SQL Query Formatter

Professional SQL formatting tool with syntax highlighting, validation, analysis, and support for multiple database dialects (MySQL, PostgreSQL, SQL Server, Oracle, SQLite).

Professional SQL Tool: Format, minify, validate, and analyze SQL queries with syntax highlighting, multiple dialect support, and comprehensive analysis.

Format Options

SQL Dialect

Indent Size

Uppercase KeywordsNewlines

Input SQL

SELECT u.id, u.username, u.email, p.title, p.content, p.created_at
FROM users u
INNER JOIN posts p ON u.id = p.user_id
WHERE u.active = 1 
  AND p.published = 1
  AND p.created_at >= DATE_SUB(NOW(), INTERVAL 30 DAY)
ORDER BY p.created_at DESC, u.username ASC
LIMIT 50;

SELECT u.id, u.username, u.email, p.title, p.content, p.created_at
FROM users u
INNER JOIN posts p ON u.id = p.user_id
WHERE u.active = 1 
  AND p.published = 1
  AND p.created_at >= DATE_SUB(NOW(), INTERVAL 30 DAY)
ORDER BY p.created_at DESC, u.username ASC
LIMIT 50;

Formatted Output

Processed SQL will appear here...

Processed SQL will appear here...

SQL Statistics

Lines	8
Statements	1
Keywords	4
Comments	0
File Size	0.3 KB

SQL Dialects

MySQL: Popular open-source

• LIMIT for row limiting • Backticks for identifiers • AUTO_INCREMENT columns

PostgreSQL: Advanced features

• LIMIT/OFFSET for pagination • Strong JSON support • Window functions

SQL Server: Microsoft

• TOP for row limiting • Square brackets for identifiers • T-SQL extensions

Oracle: Enterprise

• ROWNUM for row limiting • PL/SQL support • Advanced analytics

SQL Best Practices

• Use consistent indentation and formatting

• Write keywords in UPPERCASE

• Use meaningful table and column aliases

• Always specify JOIN conditions explicitly

• Use parameterized queries to prevent SQL injection

• Add comments to explain complex logic

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