Developer Tools

SQL Formatter

Format and beautify SQL queries with proper indentation.

Input SQL

Formatted SQL

How to use the SQL Formatter

Paste SQL

Copy and paste your SQL query into the input field.

Format

Click Format to beautify the SQL with proper indentation.

Copy result

Click Copy to save the formatted SQL to your clipboard.

What is a SQL Formatter?

A SQL formatter takes a cramped or minified SQL query and rewrites it with consistent indentation, line breaks, and keyword casing so the logic is easy to follow. The query itself is untouched: only the whitespace and casing change, never the semantics.

Paste any query, from a one-line SELECT to a page-long report query with joins and subqueries, and get readable SQL back instantly. Formatting runs in your browser, so production queries containing table names and business logic never leave your machine.

Formats SELECT, INSERT, UPDATE, DELETE, and DDL statements
Consistent keyword casing and indentation
Handles joins, subqueries, CTEs, and long WHERE clauses
Works with major dialects including MySQL and PostgreSQL
One click copy of the formatted query
Local processing, queries are never uploaded

Why formatted SQL matters

A query crammed onto one line hides its own structure: which joins feed which conditions, where a subquery begins, what the GROUP BY actually groups. Formatting exposes the shape, so bugs like a misplaced AND or a join without a condition become visible at a glance. Teams that format consistently review queries faster and break production less.

From ORM logs and BI exports

Query builders, ORMs, and BI tools emit SQL as a single dense line in logs. When one of those queries is slow or wrong, the first debugging step is making it readable. Paste the logged query here and the structure appears, ready for you to trace, explain-plan, or edit.

Formatting conventions that help

Uppercase keywords separate structure from data at a glance: SELECT, FROM, and WHERE anchor the eye while table and column names stay lowercase. One clause per line makes diffs clean in code review. Indented subqueries and CTEs show nesting depth. The formatter applies these conventions automatically so nobody formats by hand.

Frequently Asked Questions

Does formatting change what my query does?

No. Only whitespace, line breaks, and keyword casing change. The parsed meaning of the query is identical before and after.

Which SQL dialects are supported?

Standard SQL plus common dialect syntax from MySQL, PostgreSQL, SQL Server, and SQLite formats cleanly. Dialect-specific functions are left as written.

Is my query sent to a server?

No. Formatting happens entirely in your browser, which makes the tool safe for proprietary queries and schema names.

Can it format very long queries?

Yes. Multi-join report queries, nested subqueries, and long CTE chains format without issue.

Why format SQL from an ORM?

ORMs log queries as one dense line. Formatting is the fastest way to understand what the ORM actually generated when debugging performance or wrong results.

Does it validate my SQL?

The formatter focuses on layout rather than full validation. Badly broken syntax may format oddly, which itself is often a hint about where the query is malformed.

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What is a SQL Formatter?

Formats SELECT, INSERT, UPDATE, DELETE, and DDL statements

Consistent keyword casing and indentation

Handles joins, subqueries, CTEs, and long WHERE clauses

Works with major dialects including MySQL and PostgreSQL

One click copy of the formatted query

Local processing, queries are never uploaded