Developer Tool

SQL Formatter

Format and beautify SQL queries with support for multiple dialects — all processed locally in your browser.

100% local

Dialect

Indent

Keywords

Dialect

Indent

Keywords

Input SQL

Formatted SQL

Paste SQL to format

How it works

SQL Formatter in 3 steps

Paste your SQL
Copy your SQL query from your editor, terminal, or log and paste it into the input field.
Choose dialect & options
Select your SQL dialect (PostgreSQL, MySQL, etc.), indentation width, and keyword casing preference.
Copy the result
The formatted SQL appears instantly in the output panel. Click the copy button to use it in your editor.

Practical guides

Get the most out of SQL formatting

How it works

SQL formatting improves readability by adding consistent indentation, line breaks, and keyword casing to your queries. Well-formatted SQL is easier to review, debug, and maintain.

This tool supports 7 SQL dialects and handles complex queries including subqueries, CTEs, JOINs, window functions, and more.

Quick & easy

Privacy & security

This SQL formatter runs entirely in your browser. No queries are ever sent to a server — the formatting happens locally using JavaScript.

No data is sent to any server — all processing happens locally in your browser for maximum privacy.

100% browser-based

Frequently asked questions

SQL Formatter — FAQ

Everything you need to know about our SQL formatter

This formatter supports standard SQL, PostgreSQL, MySQL, SQLite, MariaDB, BigQuery, and T-SQL (Microsoft SQL Server). Select your dialect from the toolbar dropdown for optimal formatting.

No. The formatter only changes whitespace and indentation — it never modifies keywords, table names, column names, or query logic. The formatted query is functionally identical to the original.

Yes. You can toggle between UPPERCASE and lowercase keywords using the toolbar. UPPERCASE is the most common convention and improves readability.

Yes. The formatter correctly handles subqueries, Common Table Expressions (WITH clauses), JOINs, UNION, window functions, and other complex SQL constructs with proper indentation.

Yes. You can choose between 2-space and 4-space indentation using the toolbar options.

No. All formatting is performed entirely in your browser using JavaScript. No queries are ever uploaded or transmitted.

SQL Formatter

SQL Formatter in 3 steps

Paste your SQL

Choose dialect & options

Copy the result

Get the most out of SQL formatting

How it works

Privacy & security

SQL Formatter — FAQ

What SQL dialects are supported?

Does this tool modify my query logic?

Can I choose keyword casing?

Does it handle subqueries and CTEs?

Can I customize the indentation?

Is my SQL sent to a server?

SQL Formatter

SQL Formatter in 3 steps

Paste your SQL

Choose dialect & options

Copy the result

Get the most out of SQL formatting

How it works

Privacy & security

SQL Formatter — FAQ

What SQL dialects are supported?

Does this tool modify my query logic?

Can I choose keyword casing?

Does it handle subqueries and CTEs?

Can I customize the indentation?

Is my SQL sent to a server?