SQL SQL Formatter - Beautify Your SQL Queries

Format and beautify SQL statements online with support for MySQL, PostgreSQL, SQL Server, Oracle, and SQLite. Real-time SQL formatting and beautification tool for developers and database administrators.

SQL Dialect:

📥 Input Area

📤 Output Area

📋 SQL Formatting

🛠️ SQL Tools

🔤 Case Conversion

✓ SQL Check

Status: Ready

Input: 0

Output: 0

💡 Instructions:
• Enter SQL statements on the left
• Select SQL dialect for best formatting results
• Click function buttons to process, results appear on the right
• Use ↔ button to swap data between sides
• Supports multiple SQL dialects, formatting, compression, case conversion, etc.
• All operations complete locally, data is secure

🎯 Core Features

SQL Formatting ：Beautify SQL statements, add indentation and line breaks
Dialect Support ：Supports MySQL, PostgreSQL, SQL Server, Oracle, SQLite, etc.
Case Converter ：Supports keyword uppercase/lowercase/capitalize
SQL Compression ：Remove all whitespace, generate minimized SQL
Remove Comments ：Remove single and multi-line comments
Single Line ：Merge multi-line SQL into single line
Syntax Check ：Basic SQL syntax validation

💡 Usage Flow

Select SQL dialect (default is Standard SQL)
Click 📝 Example button to load test data, or enter SQL statements in left
Click function buttons below to process
Results appear in right output area
Click ↔ arrow to swap both sides of data
Use Copy button to get results

⚡ Shortcuts

Ctrl+Enter - Format SQL
Ctrl+Shift+C - Compress SQL
Ctrl+T - Toggle theme

🔧 SQL Dialect Explanation

Standard SQL ：Generic SQL syntax, suitable for most databases
MySQL ：Supports AUTO_INCREMENT, ENGINE, CHARSET, etc.
PostgreSQL ：Supports SERIAL, RETURNING, CONFLICT, etc.
SQL Server ：Supports TOP, IDENTITY, NVARCHAR, etc.
Oracle ：Supports ROWNUM, VARCHAR2, SYSDATE, etc.
SQLite ：Supports AUTOINCREMENT, WITHOUT ROWID, etc.

🔧 Tips

Click 📝 Example button to quickly load various SQL test data
Select corresponding SQL dialect for more accurate formatting results
All operations are pure frontend processing, data is secure
Supports large text processing, recommended not exceeding 10MB per time
Night mode is suitable for long-term use
Click swap button to quickly compare results