SQL Formatter
Format your SQL queries with proper indentation and structure. All processing happens in your browser - your queries never leave your device.
About SQL Formatter
This free online tool helps you format and beautify SQL queries. Whether you're working with messy SQL from logs or need to make your queries more readable, this formatter will structure your SQL with proper indentation and formatting.
Features
- Automatic Formatting: Properly indent SQL statements with customizable spacing (2 or 4 spaces)
- Uppercase Keywords: Option to convert SQL keywords to uppercase for better readability
- Smart Line Breaks: Automatically add line breaks before major clauses (SELECT, FROM, WHERE, JOIN, etc.)
- Support for All Common Statements: Works with SELECT, INSERT, UPDATE, DELETE, CREATE, ALTER, DROP, and more
- Nested Query Support: Handles subqueries with proper indentation levels
- Sample Query: Load a sample query to see how the formatter works
Supported SQL Statements
This formatter supports all common SQL statements including:
- Data Query Language (DQL): SELECT, FROM, WHERE, JOIN, GROUP BY, HAVING, ORDER BY, LIMIT
- Data Manipulation Language (DML): INSERT, UPDATE, DELETE
- Data Definition Language (DDL): CREATE TABLE, ALTER TABLE, DROP TABLE, CREATE INDEX
- Join Types: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN, CROSS JOIN
How to Use
- Paste your SQL query into the input box on the left
- Choose your formatting options (uppercase keywords, indent size)
- The formatted SQL will appear instantly on the right
- Click the copy button to copy the formatted result
Privacy & Security
Your SQL queries are processed entirely in your browser using JavaScript. No data is sent to any server, making this tool completely safe for sensitive database queries and production SQL.