SQL Formatter

Beautify and format SQL statements

SQL Formatter

About This Tool

The SQL Formatter is a professional SQL beautifier that helps developers quickly format SQL statements, making code clearer and easier to read while improving development efficiency and code quality.

It supports multiple formatting options including keyword case conversion, indent size, and semicolon handling, plus parameter filling to replace parameter placeholders in SQL during development and testing.

All processing happens locally — your SQL never leaves your browser. The interface is clean and intuitive, so even SQL beginners can use it with ease.

For a step-by-step deep dive — including how to replace ? / @param / :param placeholders — read our guide: How to Format SQL and Replace Parameter Placeholders.

Editing a long INSERT and losing track of which value maps to which field? See how the Insert Editor labels every value for you: How to Edit Long INSERT Statements Without Losing Track of Fields.

Features

SQL Formatting

Automatically formats SQL statements for clean, readable, maintainable code.

Parameter Fill

Supports multiple parameter formats; auto-detects and fills parameter placeholders in SQL.

Custom Options

Offers various formatting options to match different coding style preferences.

Local Processing

All processing runs locally — your SQL is never uploaded.

How to use the SQL Formatter

SQL Formatter FAQ

What does a SQL formatter do?

It reorganizes SQL into a consistent, readable layout with proper indentation, line breaks, and capitalization — without changing what the query does.

Does formatting change my query's behavior?

No. A formatter only adjusts whitespace and line breaks, so the logic and results stay exactly the same.

Can I format any SQL dialect?

Yes. The formatter handles common SQL — SELECT, INSERT, UPDATE, and DELETE — across dialects like MySQL, PostgreSQL, and SQLite.

Is my SQL sent anywhere?

No. Formatting happens locally in your browser 鈥?useful when a query contains real table or column names you would rather not paste into a server.