Generate millions of rows across Postgres, MySQL, SQL Server, SQLite, and MongoDB with foreign keys intact. Design your schema visually or describe it in plain English. Free, no signup, no row caps.
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In addition to relational & JSON data
ML Training Datasets
SynthForge IO also generates publication-ready supervised learning datasets with full control over features, statistical distributions, class balance, train/test/validation splits, and data imperfections. Includes data quality reports and baseline model evaluation. No licensing issues, no vendor negotiations.
Feature distributions Class imbalance Train/test splits Data imperfections Quality reports Baseline evaluation
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Explore what SynthForge IO can do
Schema Design
AI-powered generation, visual drag-and-drop editor, SQL/JSON import, and built-in templates. One universal format for SQL and NoSQL.
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Data Generation & Export
100+ field types, 7 SQL dialects, 6 JSON structures, Parquet with 4 compression algorithms, MongoDB with embedded documents, CSV, and SQLite binary files.
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Free to Use
No sign-up fees, no credit card, no row caps, no trial timer. Everything included at zero cost.
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Start Designing Your Data Model
Design once, generate unlimited realistic datasets with referential integrity.