Local · Private · Free

SQL Formatter

Beautify or minify SQL for MySQL, PostgreSQL, SQL Server, BigQuery and more — formatted on your device, never uploaded.

🔒 Your SQL never leaves your browser. Nothing is uploaded.

Output Waiting for input…
Formatted SQL appears here…

Formatting is lenient — it pretty-prints what you paste rather than fully validating syntax. Minify collapses each statement to a compact single line.

About SQL Formatter

SQL Formatter is a free, private text & code tool that runs entirely in your web browser. Beautify or minify SQL for many dialects, locally. Because everything happens locally on your device, your queries and data are never uploaded to a server, there is no sign-up or installation required, and it keeps working offline. It is handy for formatting, beautifying and minifying SQL across MySQL, PostgreSQL, SQL Server, BigQuery and more. Like every HeroTool by Digital Heroes, SQL Formatter is 100% free with no limits.

How to use SQL Formatter

  1. Open SQL Formatter — it runs entirely in your browser, with no signup.
  2. Paste or type your text or code into the editor.
  3. Adjust the options to match exactly what you need.
  4. Copy or download your result — it is free, and your data stays on your device.

Frequently asked questions

Is SQL Formatter free?

Yes — SQL Formatter is completely free for everyone. No sign-up, no account and no usage limits.

Is it private? Is my SQL uploaded anywhere?

No. SQL Formatter runs entirely in your browser on your own device, so your queries never leave your computer and nothing is uploaded to a server.

Does it work offline?

Yes. HeroTools is a Progressive Web App — once the page has loaded it keeps working offline, and you can install it as an app from your browser.

Which SQL dialects are supported?

Standard SQL, MySQL, MariaDB, PostgreSQL, SQL Server (Transact-SQL), BigQuery, SQLite, Redshift, Snowflake, Spark, Trino and more.

What does SQL Formatter do?

Beautify or minify SQL for many dialects, locally.