Mock Data Generator

Generate realistic fake data for testing. Names, emails, phones, and more. 100% private—your data stays in your browser.

No uploadsNo signupInstant results
1

Define Schema (Optional)

Upload JSON schema or use defaults.

2

Generate Data

Create realistic fake values.

3

Download Result

Get your test data as CSV or JSON.

Click to upload or drag & drop

Supported files: CSV, TXT, JSON (Max 20MB)

Drop your file here

or click to browse

Optional: JSON schema defining columns. Leave empty for default.

Max 20MB 100% Private

What This Tool Does

This tool generates realistic fake data based on your schema. Perfect for testing, demos, and development without exposing real user information.

How It Works

1Optionally upload a schema JSON defining columns.
2Choose output format (CSV or JSON) and row count.
3The tool generates realistic fake values.
4Download your test data.

Input Format

Optional schema JSON defining column types.

Output Format

CSV or JSON file with generated test data.

When to Use This Tool

  • Creating test databases.
  • Building demos without real data.
  • Performance testing with realistic volumes.

Frequently Asked Questions

UUID, name, email, phone, address, number, boolean, date, and custom enum values.

No, we have a sensible default schema. But you can customize columns by uploading a schema JSON.