Synthetic Data Generator

Generate realistic test data with customizable schemas, relationships, and error rates

Upload Schema File

Upload your schema in JSON, YAML, or CSV format

📁

Drag & drop your schema file here

or

Supported: JSON, YAML, CSV

Or load an example schema:

Loaded Schema:

Schema Builder

Define your data structure manually

Define Relationships

Set up relationships between your entities

Relationship Diagram

Generation Settings

Output Format

JSON CSV SQL XML

Number of Records

Enter any positive number (large amounts may take longer)

Error/Noise Settings

Introduce realistic imperfections in your data

Null Values Rate (%) 0%

Typo Rate (%) 0%

Format Error Rate (%) 0%

Duplicate Rate (%) 0%

Outlier Rate (%) 0%

Locale

Seed (for reproducibility)

Use the same seed to generate identical data across runs

Generate Data

Summary

No schema loaded. Please upload or build a schema first.