SQL Formatter - Beautify SQL Queries Online
Format and beautify your SQL queries instantly with our free online SQL formatter. Features syntax highlighting, proper indentation, and support for all major SQL dialects. All processing happens in your browser - your queries stay private.
Why Format SQL?
Well-formatted SQL is easier to read, debug, and maintain. Proper formatting helps teams collaborate effectively and catch errors before they reach production.
Features
- Syntax Highlighting: Keywords, strings, and numbers color-coded
- Smart Indentation: Proper nesting for subqueries and JOINs
- Keyword Uppercase: Standardizes SQL keywords to uppercase
- Minify Option: Compress SQL for storage or transmission
- Copy to Clipboard: One-click copy of formatted result
Supported SQL Features
- SELECT, INSERT, UPDATE, DELETE statements
- JOIN operations (INNER, LEFT, RIGHT, FULL, CROSS)
- Subqueries and nested queries
- Common Table Expressions (WITH/CTE)
- UNION, INTERSECT, EXCEPT operations
- Window functions and aggregates
- CASE WHEN expressions
SQL Formatting Best Practices
- Use uppercase for SQL keywords (SELECT, FROM, WHERE)
- Put each major clause on its own line
- Indent subqueries and JOINed tables
- Align related columns for readability
- Use meaningful table aliases
- Comment complex logic
Database Compatibility
Our formatter works with all major SQL databases including MySQL, PostgreSQL, SQL Server, Oracle, SQLite, and MariaDB. Standard ANSI SQL formatting ensures compatibility across platforms.
Privacy First
Your SQL queries may contain sensitive table names, column names, or data. Our formatter processes everything locally in your browser - no data is ever sent to any server.