Input SQL
Supports PostgreSQL, MySQL, SQLite, SQL Server, and Oracle. Smart data based on column names & types.
Generated INSERT Statements
Paste CREATE TABLE statements and click Generate to create realistic test data.
🔄 Evolving your schema?
After you generate test data, use SchemaLens to compare schema versions and generate safe migration scripts.
Compare Schemas Free →How It Works
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Smart Column Detection
Recognizes email, name, price, status, created_at and 30+ other patterns to generate realistic data.
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5 Dialects Supported
PostgreSQL, MySQL, SQLite, SQL Server, and Oracle. Respects dialect-specific syntax like RETURNING and TOP.
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Bulk Generation
Generate up to 500 rows per table in one click. Perfect for seeding development databases and writing integration tests.
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Privacy-First
All generation happens in your browser. Your schema and data never leave your machine.