Which databases does SQLNice support?

SQLNice supports SQL formatting for MySQL, PostgreSQL, Oracle, SQL Server, MariaDB, SQLite, and more mainstream databases.

Is the SQL formatter free?

Yes, SQLNice is completely free to use with no registration required and no usage limits.

No. All formatting is done locally in your browser. We never save or upload your SQL code, ensuring data security.

Yes. SQLNice offers rich formatting options including keyword case, indentation style, comma position, and more for fully customizable formatting.

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SQL formatting tips, best practices, and tutorials

In-depth comparison of SQL formatting differences between MySQL and PostgreSQL, including quotes, identifiers, functions, etc.

Learn SQL formatting best practices, including naming conventions, indentation rules, comment standards, and more.

Detailed introduction to 5 methods of formatting SQL code, including online tools, IDE plugins, command-line tools, and more.