Format SQL using one of seven dialects, with uppercase, lowercase or original keywords and configurable indentation. Queries stay in your browser; input is limited to 1 MB.
SQL Formatter
Format SQL using one of seven dialects, with uppercase, lowercase or original keywords and configurable indentation. Queries stay in your browser; input is limited to 1 MB.
About SQL Formatter
Choose dialect and formatting rules
Choose Standard SQL, MySQL, MariaDB, PostgreSQL, SQLite, T-SQL (SQL Server) or BigQuery to match your input. Set keywords to uppercase, lowercase or preserve their original case, and use 2 spaces, 4 spaces or tabs for indentation. Changing the dialect selects parsing rules; it does not translate the query into another dialect.
Review query shape before changes
A consistent layout helps compare joins, WHERE conditions and nested subqueries during code review. Formatting does not execute SQL or verify tables, columns, permissions or query semantics. Stored procedures and DELIMITER commands are not supported.
FAQ
Common questions and answers about this topic.
What does this SQL formatter do?
It formats SQL with your selected dialect, keyword case and indentation. It does not execute queries or validate SQL semantics. A formatting error may indicate a dialect mismatch or unsupported syntax, rather than an invalid database query.
Which SQL dialects are supported?
Select Standard SQL, MySQL, MariaDB, PostgreSQL, SQLite, T-SQL (SQL Server) or BigQuery. Choose the dialect that matches your SQL; the formatter does not convert between dialects. Stored procedures and DELIMITER commands are not supported.
Can I customize the indentation?
Yes, select 2 or 4 spaces, or tabs to match your SQL project's formatting conventions.
Is my data sent to any server?
SQL formatting runs in a local browser worker. Your query is not uploaded or executed. Input is limited to 1 MB; split larger scripts into smaller query snippets.