Unlimited Test Data Generator
Generate fake data in JSON, CSV, SQL, XML & TypeScript — instantly, in your browser. 58+ field types, 80+ locales, zero limits, zero signup.
JSONCSVSQL INSERTXMLTypeScript Interface
58+ Field Types by Category
Company
Commerce
Vehicle
Custom
Why TestDataGen?
🚀
No Limits
Generate 10 rows or 100,000. No daily quota, no signup wall.
🔒
100% Client-Side
Your data never leaves your browser. Zero server calls.
⚡
Instant Output
Results appear immediately. Copy or download in one click.
Frequently Asked Questions
Is there a row limit?
No. Because everything runs in your browser, you can generate as many rows as your device can handle. There are no server-side limits or daily quotas.
Is my data sent to a server?
Never. TestDataGen is 100% client-side. Your generated data never leaves your browser.
What output formats are supported?
JSON, CSV, SQL INSERT statements, XML, and TypeScript interfaces. You can copy to clipboard or download as a file.
Can I customise field names?
Yes. Every field has an editable column name, so your output matches your exact schema.