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Paste messy SQL, pick a dialect and formatting options, and get a clean, readable query. Runs entirely in your browser.
Formatted SQL will appear here.
SQL Formatter is a free online tool that turns messy SQL into clean, consistently formatted queries. It supports seven SQL dialects and gives you control over keyword casing, indentation, and comma placement — all processed locally in your browser.
Yes. The SQL Formatter is completely free with no signup and no usage limits, like all SqlInt mini tools.
Standard SQL, PostgreSQL, MySQL, SQLite, SQL Server (T-SQL), BigQuery, and Snowflake — with keyword case, indentation, and comma-position options.
No. It pretty-prints formatting only and does not fix syntax or semantic errors — use the SQL Linter to catch anti-patterns.
No. Every mini tool processes data locally in your browser — pasted text and uploaded files never leave your device.
Strip comments and whitespace to compress a query.
Switch SQL keywords between UPPERCASE and lowercase.
Catch anti-patterns, implicit joins, and style issues in your SQL.
Turn CSV into CREATE TABLE + INSERTs with auto-detected types.