Free Online SQL Formatter & Beautifier
Format, beautify, and clean your SQL queries instantly. Supports MySQL, PostgreSQL, SQLite, Snowflake, and more.
🧹 SQL Formatter
15+ SQL Dialects
Supports MySQL, PostgreSQL, SQLite, Snowflake, BigQuery, and many more database systems.
Fast & Private
All formatting happens in your browser. No data sent to any server. 100% client-side.
Customizable
Choose your indentation style and dialect. Results are instantly formatted and ready to copy.
Free Forever
No sign-ups, no credit cards, no limits. Use as much as you want, completely free.
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Frequently Asked Questions
Paste your SQL query into the input box, select your database dialect (MySQL, PostgreSQL, SQLite, etc.), and click the Format button. SQLFormat.io processes everything in your browser — no signup, no data sent to servers. Just paste, click, copy.
15+ dialects: MySQL, PostgreSQL, SQLite, BigQuery, DB2, Hive, MariaDB, PL/SQL (Oracle), Redshift, SingleStoreDB, Snowflake, Spark SQL, T-SQL (SQL Server), Trino, and Standard SQL. Select your dialect from the dropdown above the editor.
Yes, completely safe. All formatting runs client-side in your browser using JavaScript. Your SQL queries never leave your device — no server processing, no logging, no data collection. You can even use it offline once the page is loaded.
Yes. There are no arbitrary size limits. The formatter handles queries of any length — complex CTEs, nested subqueries, window functions, multi-table joins. If your SQL works in your database, it'll work here.
Yes. No signup, no credit card, no usage caps. Format as many queries as you want. We keep it free because the formatter runs entirely in your browser — there are no server costs to cover.