SQL Formatter & Beautifier
What is SQL Formatter?
SQL formatting (beautifying) takes compact, minified, or poorly structured SQL queries and reformats them with consistent indentation, uppercase keywords, and line breaks that make the query structure immediately clear. Complex SQL queries with multiple JOINs, subqueries, CTEs (Common Table Expressions), and window functions can be very hard to read and debug when written compactly or generated by ORM query builders. A formatted query clearly shows the logical structure — SELECT columns are aligned, FROM/WHERE/GROUP BY/ORDER BY clauses each start on new lines, and nested subqueries are indented to show their relationship to the outer query.
How to Use the SQL Formatter
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Paste your SQL query (minified, generated, or just messy) into the input box.
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Select your SQL dialect: MySQL, PostgreSQL, SQLite, BigQuery, etc.
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Click Format — the beautified SQL appears with consistent indentation and keyword casing.
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Copy the formatted result for use in your editor, documentation, or code review.
Frequently Asked Questions
Does SQL formatting affect query performance? No. Whitespace and keyword casing are ignored by SQL parsers. A formatted query and its minified equivalent execute identically. Formatting is purely for human readability.
Should SQL keywords be uppercase? Uppercase keywords (SELECT, FROM, WHERE) are the traditional SQL convention and improve readability by visually distinguishing keywords from identifiers. Most SQL formatters default to uppercase. It's a style choice — pick one and be consistent within a project.
Can I format stored procedures and multi-statement scripts? Yes. The formatter handles multi-statement SQL scripts with semicolon-terminated statements, CREATE PROCEDURE/FUNCTION blocks, and BEGIN/END blocks, though complex procedural SQL (PL/pgSQL, T-SQL with DECLARE/SET) may require manual review.
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