Key capabilities
- Multiple tables, foreign keys, and complete database templates
- Visual field and nested-schema designer
- Unique, null, range, enum, and template constraints
- JSON, CSV, SQL, YAML, XML, and Excel exports
Structured Mock Data Generator
Design a single table or a relational dataset locally in your browser and generate localized data with faker-js/faker. Supports foreign keys, dependency ordering, nested fields, uniqueness, null probability, ranges, enums, templates, and sequences, plus relational SQL DDL, multi-sheet Excel, JSON, CSV, TSV, YAML, and XML exports.
About Structured Mock Data Generator
Generate reproducible relational test data with foreign keys. Design a single table or a relational dataset locally in your browser and generate localized data with faker-js/faker. Supports foreign keys, dependency ordering, nested fields, uniqueness, null probability, ranges, enums, templates, and sequences, plus relational SQL DDL, multi-sheet Excel, JSON, CSV, TSV, YAML, and XML exports. The core workflow is designed to run in your current browser.
Useful for
- Generate database seeds and demo data
- Create API fixtures and automated-test samples
- Fill prototypes, tables, and dashboards with realistic content
Frequently asked questions
Is Structured Mock Data Generator free to use online?
Yes. Structured Mock Data Generator opens in a modern browser and does not require desktop software installation.
What is Structured Mock Data Generator useful for?
Common use cases include Generate database seeds and demo data; Create API fixtures and automated-test samples.
Is my input or file uploaded?
The core processing workflow is designed to run locally in the browser. Key capabilities include Multiple tables, foreign keys, and complete database templates, Visual field and nested-schema designer, Unique, null, range, enum, and template constraints; account, comments, and anonymous analytics may still create normal site requests.
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