DevConvertor

SQL Formatter

Format SQL — SELECT, JOIN, subqueries, GROUP BY, aliases, and more — into readable, consistently indented queries. Choose the dialect that matches your database (Standard SQL, MySQL, PostgreSQL, SQLite, MariaDB, SQL Server, BigQuery, or Snowflake) for dialect-aware formatting.

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Features

  • 8 real dialects: Standard SQL, MySQL, MariaDB, PostgreSQL, SQLite, SQL Server, BigQuery, Snowflake
  • Formats joins, subqueries, GROUP BY/HAVING, and aliases
  • Consistent uppercase keyword style

How to use

  1. Paste a SQL query into the input.
  2. Choose the dialect that matches your database.
  3. Click Format, then copy or download the result.

Example

Example

SELECT id, name FROM users WHERE active = 1 ORDER BY name

↓

SELECT
  id,
  name
FROM
  users
WHERE
  active = 1
ORDER BY
  name

FAQ

Which SQL dialects are actually supported?
Standard SQL, MySQL, MariaDB, PostgreSQL, SQLite, SQL Server (T-SQL), BigQuery, and Snowflake — each backed by the formatter's own dialect-specific parser, not a generic guess.
Does it handle subqueries and joins?
Yes, including nested subqueries, all join types, GROUP BY/HAVING, and column or table aliases.