Schema Playground
Paste your DDL. Get synthetic data.
The same engine that powers Weavori's one-command CLI, running right here. It reads your foreign keys, column types, defaults, and constraints, then generates rows in dependency order so every child references a real parent. Preview shows 3 rows per table. The export gets 20.
Paste your schema and press Generate. Nothing is stored and no database is required.
What the playground generates
This is a free Postgres sample data generator that runs in your browser. Paste CREATE TABLE statements and Weavori reads them the same way it reads a live database: column types, enums, defaults, primary keys, and foreign keys. Parent tables generate before their children, so every foreign key in the sample points at a row that exists. Names, emails, prices, and dates look real because the same semantic engine that fills production databases fills these columns. The preview shows 3 rows per table, the JSON export gets 20. No install, no signup, no database required.
The identical parser ships in the CLI. See how DDL paste mode works.
When you outgrow the browser
The playground produces samples. The CLI produces a full database at any scale: millions of rows, values shaped like your real data, computed columns from your formulas, and direct writes into any target Postgres database. Take the schema you just tested, run one command, and the samples become your staging environment. Start with the PostgreSQL data generator guide, or run the command below.