What SQL dialects are supported?
This instant SQL formatter supports standard SQL syntax compatible with MySQL, PostgreSQL, SQLite, SQL Server (T-SQL), Oracle PL/SQL, and most other relational database systems. The formatting rules follow ANSI SQL standards.
Does formatting change query behavior?
No. SQL formatting only modifies whitespace, line breaks, and keyword capitalization. The query logic, execution plan, and results remain completely identical. It is a purely cosmetic transformation.
Can I format complex queries with subqueries and CTEs?
Yes. This tool handles all standard SQL constructs including SELECT, INSERT, UPDATE, DELETE, multi-table JOINs, subqueries, CTEs (WITH clauses), window functions (OVER/PARTITION BY), UNION/INTERSECT, CASE expressions, and nested queries of any depth.
Is there a size limit for SQL formatting?
This online SQL formatter can handle queries of any practical size. It processes the formatting entirely in your browser, so your SQL code never leaves your device — ensuring complete privacy and security.
How is this different from a SQL linter?
A SQL formatter (beautifier) focuses on code style — indentation, line breaks, and keyword casing. A SQL linter checks for errors, performance issues, and best practices. This tool is a formatter that makes your SQL readable without analyzing its correctness.