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What is SQL Formatter?
SQL Formatter is a free online tool that transforms messy, single-line SQL queries into beautifully indented, readable code. It supports MySQL, PostgreSQL, SQLite, and SQL Server dialects — handling SELECT, JOIN, subqueries, CTEs, and complex WHERE clauses. All formatting runs locally in your browser.
How to use SQL Formatter
1
Paste your SQL query
2
Click Format — the tool auto-detects your SQL dialect
3
Review the formatted output with proper keyword capitalization and indentation
4
Copy and use in your database client or code
Common use cases
- Making complex queries readable during code review
- Formatting SQL from logs or ORM query dumps
- Teaching SQL with clean, readable examples
- Debugging nested subqueries and CTEs
Frequently Asked Questions
Which SQL dialects are supported?
MySQL, PostgreSQL, SQLite, and SQL Server — the formatter adapts keyword casing and quoting conventions automatically.
Can I format multiple queries at once?
Yes — paste multiple statements separated by semicolons and each will be formatted independently.
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