Test Data Generator
Generate test cases, benchmark records, and database rows in multiple developer formats. Instant download configuration.
Free Mock Data Generator & Dummy Database Creator
The Mock Data Generator is an online developer tool designed to generate custom mock datasets for testing APIs, populating databases, or benchmarking applications. Choose from standard templates, define custom record sizes, and export data instantly in JSON, XML, YAML, CSV, or TOON notations.
Flexible Schema Templates
Instantly compile complex mock databases for user profile collections (with fake names, emails, and active flags), server log streams (with levels, HTTP methods, paths, and status codes), or e-commerce product catalogs.
Fast Client-Side Generation
All mock records are generated locally in your browser memory. No data is stored or uploaded to external servers, providing full speed and enterprise privacy compliance.