Openlearnia

← All tools

Database Lab

Browser

Visual schema builder with integrated PGLite.

Design tables, columns, and relations on a canvas, apply DDL to an in-browser Postgres (PGLite), then run SQL queries and browse data. Combines the former Schema Builder and PGLite Playground.

Open app GitHub
Platform Browser
Live app https://schema-builder.openlearnia.com
Source https://github.com/openlearnia/schema-builder
Privacy Runs locally — nothing leaves your device

Features

  • Visual table/column editor with relation edges
  • Canonical SchemaIR with deterministic SQL generation
  • Integrated PGLite — apply schema, run SQL, browse data
  • Local autosave, revision history, and IndexedDB persistence