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Free Online SQL Formatter

Format, beautify, and standardize SQL queries with customizable keyword casing (UPPERCASE/lowercase) and indentation.

Keyword Casing: Dialect:

Input SQL Query 0 chars

Open File

Formatted SQL Query 0 chars

Direct Answer SQL Formatter operates 100% locally in your web browser. Execute instant conversions and transformations with zero file uploads, no account registration, and complete privacy.

How to Use SQL Formatter

Paste SQL Query: Paste unformatted, single-line, or complex nested SQL queries into the input workspace.
Configure Casing & Dialect: Choose keyword casing (UPPERCASE, lowercase, or preserve) and your database dialect.
Format SQL: Click 'Format SQL' to align clauses (SELECT, FROM, WHERE, JOIN, GROUP BY) on structured lines.
Copy Query: Copy the readable SQL query or download as query.sql.

Frequently Asked Questions

Which SQL dialects are supported?

The SQL Formatter handles Standard ANSI SQL, PostgreSQL, MySQL / MariaDB, Microsoft SQL Server (T-SQL), SQLite, and Oracle PL/SQL.

Does the formatter support complex joins and subqueries?

Yes, multi-table joins (INNER, LEFT, RIGHT, FULL), CTEs (WITH clauses), window functions, CASE WHEN statements, and subqueries are cleanly structured.

Can I minify SQL queries for single-line script injection?

Yes, click 'Minify' to remove comments and extra whitespace for compact SQL strings.

Are my database queries sent to any server?

No, all SQL parsing and formatting executes locally in your browser, keeping table schemas and sensitive queries private.

Last reviewed: October 2026 Learn about our architecture in How we process your files and mathematical Methodology.