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Free SQL Formatter

Format and beautify SQL queries instantly. Clean up messy SQL, uppercase keywords, and improve readability for better database management.

Last Updated: 15 Jan 2026

Raw SQL Query

Formatted SQL

What is SQL Formatting?

SQL formatting is the process of organizing SQL queries with proper indentation, line breaks, and consistent keyword casing. When SQL queries are written quickly or copied from various sources, they often lack consistent formatting, making them difficult to read, debug, and maintain.

SQL formatters standardize query appearance by uppercasing SQL keywords (SELECT, FROM, WHERE, JOIN, etc.), adding proper indentation for nested clauses, and organizing query structure. This transforms messy, hard-to-read SQL into well-structured, readable queries that database developers can easily understand and maintain.

Why Use Our Free SQL Formatter?

Instant Formatting

Format SQL queries instantly as you paste. No delays, no server requests. All processing happens in your browser for maximum speed and privacy.

Keyword Standardization

Automatically uppercase SQL keywords to follow industry standards. Makes queries consistent and easier to read across your team.

Better Debugging

Well-formatted SQL is easier to debug, optimize, and maintain. Quickly identify query structure, understand joins, and fix logical errors.

Common Use Cases for SQL Formatting

Database Development

Query Optimization
Format complex SQL queries to understand structure, identify optimization opportunities, and improve query performance.
Code Review
Format SQL before code reviews to make it easier for team members to understand query logic and provide feedback.
Documentation
Format SQL examples in documentation, tutorials, or blog posts to make queries readable and professional.

Data Analysis

Report Queries
Format SQL queries used in reports and dashboards to make them maintainable and easier to modify or debug.
Stored Procedures
Format SQL in stored procedures, functions, or views to improve readability and make database code maintainable.
Migration Scripts
Format SQL migration scripts to make them readable and easier to review before applying database changes.

How SQL Formatting Works

Parse SQL Syntax

The formatter parses your SQL to understand query structure, identifying keywords, clauses, tables, columns, and operators.

Uppercase Keywords

SQL keywords (SELECT, FROM, WHERE, JOIN, etc.) are automatically uppercased to follow industry standards and improve readability.

Apply Indentation

Clauses and nested subqueries are properly indented to show query hierarchy and make complex queries easier to understand.

Output Formatted SQL

The formatted SQL is output with proper line breaks, indentation, and keyword casing, making it easy to read, understand, and maintain.

Frequently Asked Questions

What does SQL formatting do?

SQL formatting organizes your SQL queries by adding proper indentation, line breaks, and spacing. It typically uppercases SQL keywords (SELECT, FROM, WHERE, etc.) and formats clauses, making queries easier to read, understand, and maintain.

Will formatting SQL change how queries execute?

No, SQL formatting only changes whitespace and keyword casing. The query logic and functionality remain identical. SQL parsers ignore extra whitespace, so formatting doesn't affect query execution or results.

Does it support all SQL dialects?

Our SQL formatter works with standard SQL syntax used across MySQL, PostgreSQL, SQL Server, Oracle, and SQLite. Some database-specific features may format differently, but core SQL statements are fully supported.

Is my SQL code secure when using this tool?

Yes, all SQL formatting happens entirely in your browser using JavaScript. Your queries never leave your device, ensuring complete privacy and security. No sensitive data is transmitted to servers.

Does formatting SQL affect query performance?

No, SQL formatting only changes whitespace and keyword casing. The query execution plan and performance remain identical. Database engines ignore formatting when executing queries.

Can I format stored procedures?

Yes, you can format SQL within stored procedures, functions, and triggers. However, database-specific syntax (like T-SQL or PL/SQL extensions) may require specialized formatters.

What if my SQL has syntax errors?

The formatter will attempt to format the SQL, but malformed queries (missing keywords, invalid syntax) may not format correctly. Fix syntax errors for best results.

Does it support all SQL databases?

Our SQL formatter works with standard SQL syntax used across MySQL, PostgreSQL, SQL Server, Oracle, and SQLite. Some database-specific features may format differently.