Formatters
SQL Formatter
Tired of unreadable SQL queries? Our free online SQL formatter instantly prettifies your code, making complex joins and subqueries easy to follow with custom indentation.
Input
Output
SQL Dialect:
Keyword Case:
Indentation:
Tired of unreadable SQL queries? Our free online SQL formatter instantly prettifies your code, making complex joins and subqueries easy to follow with custom indentation.
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Did You Know?
SQL was first developed at IBM by Donald D. Chamberlin and Raymond F. Boyce in the early 1970s.
Best Practice
Use uppercase for keywords (SELECT) and lowercase for identifiers (table names) to improve query scannability.
SQL (Structured Query Language) is the standard language for managing and manipulating relational databases. As queries grow in complexity with multiple joins, subqueries, and window functions, they often become a 'wall of text' that is difficult to parse. Proper formatting ensures that the logical flow of data retrieval is obvious at a glance, making the code more maintainable for future developers.
Tip
Always use meaningful table aliases to keep formatted JOIN clauses concise and easier to follow.
For local development, consider using tools like SQLFluff for linting or editor-specific extensions such as SQLTools for VS Code. Many high-performing teams integrate SQL formatting into their CI/CD pipelines to ensure all database migration files meet strict standards before being merged into production branches.
Q: Which SQL dialects are supported? A: Our formatter works with standard SQL and is highly compatible with major dialects like MySQL, PostgreSQL, SQL Server, and SQLite.
Q: Does this tool store my query data? A: No, all formatting happens locally in your browser window, ensuring your sensitive database structures and queries remain private.
Q: Can I change how keywords look? A: Yes, you can toggle between uppercase and lowercase for keywords like SELECT, FROM, and WHERE to match your preferred coding style.