SQL Formatter

Beautify and format SQL queries with proper indentation

Input SQL

209 chars

Formatted SQL

select u.id, u.name, u.email, count(o.id) as order_count
from users u left
join orders o
on u.id = o.user_id
where u.active = 1
and u.created_at > '2024-01-01'
group by u.id
order by order_count desc
limit 50;
Input: 209 charsOutput: 209 chars

About the SQL Formatter

This SQL formatter indents a query by clause, aligns joins and conditions and normalises keyword casing, turning a single-line query pulled from a log into something you can actually read and reason about.

A SQL formatter earns its place the moment a query gets complicated. Queries logged by an ORM or copied out of application code arrive as one continuous line, and a five-table join with a couple of subqueries is genuinely unreadable in that form.

Formatting by clause is what makes the logic visible. SELECT, FROM, JOIN, WHERE, GROUP BY and ORDER BY each start a line, join conditions align beneath their join, and subqueries indent as nested blocks — so the shape of the query matches the shape of the thinking behind it.

It also exposes the bugs. A join condition accidentally sitting in the WHERE clause, or an OR that needs bracketing to behave as intended, are hard to spot on one line and obvious once indented. Formatting happens in your browser, so queries containing real table and column names stay local.

How to use the SQL Formatter

  1. Paste your query. Enter the single-line or messy SQL.
  2. Format it. Clauses are indented and keywords normalised.
  3. Read the structure. Follow the joins, conditions and subqueries.
  4. Copy the result. Take the formatted query.

SQL Formatter features

  • SQL code formatting
  • Query beautification
  • SQL minification
  • Keyword capitalization
  • Indentation control
  • Complex query support
  • Subquery formatting
  • JOIN operation handling
  • Real-time processing
  • Database development focus

Frequently asked questions

How does SQL formatting improve code readability?

Our formatter adds proper indentation, line breaks, and keyword capitalization. Structures queries logically with SELECT, FROM, WHERE clauses on separate lines, JOIN operations indented, and subqueries clearly formatted for enhanced readability.

What SQL keywords and structures are recognized?

Comprehensive support for: SELECT, FROM, WHERE, JOIN types, GROUP BY, ORDER BY, HAVING, UNION, INSERT, UPDATE, DELETE, CREATE TABLE, ALTER TABLE, and all major SQL constructs for complete query formatting.

Can this tool minify SQL code?

Yes! Minification removes unnecessary whitespace, comments, and extra characters while preserving functionality. Reduces file size for transmission and storage while maintaining SQL execution compatibility.

What are the benefits of formatted SQL code?

Essential benefits: improved readability, easier debugging, better team collaboration, code review efficiency, maintenance simplification, error identification, and professional documentation standards for database development.

How are complex queries and subqueries handled?

Advanced formatting for nested subqueries, complex JOIN operations, CASE statements, window functions, and CTEs (Common Table Expressions). Maintains logical structure and indentation hierarchy for complex SQL.

Can this handle different SQL dialects?

Supports standard SQL with compatibility for major dialects including MySQL, PostgreSQL, SQL Server, Oracle, and SQLite. Uses common SQL syntax standards while maintaining broad compatibility across database systems.

Is this suitable for professional database development?

Absolutely! Essential for database developers, data analysts, backend engineers, and DevOps teams. Perfect for query optimization, code reviews, team collaboration, and maintaining professional SQL standards.