SQL Formatter | Beautify, Capitalize, Validate, 14 Dialects - {{YEAR}}

What is an SQL Formatter? Complete Guide

An SQL formatter beautifies and formats SQL queries with proper indentation, line breaks, and keyword capitalization. Our 2026 SQL formatter goes beyond basic tools with instant formatting as you type, multi-dialect support (MySQL, PostgreSQL, SQL Server, Oracle), custom indentation (2-8 spaces), automatic keyword capitalization, complex query support (CTEs, joins, subqueries), file upload for .sql files, syntax highlighting, and complete privacy. Works with all major SQL dialects.

How to Use the SQL Formatter

Paste your SQL query into the input area
See instantly formatted SQL on the right
Upload .sql files using the Upload button
Adjust indent size (2-8 spaces) with slider
Keywords are auto-capitalized (SELECT, FROM, WHERE)
Click Copy to copy formatted SQL
Use Clear to start with a new query
Works with complex queries, joins, and subqueries

SQL Formatter Features

Auto Formatting

Instant formatting with proper indentation and line breaks

Keyword Capitalization

Automatic UPPERCASE for SQL keywords (SELECT, FROM, JOIN)

Custom Indentation

Choose indent size from 2 to 8 spaces

Multi-Dialect Support

Works with MySQL, PostgreSQL, SQL Server, Oracle, SQLite

Complex Query Support

Handles nested queries, CTEs, and multi-table joins

File Upload

Upload .sql files directly for formatting

When to Use the SQL Formatter

Code Review

Format SQL before code review for better readability

Database Scripts

Clean up migration scripts and database initialization files

Query Optimization

Make complex queries easier to understand and optimize

Documentation

Create readable SQL examples for documentation

Learning SQL

Study well-formatted queries to understand SQL structure

Team Collaboration

Maintain consistent SQL formatting across team

Why Choose Our SQL Formatter?

✓100% free with unlimited formatting
✓Instant formatting as you type
✓Supports all major SQL databases
✓Customizable indent size (2-8 spaces)
✓Automatic keyword capitalization
✓Handles complex nested queries
✓Upload .sql files or paste code
✓Privacy-first browser processing
✓No signup or registration needed
✓Clean, developer-friendly interface

SQL Formatter Comparison

Feature	10xTools SQL Formatter	SQLBeautifier	Instant SQL Formatter	SQLFormat	DBeaver	Devart SQL Formatter
Price (Free Forever)	✅ 100% Free	✅ Free	✅ Free	❌ Paid	❌ Paid/Freemium	✅ Free
Multiple Dialects	✅ 14+ Dialects	✅ Many Dialects	❌ Limited	✅ Many Dialects	✅ All Dialects	✅ Many Dialects
Custom Indentation	✅ 2-8 Spaces	❌ Fixed Only	❌ Fixed Only	✅ Customizable	✅ Customizable	✅ Customizable
Keyword Capitalization	✅ Auto Cap	✅ Auto Cap	✅ Auto Cap	✅ Auto Cap	✅ Auto Cap	✅ Auto Cap
File Upload	✅ Supported	✅ Supported	❌ Not Available	✅ Supported	❌ Not Available	❌ Not Available
Syntax Highlighting	✅ PrismJS	✅ Basic	✅ Basic	✅ Advanced	✅ Advanced	✅ Basic
No Registration	✅ No Signup	✅ No Signup	✅ No Signup	❌ Signup Required	❌ Signup Required	✅ No Signup
Privacy (Client-Side)	✅ 100% Private	❌ Server Upload	❌ Server Upload	❌ Server Upload	❌ Local Only	❌ Server Upload
Complex Queries	✅ CTE/Join	✅ Complex	✅ Complex	✅ CTE/Join	✅ CTE/Join	✅ Complex
Unlimited Usage	✅ Unlimited	✅ Unlimited	✅ Unlimited	❌ Limited	❌ Limited	✅ Unlimited

✅ = Feature Available | ❌ = Not Available or Limited

Frequently Asked Questions

Which SQL databases are supported?

Our formatter supports MySQL, PostgreSQL, SQL Server, Oracle, SQLite, and most standard SQL dialects. It handles common SQL syntax including SELECT, JOIN, WHERE, GROUP BY, and subqueries.

Can I customize the formatting style?

Yes! You can adjust the indent size from 2 to 8 spaces. Keywords are automatically capitalized following SQL best practices.

Does it validate SQL syntax?

The formatter focuses on beautifying code rather than validation. It will format invalid SQL but won't check for syntax errors. Use your database's parser for validation.

Can it format stored procedures?

Yes, the formatter handles stored procedures, functions, triggers, and other complex SQL objects with proper indentation.

How does it handle comments?

SQL comments (both -- single-line and /* multi-line */) are preserved in their original positions during formatting.

Can I format multiple queries at once?

Yes! Paste multiple queries separated by semicolons and all will be formatted with proper spacing between them.

Is my SQL code stored or uploaded?

No. All formatting happens locally in your browser. Your SQL code never leaves your device and is not stored or transmitted anywhere.

Does it work with CTEs (Common Table Expressions)?

Yes, the formatter properly handles CTEs (WITH clauses), subqueries, and complex nested query structures.

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