Mockaroo

Mockaroo is an online mock data generation platform that helps developers, testers, QA engineers, and data analysts create realistic synthetic datasets for software testing, development, demonstrations, and prototyping. Instead of manually creating sample records, users can design custom data schemas and generate thousands—or even millions—of realistic records in formats such as JSON, CSV, SQL, Excel, XML, and more.

1. Custom Data Generation: Create realistic datasets using customizable schemas and over 150 built-in data types.
2. Multiple Export Formats: Export generated data as JSON, CSV, SQL, Excel, XML, TSV, and other supported formats.
3. Mock API Builder: Create mock REST APIs that return dynamic or static responses for frontend development.
4. Formula & Custom Logic: Generate complex relationships between fields using formulas, templates, and conditional logic.
5. Custom Datasets: Upload your own CSV or JSON files to generate realistic data based on existing datasets.
6. Developer API: Automate mock data generation through REST APIs for testing and CI/CD workflows.