Format and beautify SQL queries with proper indentation and syntax highlighting. Supports multiple SQL dialects including MySQL, PostgreSQL, SQL Server, and Oracle.
Formatting Options
Input SQL
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Formatted SQL
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About SQL Formatting
Why Format SQL?
Well-formatted SQL queries are easier to read, debug, and maintain. Consistent formatting helps teams collaborate and quickly understand complex queries. It also makes code reviews more effective. For more developer tools, visit For more developer tools, visit diffkit.dev.
Best Practices
- Use consistent keyword casing (typically UPPERCASE for SQL keywords)
- Indent nested queries and clauses for better readability
- Place each major clause (SELECT, FROM, WHERE, etc.) on a new line
- Align column names in SELECT statements when possible
- Use meaningful aliases for tables and columns
- Comment complex logic for future reference
Common SQL Clauses
SELECT - Choose columns to retrieve
FROM - Specify table(s) to query
WHERE - Filter rows based on conditions
JOIN - Combine data from multiple tables
GROUP BY - Group rows sharing a property
HAVING - Filter groups based on conditions
ORDER BY - Sort result set
LIMIT - Restrict number of rows returned