SQL Formatter is a free online tool that transforms messy, unreadable SQL queries into clean, well-structured code. Whether you're working with simple SELECT statements or complex multi-table JOINs with subqueries, the formatter handles it all.
Proper SQL formatting is essential for code maintainability and team collaboration. Studies show that well-formatted code reduces debugging time by up to 50% and makes code reviews significantly more efficient. This tool uses the widely-adopted sql-formatter library trusted by thousands of developers.
Code Review
Format SQL for clearer, more readable code reviews
Documentation
Beautify SQL queries for technical documentation
Learning SQL
Understand query structure by formatting complex SQL
Query Debugging
Spot errors easily in well-formatted SQL queries
What SQL dialects does the formatter support?
The formatter supports Standard SQL, MySQL, PostgreSQL, SQLite, T-SQL (Microsoft SQL Server), and PL/SQL (Oracle). Each dialect handles syntax differences like quoting styles and dialect-specific keywords.
Does the SQL formatter handle complex queries?
Yes, the formatter handles complex queries including subqueries, CTEs (Common Table Expressions), JOINs, window functions, and nested conditions. It properly indents nested structures for readability.
What is SQL minification?
SQL minification compresses your SQL query into a single line by removing unnecessary whitespace and comments. This is useful for embedding SQL in code strings or reducing payload size in API calls.
Is my SQL data safe?
Absolutely. All formatting happens entirely in your browser using JavaScript. Your SQL queries never leave your device and are never sent to any server.
Can I use this for production SQL formatting?
Yes, the formatter uses the industry-standard sql-formatter library which is widely used in production tools. You can safely use the formatted output in your codebase, documentation, or database tools.
Privacy First
All SQL formatting happens in your browser. Your queries never leave your device.