Online SQL Formatter

Online SQL Formatter and Minifier

The online SQL formatter organizes complex or poorly formatted SQL into a clear and readable structure. It also supports SQL minification, database dialect selection and basic structural checks for database development, SQL review and ORM or log analysis.

SQL Formatting

The tool formats common SQL structures such as SELECT, FROM, WHERE, JOIN, GROUP BY and ORDER BY with line breaks and indentation. Fields can also be displayed on separate lines. Choose 2, 4 or 8 spaces or Tab indentation according to your coding style.

Database Dialects and Keyword Case

Supports generic SQL, MySQL, PostgreSQL, SQLite and SQL Server (Transact-SQL) formatting. SQL keywords can be converted to uppercase, lowercase or kept unchanged to maintain a consistent style.

SQL Minification

SQL minification removes comments and unnecessary whitespace and line breaks to create more compact SQL. String literals are protected during processing to avoid changing their contents.

Basic Validation and Error Detection

The tool provides basic quote and bracket matching checks and can identify common structural problems such as unclosed quotes and unmatched brackets. Complex dialect-specific syntax should still be verified by the target database.

Common Uses

• Format complex SELECT queries and multi-table JOIN statements.
• Read SQL generated by ORM frameworks or database logs.
• Prepare SQL for code reviews and technical documentation.
• Minify long SQL statements by removing unnecessary whitespace.

Privacy and Data Security

SQL formatting, minification and basic validation are performed locally in the browser. The SQL you enter is not uploaded to the server, making the tool suitable for database queries, schemas and development logs.