Turn SQL queries into visual flowcharts
Paste any SQL query and instantly see an interactive diagram of your joins, filters, subqueries, and data flow. Built for backend developers and data analysts.
SELECT u.name, o.total, p.title FROM users u INNER JOIN orders o ON u.id = o.user_id LEFT JOIN products p ON o.product_id = p.id WHERE u.active = true AND o.created_at > '2024-01-01' ORDER BY o.total DESC LIMIT 50
How It Works
Paste Your SQL
Drop in any SELECT, JOIN, subquery, or CTE — the parser handles complex queries automatically.
Parse & Analyze
The SQL AST is extracted and converted into a graph structure mapping every table, join, and filter.
Explore the Diagram
An interactive flowchart renders instantly. Pan, zoom, and click nodes to inspect query details.
Simple Pricing
One plan. Everything included.
- ✓Unlimited SQL queries
- ✓Interactive flowchart diagrams
- ✓Export diagrams as PNG/SVG
- ✓Query history & saved diagrams
- ✓Support for CTEs & subqueries
- ✓Priority email support
Cancel anytime. No contracts.
FAQ
Which SQL dialects are supported?
SQL Query Visualizer supports standard SQL as well as popular dialects including PostgreSQL, MySQL, SQLite, and SQL Server syntax.
Can I visualize complex queries with CTEs and subqueries?
Yes. The parser handles CTEs (WITH clauses), nested subqueries, multiple JOINs, GROUP BY, HAVING, and window functions — all rendered as clear, navigable diagrams.
Is my SQL data stored or shared?
Your queries are stored securely in your private account and are never shared or used for training. You can delete your history at any time.