Design your data structure and generate bulk mock records locally.
No data generated yet
Configure your schema and hit Generate
Data is generated entirely in your browser. Perfect for secure, sensitive testing environments.
Supports name, email, phone, uuid, boolean, address, city, country, company, job, date, url, color, currency, and numeric ranges like number(10-500).
Export to CSV for Excel/Sheets or JSON for mock APIs and frontend development with one click.
View, edit and format JSON with validation.
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Edit CSV files with a spreadsheet-like interface.
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Test APIs with a Postman-like interface.
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Chat with CSV, Excel & JSON data. Spree writes & runs code to analyze locally.
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Use schema-driven mock data generation to speed up UI development, API testing, and analytics prototyping.
A schema-first workflow keeps your test data consistent across frontend, backend, and QA scenarios.
Generating rows in bulk from reusable field patterns reduces repetitive manual setup.
JSON output supports API stubs and local development mocks.
CSV output fits spreadsheets and import workflows for no-code or BI analysis.
Can I generate both JSON and CSV outputs?
Yes. You can preview data in table/JSON views and export both JSON and CSV files.
Does schema data generation happen locally?
Yes. All generation and export actions run entirely in your browser.