.
File Sender
Share generated JSON files via a secure, expiring link.