SQL 格式化工具
在线美化与整理 SQL 语句
🔒 100% client-side — your data never leaves this page输入
🔒 100% client-side
输出
Formatted SQL will appear here
About this tool
在线即时格式化和美化 SQL 语句。支持 MySQL、PostgreSQL、SQLite 等常见数据库方言，可自定义缩进方式（2 空格 / 4 空格 / Tab）以及关键字大小写（大写 / 小写）。自动整理 SELECT、JOIN、WHERE、GROUP BY、ORDER BY 等语句结构，提升代码可读性。所有处理均在浏览器本地完成。
Frequently Asked Questions
What is an SQL formatter?
An SQL formatter automatically restructures and beautifies SQL queries by adding indentation, line breaks, and consistent keyword casing to improve readability.
Does this tool support different SQL dialects?
Yes, it supports common dialects including MySQL, PostgreSQL, and SQLite. Formatting behavior may vary slightly depending on dialect.
Is my SQL query sent to a server?
No. All formatting is performed entirely in your browser. Your SQL queries are never uploaded or stored.