What is SQL Formatter?
SQL Formatter is a powerful online tool that automatically beautifies and formats SQL queries. It supports all major database platforms including MySQL, PostgreSQL, SQL Server, Oracle, BigQuery, and more. Transform messy, unformatted SQL into clean, readable, and professionally formatted code instantly - all processed locally in your browser for complete privacy.
How to Use SQL Formatter Online
Using our SQL formatter is simple: paste your SQL query into the input area, select your database dialect (MySQL, PostgreSQL, etc.), customize formatting options like keyword case and indentation, and watch your SQL get instantly formatted. The tool supports file uploads, provides real-time validation, analyzes query complexity, and offers downloadable results. Perfect for database developers, data analysts, and SQL learners.
Key Features
Our SQL formatter supports 16+ database dialects including MySQL, PostgreSQL, Oracle PL/SQL, SQL Server T-SQL, Google BigQuery, Snowflake, Amazon Redshift, SQLite, MariaDB, and more. Features include customizable keyword casing (UPPERCASE, lowercase, preserve), adjustable indentation (2/4/8 spaces), real-time syntax validation, query complexity analysis, subquery detection, table and function extraction, and detailed formatting statistics. All processing happens client-side for maximum privacy and security.
Free SQL Beautifier Without Registration
Use our professional SQL formatter completely free without any registration or login required. All SQL formatting, validation, and analysis happens entirely in your browser - your queries never leave your device. No data collection, no tracking, no server uploads. Perfect for formatting sensitive production queries, optimizing database scripts, learning SQL best practices, and maintaining consistent code style across your team.
Frequently Asked Questions
What SQL databases are supported?
Our formatter supports 16+ SQL dialects including MySQL, PostgreSQL, Oracle PL/SQL, SQL Server (T-SQL), Google BigQuery, Snowflake, Amazon Redshift, SQLite, MariaDB, IBM DB2, Apache Spark, Apache Hive, Trino, Couchbase N1QL, SingleStore, and standard SQL.
Is my SQL query data secure?
Yes, completely secure. All formatting and processing happens entirely in your browser using JavaScript. Your SQL queries never leave your device or get sent to any server. Perfect for formatting sensitive production queries.
Can I customize the formatting style?
Yes, you can customize keyword case (UPPERCASE, lowercase, or preserve original), indentation width (2, 4, or 8 spaces), lines between queries, and operator spacing. Settings are saved locally for your convenience.
Does it validate SQL syntax?
Yes, the formatter performs real-time syntax validation and displays whether your SQL is valid. If there are errors, detailed error messages help you identify and fix issues quickly.
Can I format multiple SQL statements at once?
Yes, you can paste multiple SQL statements separated by semicolons. The formatter will beautify all statements while respecting the configured spacing between queries.
How does SQL complexity analysis work?
The tool analyzes your query for joins, subqueries, functions, and conditions to determine complexity level (Simple, Moderate, or Complex). It also extracts tables, functions, and query types for better understanding of your SQL structure.