SQL Schema Visualizer

Name: SQL Schema Visualizer
Author: khanakia

Free, fast, in-browser database schema visualizer. Paste PostgreSQL, MySQL, SQLite or ANSI CREATE TABLE DDL and get an interactive ER diagram with foreign keys and comments — entirely client-side, nothing leaves your browser.

Features

PostgreSQL / MySQL / SQLite / ANSI DDL parsing
Interactive ER diagram with foreign-key edges
Click-to-navigate tables and fields, column filter
SQL comment preservation (off / inline / hover)
Shareable diagrams via compressed URL
Light and dark themes, collapsible tables
100% client-side — no backend, no signup

Loading the interactive app…

This tool needs JavaScript to render the interactive diagram. The parser and rendering run entirely in your browser — no data is ever sent to a server.