JavaScript Minifier & Beautifier
Minify and beautify JavaScript code with advanced formatting options
Input JavaScript
Output JavaScript
Processed JavaScript will appear here
How to minify and beautify JavaScript online?
Optimize your JavaScript code with our advanced minifier and beautifier. Reduce file sizes for faster loading while maintaining code readability. Features include syntax validation, compression optimization, and formatting options for professional JavaScript development.
Features
- Minify JavaScript code to reduce file size
- Beautify JavaScript with proper indentation
- Preserve or remove comments
- Configurable indentation and line endings
- Advanced minification options
- Real-time processing with statistics
- Copy to clipboard and download functionality
How to use
- Paste your JavaScript code in the input area
- Choose between Minify or Beautify tabs
- Configure formatting options as needed
- View the processed code in the output area
- Copy the result or download as a file
Tips & Best Practices
- Paste your code directly or use the file upload feature for larger files.
- The tool preserves your original input — you can always go back and modify it.
- Use the output directly in your IDE or build pipeline.
- Check the formatted output for any warnings or validation messages.
- All processing is client-side, making it safe for proprietary code.
FAQ
What is the difference between minify and beautify?
Minify removes unnecessary characters to reduce file size, while beautify formats code with proper indentation and spacing for readability. This is designed to handle both simple and complex use cases efficiently, giving professional developers a reliable everyday tool.
Can I preserve comments in minified code?
Yes, you can choose to preserve comments in the advanced options when minifying your JavaScript code.
What minification levels are available?
Basic minification removes whitespace and comments, while aggressive minification also removes console.log statements and optimizes the code further. This is designed to handle both simple and complex use cases efficiently, giving professional developers a reliable everyday tool.
Is this tool free to use?
Yes, this tool is completely free with no registration required. There are no usage limits, no premium tiers, and no hidden costs. You can use it as many times as you need.
Is my data safe and private?
Absolutely. All processing happens locally in your browser. No data is ever sent to our servers or any third party. Your input never leaves your device, making it completely safe for sensitive information.