SQL Formatter & Prettifier

Format, beautify, and clean up unformatted SQL queries for MySQL, PostgreSQL, SQLite, and SQL Server in real time.

Dialect:Indent:UPPERCASE Keywords

Raw SQL Query

Formatted Output

SELECT u.id,
  u.first_name,
  u.last_name,
  count(o.id) as total_orders,
  sum(o.total_amount) as lifetime_value
FROM users u
LEFT JOIN orders o 
  ON u.id = o.user_id
WHERE u.status = 'active'
AND u.created_at >= '2024-01-01'
GROUP BY u.id, u.first_name, u.last_name
HAVING count(o.id) > 2
ORDER BY lifetime_value desc
LIMIT 50;

Our free online SQL Formatter enables software engineers, database administrators, and data analysts to instantly prettify unformatted SQL queries. Clean up ugly SQL dumps, capitalize keywords, and standardize indentation for better readability.

Common Use Cases

✓
Refactor Complex Database Queries
Convert dense, single-line SQL log output into clean, structured queries for easy debugging.
✓
Standardize SQL Code Style
Enforce consistent uppercase keyword formatting and 2-space or 4-space indentation across engineering teams.
✓
Prepare Production Documentation
Format raw database queries before pasting into technical documentation, pull requests, or code reviews.

Key Features

✓

Multi-Dialect Support

Formatted output optimized for MySQL, PostgreSQL, SQLite, MS SQL Server, and Oracle.

✓

Keyword Uppercase Toggle

Automatically capitalize SELECT, WHERE, JOIN, and GROUP BY keywords for professional clarity.

✓

One-Click Download & Copy

Export formatted SQL queries directly as .sql files or copy to your clipboard instantly.

How to Use This Tool

Paste Raw SQL Query: Insert unformatted or minified SQL queries into the left input editor box.
Configure Formatting Options: Select your preferred SQL dialect, indent spacing (2 or 4 spaces), and UPPERCASE keyword preference.
Click Format SQL: Click the Format SQL button to transform your query into readable, indented SQL code.
Copy or Download Output: Click Copy to grab the formatted code or Download .sql to save your file.

Why Clean SQL Formatting Matters for Developers

SQL (Structured Query Language) formatters automate the tedious task of manually indenting nested SELECT statements, JOIN clauses, subqueries, and conditional WHERE clauses.

Using a client-side SQL prettifier ensures database security because raw queries containing table names and column identifiers remain 100% private inside your browser without hitting external servers.

Advanced Features and SEO Benefits

Database Query Optimization

Readable SQL makes indexing bottlenecks, missing JOIN conditions, and redundant subqueries easier to spot during code analysis.

Zero-Latency Client-Side Execution

Processes large multi-line SQL files locally in your browser with instant responsiveness.

Frequently Asked Questions

Is my SQL query stored on any server?

No. All SQL formatting and parsing occurs entirely within your browser client-side. Your queries and database schema names are never saved or sent to any server.