SQL Formatter & Validator Pro

Format, validate, and optimize SQL with enterprise-grade precision and multi-dialect support

SQL Input

0 lines 0 chars 0 keywords Low

Formatted Output

Indent Size

Keyword Case

Line Width

Preserve Comments

Align Statements

Remove Extra Spaces

How to format SQL queries online?

Format and validate SQL queries with our professional SQL formatter. Support for multiple dialects, syntax highlighting, and query optimization. Features include formatting options, validation, and integration with database development workflows.

Features

Multi-dialect SQL support (MySQL, PostgreSQL, SQL Server, Oracle, SQLite)
Professional formatting with customizable indentation and keyword casing
Real-time syntax validation with detailed error reporting
SQL minification for production optimization
Operation history with undo/redo capabilities
File upload and drag-drop support
Copy to clipboard and download functionality

How to use

Paste your SQL query into the input area or upload a .sql file
Select your SQL dialect (MySQL, PostgreSQL, SQL Server, etc.)
Configure formatting options like indent size and keyword case
Click 'Format SQL' to beautify your query
Use the Validator tab to check for syntax errors
Use the Minifier tab to compress your SQL for production
Copy the formatted result or download it as a file

Tips & Best Practices

Always validate your data before processing to catch syntax errors early.
Use the copy button to quickly transfer formatted output to your clipboard.
For large files, consider breaking them into smaller chunks for better performance.
Back up your original data before applying any transformations.
Use keyboard shortcuts for faster workflow: Ctrl+A to select all, Ctrl+C to copy.

FAQ

What SQL dialects are supported?

We support MySQL, PostgreSQL, SQL Server, Oracle, SQLite, MariaDB, and BigQuery with dialect-specific syntax validation and formatting rules.

Can I format large SQL files?

Yes, our SQL formatter can handle large files efficiently. For very large files, we recommend using the minifier to reduce file size first.

Is my SQL data secure?

Absolutely! All SQL processing happens locally in your browser. Your data never leaves your device, ensuring complete privacy and security.

Can I customize the formatting style?

Yes, you can customize indent size, keyword case, line width, and many other formatting options to match your coding standards.

Does the validator catch all SQL errors?

Our validator catches common syntax errors, unmatched quotes, and provides suggestions for best practices. For complex validation, consider using your database's native tools.