Seedfast
Realistic synthetic test data for Postgres that inserts on first try.
Freemium - Free tier available to get started; paid plans for higher volume and enterprise features (details on site).
About Seedfast
Seedfast reads your live Postgres schema and generates realistic, relational test data that the database accepts on first insert. It preserves foreign-key relationships and uniqueness, matches column value distributions and table size proportions, and scales from hundreds to tens of millions of rows in one command — so you get production-shaped test data without touching real production data.
Key Features
- Reads live Postgres schema and seeds data that inserts on first try
- Preserves foreign keys, unique constraints, and realistic distributions
- Scales from hundreds to tens of millions of rows in a single run
- Generates production-shaped values (names, emails, timestamps, amounts)
- Avoids using production data — synthetic data only
Who is this for?
Developers, QA and data engineers who need realistic, scalable test data for Postgres without using production data.
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FreemiumFree tier available to get started; paid plans for higher volume and enterprise features (details on site).
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