SQL Formatter Tool - Online SQL Beautifier Minifier and Syntax Highlighter

First Published:
Last Updated:

Free online SQL formatter, beautifier, minifier, and syntax highlighter. All processing is performed entirely in your browser - your SQL data never leaves your device.

⚠️ IMPORTANT DISCLAIMER:

  • This tool is provided "AS IS" without any warranties of any kind.
  • The author accepts no responsibility for data loss or any issues arising from use of this tool.
  • Do not paste sensitive or confidential data without understanding that all processing is local.
  • Always keep backups of your original data.
  • By using this tool, you accept full responsibility for any outcomes.

This tool uses client-side JavaScript for all processing. No data is transmitted to servers, no files are uploaded online, all processing happens locally in your browser. Once loaded, this tool continues to work even without an internet connection. For more details, please refer to our Web Tools Disclaimer.

📁 Drop a SQL file here, or click to select a file (max 5MB) 

        

        

      

    

    
  


  

    
  


  









Features:


    
  
  • ✨ Format / Beautify: Pretty-print SQL with configurable indentation (2 spaces, 4 spaces, or tabs) and keyword case
    • 
  
  • 🗜️ Minify / Compress: Remove all unnecessary whitespace to produce compact SQL output
    • 
  
  • 🎨 Syntax Highlighting: Color-coded keywords, strings, numbers, comments, and parameters for easy reading
    • 
  
  • 💬 Dialect Support: Format SQL for Standard SQL, MySQL, PostgreSQL, T-SQL, and SQLite
    • 
  
  • 🔤 Keyword Case Control: Convert keywords to UPPERCASE, lowercase, Capitalized, or preserve original case
    • 
  
  • ⚙️ Comma Style: Choose trailing commas (end of line) or leading commas (start of line)
    • 
  
  • 📁 File Support: Drag and drop or select SQL files up to 5MB
    • 
  
  • 📊 Statistics: View SQL size, statement count, and keyword usage
    • 
  
  • 📋 Easy Copy: One-click copy of formatted or minified output
    • 
  
  • 📱 Mobile Friendly: Responsive design works on all devices
    • 
  
  • 🔒 Privacy First: All processing happens locally in your browser - no data sent to servers
    • 
  
  • ⌨️ Keyboard Shortcut: Ctrl+Enter (Cmd+Enter) to format instantly
    • 




Common Use Cases:


    
  
  • Database Development: Format complex queries with JOINs, subqueries, and CTEs for better readability
    • 
  
  • Code Review: Standardize SQL style across your team before submitting pull requests
    • 
  
  • Learning SQL: See how SQL queries are structured with proper indentation and formatting
    • 
  
  • Debugging: Beautify minified or poorly formatted SQL to understand query logic
    • 
  
  • Documentation: Prepare clean, readable SQL examples for technical documentation
    • 
  
  • Migration: Reformat SQL scripts when migrating between different database dialects
    • 










References: 

Tech Blog with curated related content

Web Tools Collection






Written by Hidekazu Konishi