Test Data Generators

Build your own custom JSON structure using our easy-to-use GUI or import from an existing JSON schema. Then, sit back and let Mock Turtle generate random data based on your provided structure. It generates random data in real time as you build your tree structure.

Generate random data for testing purposes including names, streets, cities, numbers, phone, reversed regular expressions... Free without any registration required!

A fully customizable random data generator that returns results in JSON/CSV/SQL/YAML via API. Rather than testing out your applications with arbitrary data such as "asdf", "blah", "user1", etc.

Generate millions of rows of mock data for PostgreSQL, MySQL, MongoDB, SQLite, JSON, and CSV. Import SQL schemas, maintain referential integrity with foreign keys, and download instantly.

DDL to Data lets developers generate realistic, type-aware test data by simply pasting their CREATE TABLE statements. The API intelligently detects column names and types, automatically generating appropriate emails, phone numbers, names, dates, and more.

DataMaker is a flexible test data generation and management tool built for QA engineers, testers, and developers.