Free SQL Formatter Online

Input

Mode:

Output

What is a SQL Formatter?

Ever gotten a query from a colleague or AI tool that looks like one long wall of text? Reviewing it for correctness is a nightmare without proper formatting. A SQL formatter takes raw or minified SQL and restructures it with proper indentation, line breaks, and uppercase keywords so it's easy to read and audit. SQL has no formal style specification, but most teams follow conventions similar to those described in SQL Style Guide. Formatted SQL is also required by some CI/CD code-style linters. For dialect references, see PostgreSQL SQL Syntax, MySQL SQL Statements, and the SQLite language reference. When writing complex queries, tools like GitHub Copilot can suggest SQL — paste the output here to clean it up before committing.

SQL Minifier does the opposite — it strips comments and collapses whitespace so the query takes up less space, which can be useful for storage or transmission.

How to Use the SQL Formatter

Paste your SQL

Paste your SQL query into the input editor on the left.

Choose a mode

Select Format to beautify or Minify to compact your SQL.

Copy or download

Copy the result to clipboard or download it as a .sql file.

SQL Formatting Example

Here is an example of SQL being formatted from a compact single-line query:

Raw SQL Input

Input SQL

Formatted SQL Output

Formatted SQL

When Does SQL Formatting Matter?

Formatted SQL is easier to review in code reviews, debug in production, and maintain over time. It helps teams follow consistent style guidelines. AI tools like Google Gemini or Claude can help write complex SQL queries—paste the generated SQL here to format it before adding to your codebase.

For related tools, try the SQL Escape tool to safely escape special characters in SQL strings.

Frequently Asked Questions

Which SQL dialects does this formatter support?

The formatter handles standard SQL keywords (SELECT, FROM, WHERE, JOIN, GROUP BY, etc.) and works well with MySQL, PostgreSQL, SQLite, and SQL Server syntax.

Is my SQL data sent to a server?

No. All formatting runs entirely in your browser using JavaScript. Your SQL queries never leave your device — no backend, no logging, no storage.

What does SQL minification do?

Minify strips -- line comments and /* */ block comments, then collapses all whitespace into single spaces — turning multi-line queries into a compact single line. Useful for storage, transmission, or embedding SQL in config files.

Can I format SQL generated by AI tools?

Absolutely. Paste SQL from tools like GitHub Copilot or any AI assistant here to clean up formatting before reviewing or committing. AI-generated SQL is often dense — formatting makes it much easier to audit.

Why should I format SQL before code review?

Formatted SQL is dramatically easier to read in diffs and code reviews. It lets reviewers focus on logic rather than parsing structure. Many SQL style guides recommend consistent indentation and uppercase keywords as a baseline.