SQL Formatter

Format and beautify SQL queries online with syntax highlighting, keyword-case controls and support for MySQL, PostgreSQL, SQL Server and SQLite.

About the SQL Formatter

Format and beautify SQL queries, CTEs, joins and multiple statements with syntax highlighting and keyword-case controls. Choose Standard SQL, MySQL, MariaDB, PostgreSQL, SQL Server or SQLite formatting without connecting to a database or executing a query.

  • Six SQL dialect options
  • SQL keyword casing
  • CTEs, joins and subqueries
  • Multiple SQL statements

How to use the SQL Formatter

  1. Paste SQL or upload a .sql file.
  2. Choose the closest SQL dialect and keyword style.
  3. Format and review the query, then copy or download it.

Frequently Asked Questions

What does a SQL formatter do?

It applies consistent spacing, indentation and keyword layout so SQL queries are easier to read and review.

Which SQL dialects are supported?

The formatter includes Standard SQL, MySQL, MariaDB, PostgreSQL, SQL Server or T-SQL, and SQLite options.

Does DevMaster Tools run my SQL query?

Never. This tool only formats text and has no database connection.

Does formatting prove SQL is valid?

No. Formatting can detect some syntax problems, but it is not a complete dialect-aware SQL validator.

Is my SQL query uploaded?

No. SQL formatting happens entirely in your browser.