SQL Beautifier & Validator

Clean up messy SQL code and transform it into properly formatted, readable queries with consistent indentation and professional structure. This database tool supports multiple SQL dialects with keyword capitalization, alignment, and formatting that preserves query logic while dramatically improving readability. Essential for database developers, code review processes, documentation preparation, and maintaining clean, professional database queries across development teams.
Multiple Dialects Auto-Indentation Keyword Capitalization Syntax Check
Quick Examples 
BEFORE: select * from users where id=1
AFTER: SELECT *
FROM users
WHERE id = 1
DIALECTS: MySQL, PostgreSQL, SQL Server
SQL Input
Formatting Options
Sample Queries
Formatted SQL

Your formatted SQL will appear here

Enter SQL query and click "Format & Validate"
Query Analysis
STATISTICS

Process SQL to see statistics

COMPLEXITY

Complexity analysis will appear here

PERFORMANCE SUGGESTIONS

Performance tips will appear here

Help & Related Tools

Everything you need to know

FAQ Frequently Asked Questions

Which SQL dialects are supported?
The beautifier supports standard SQL syntax and most common dialects including MySQL, PostgreSQL, SQL Server, Oracle, and SQLite. It handles the most widely-used SQL keywords and formatting conventions.
Will beautifying change my query logic?
No, beautifying only improves formatting, indentation, and keyword capitalization. Your query logic, results, and functionality remain completely unchanged. Only the visual presentation is improved for better readability.
Can it handle complex queries with subqueries and joins?
Yes, the tool properly formats complex SQL including nested subqueries, multiple joins, CTEs (Common Table Expressions), and window functions. It maintains proper indentation hierarchy for complex structures.
Should I use this for production SQL scripts?
Beautified SQL is excellent for production use as it improves maintainability and readability for your team. Clean, well-formatted SQL is easier to debug, modify, and document for future developers.
Does it work with stored procedures and functions?
Yes, the beautifier can format stored procedures, functions, triggers, and other database objects. It maintains proper structure for control flow statements, variable declarations, and nested logic blocks.

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