Textoolz

SQL Formatter & Beautifier

Format and beautify SQL queries online. Free SQL formatter with dialect support, keyword casing, and configurable indentation.

0 characters0 words
Output will appear here...

Related Tools

JSON Formatter & Validator

</>

Format, beautify, and validate JSON data online. Free JSON formatter with configurable indentation that instantly highlights syntax errors.

CSV to JSON Converter

{}

Convert CSV data to JSON format instantly. Parses headers as keys, handles quoted fields and commas within values.

JSON to CSV Converter

{}

Convert JSON arrays of objects to CSV format. Extracts keys as headers and values as rows with proper escaping.

Remove Extra Whitespace

✂

Remove extra whitespace, leading/trailing spaces, and blank lines from text. Free online tool for cleaning up messy text formatting.

The SQL Formatter & Beautifier transforms messy or single-line SQL queries into clean, well-structured code with proper indentation and keyword alignment. Paste any SQL query and get readable, publication-ready SQL instantly.

Supporting multiple SQL dialects including Standard SQL, MySQL, PostgreSQL, and more, this tool intelligently formats SELECT statements, JOINs, WHERE clauses, subqueries, and CTEs. Choose your preferred keyword casing (UPPER, lower, or preserve original) and indentation style.

All formatting runs in your browser — your queries are never sent to any server, making this tool safe for sensitive database queries containing table names, conditions, or data.

How to Use SQL Formatter & Beautifier

  1. 1Paste your SQL query into the input area above.
  2. 2Select your SQL dialect, keyword casing, and indent size.
  3. 3The formatted SQL appears instantly in the output area.
  4. 4Click the Copy button to copy the clean SQL to your clipboard.

Frequently Asked Questions

What SQL dialects are supported?▾
The formatter supports Standard SQL, MySQL, PostgreSQL, MariaDB, SQL Server (T-SQL), and Oracle (PL/SQL). Each dialect handles its specific syntax and keywords correctly.
Does it uppercase keywords automatically?▾
By default, SQL keywords like SELECT, FROM, WHERE, and JOIN are formatted in UPPERCASE. You can change this to lowercase or preserve the original casing from the options.
Can it format complex queries with subqueries?▾
Yes. The formatter handles complex SQL including subqueries, CTEs (WITH clauses), window functions, CASE expressions, and multi-table JOINs with proper indentation for each level.
Is my SQL query secure?▾
Yes. All formatting is performed in your browser using JavaScript. Your queries are never transmitted to any server.