Mockaroo AI

freemium

Generate realistic test data in CSV, JSON, SQL, and Excel formats with Mockaroo. Build mock REST APIs, automate data generation, and test your app under production-like conditions — no coding required.

Data & Analytics

Database Tools

Testing & QA Tools

About

Mockaroo is a powerful test data generator and API mocking platform designed to help developers, testers, and QA engineers simulate production-like conditions without manual data entry. Users can define custom schemas with over 100 built-in data types — including names, emails, IP addresses, medical IDs, and mobile device data — and export datasets in CSV, JSON, SQL, and Excel formats. The platform's AI-assisted field generation makes it easy to scaffold realistic schemas quickly, while its mock REST API feature allows teams to design and deploy fake back-end endpoints with custom URLs, responses, and error conditions — enabling parallel UI and API development. Schemas can be saved and accessed programmatically via a RESTful URL using curl, supporting automated test data pipelines in CI/CD workflows. Mockaroo is particularly valuable for teams that need to populate test databases with varied, realistic data to uncover edge cases such as unicode characters, apostrophes, and unusual input patterns. No programming knowledge is required to get started, and the tool supports team collaboration with role-based access controls. For enterprise use cases or air-gapped environments, Mockaroo is also available as a Docker image for private cloud deployment. Plans start at $60/year, with a free tier available for up to 1,000 rows.

Key Features

Multi-Format Data Export: Generate and download test datasets in CSV, JSON, SQL, and Excel formats, ready to load directly into your test environment or database.
AI-Powered Field Generation: Use AI to automatically suggest and generate schema fields, speeding up the process of creating realistic, context-appropriate test datasets.
Mock REST API Builder: Design fully custom mock APIs with configurable URLs, response bodies, HTTP status codes, and error conditions to enable parallel front-end and back-end development.
100+ Built-In Data Types: Choose from a rich library of data types including names, emails, addresses, IP addresses, medical IDs, passwords, mobile device data, and more.
Programmatic & Automated Access: Save schemas and use a RESTful API endpoint with curl to automate test data generation in CI/CD pipelines and shell scripts.

Use Cases

Populating a staging or QA database with thousands of realistic user records to stress-test application performance before launch.
Mocking a back-end REST API so front-end developers can build and test UI components independently without waiting for server-side implementation.
Generating diverse, edge-case-rich datasets containing unicode characters, special symbols, and varied formats to uncover hard-to-find input validation bugs.
Automating test data creation as part of a CI/CD pipeline using Mockaroo's REST API and saved schemas.
Creating realistic demo datasets to showcase application features to stakeholders or clients without exposing real user data.

Pros

No Programming Required: The intuitive web UI lets non-developers create complex, realistic datasets without writing a single line of code.
Free Tier Available: Up to 1,000 rows of data can be generated for free, making it accessible for small projects and individual developers.
Versatile Output Formats: Supports CSV, JSON, SQL, and Excel exports, covering virtually all common data ingestion and testing workflows.
Parallel Development Support: The mock API builder lets front-end and back-end teams work simultaneously, reducing bottlenecks in the development cycle.

Cons

Free Tier Row Limit: The free plan caps data generation at 1,000 rows per download, which may be insufficient for large-scale load or stress testing.
Paid Plan Required for Automation: Programmatic access via the REST API and advanced team collaboration features require a paid subscription starting at $60/year.
Limited Offline/Self-Hosted Options: Self-hosted deployment via Docker is available but targets enterprise users; most features assume cloud-based web access.

Frequently Asked Questions

Mockaroo's free tier allows you to generate up to 1,000 rows of test data per download. For larger datasets, paid plans start at $60/year.

Mockaroo supports CSV, JSON, SQL, and Excel (XLSX) output formats, making it compatible with most databases, APIs, and testing tools.

Yes. By signing in and saving your schema, you can use a RESTful URL with curl to programmatically download data, enabling automation in shell scripts and CI/CD pipelines.

Yes. Mockaroo includes a mock REST API builder that lets you define custom endpoints, response bodies, HTTP status codes, and error conditions to simulate a real back-end during development.

Yes. Mockaroo is available as a Docker image that can be deployed in your own private cloud or on-premises environment for teams with strict data privacy requirements.