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SQL Formatter (Advanced)

Format SQL with configurable indentation, keyword case, alignment, and alias detection. Supports subqueries and CTEs.

SQL Input

SELECT u.id, u.name, p.title FROM users u LEFT JOIN posts p ON u.id = p.user_id WHERE u.active = true AND (p.published = true OR p.published IS NULL) ORDER BY u.created_at DESC LIMIT 10

Indent Size

Keyword Case

Comma Style

Newlines before AND/OR

Rule-based formatter. Normalizes whitespace, adds newlines before major keywords, indents subqueries. Not a full parser.

How to use SQL Formatter (Advanced)

1Paste your input in the panel above or use the example data if available.
2Choose an action — format, generate, convert, encode, or analyze.
3Your result appears instantly. Use Copy to grab it, or Download if a file option is shown.

Runs entirely in your browser

Nothing you type, paste, generate, or upload leaves your device.

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