SQL Viewer & Formatter

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Highlight, validate and format SQL for MySQL, PostgreSQL, SQLite and more.

How to use the SQL Viewer & Formatter

1Drop a .sql file or paste a query.
2Pick your database dialect to check the syntax.
3Format with your preferred keyword case and indentation, then copy or download.

Frequently asked questions

Which SQL dialects are supported?

MySQL, MariaDB, PostgreSQL, SQLite, SQL Server (T-SQL), BigQuery, Snowflake, Redshift and Trino.

Does the checker run my queries?

No. It only parses the text to find syntax errors. Nothing is executed and no database is involved.