Which SQL dialects are supported?

The formatter supports Standard SQL, MySQL, PostgreSQL, SQL Server (T-SQL), Oracle PL/SQL and SQLite syntax. Select your dialect for the most accurate formatting.

Is my SQL data private?

Yes. All formatting is done locally in your browser. Your queries, table names and data are never sent to any server.

Can I customize the formatting style?

Yes. You can configure indentation (2 spaces, 4 spaces or tabs), keyword casing (uppercase, lowercase or unchanged) and line break preferences.

Format SQL Online Free

Paste messy or single-line SQL queries and get clean, properly indented output in one click. This free formatter supports MySQL, PostgreSQL, SQL Server and standard SQL syntax, all running privately in your browser.

Open SQL Formatter

Formatting Example

-- Before
SELECT u.id, u.name, o.total FROM users u JOIN orders o ON u.id = o.user_id WHERE o.total > 100 AND u.active = true ORDER BY o.total DESC LIMIT 10;

-- After
SELECT
  u.id,
  u.name,
  o.total
FROM users u
JOIN orders o
  ON u.id = o.user_id
WHERE o.total > 100
  AND u.active = true
ORDER BY o.total DESC
LIMIT 10;

Common Use Cases

Cleaning up auto-generated or ORM-produced SQL queries
Formatting queries before adding them to documentation
Making complex JOIN queries readable for code review
Standardizing SQL style across a development team

Frequently Asked Questions

Which SQL dialects are supported?: The formatter supports Standard SQL, MySQL, PostgreSQL, SQL Server (T-SQL), Oracle PL/SQL and SQLite syntax. Select your dialect for the most accurate formatting.
Is my SQL data private?: Yes. All formatting is done locally in your browser. Your queries, table names and data are never sent to any server.
Can I customize the formatting style?: Yes. You can configure indentation (2 spaces, 4 spaces or tabs), keyword casing (uppercase, lowercase or unchanged) and line break preferences.