JS Beautifier
Paste minified JavaScript code to format and beautify it. Choose indent size, sort object keys, and add missing semicolons. 100% client-side.
Beautification Complete!
What is JavaScript to Formatted JavaScript Conversion?
JavaScript beautification formats minified code with proper indentation and line breaks. FreeCVT formats code entirely in your browser.
Understanding the Formats
JavaScript Format
Minified or poorly formatted JavaScript code.
Formatted JavaScript Format
Properly formatted JavaScript with consistent indentation.
When to Use This Converter
- Read minified JavaScript source code
- Format code for documentation
- Prepare code for code review
Limitations
- Very large files may be slow to format
- Obfuscated code may not format well
- Some ES6+ syntax may need manual adjustment
Why Freecvt?
100% Private
Your code is processed in your browser. Nothing is uploaded to any server.
Lightning Fast
Beautification happens instantly in your browser. No waiting for uploads.
Works Everywhere
Runs on any device with a modern browser. No installation required.
Frequently Asked Questions
What indent size should I use?
2 spaces is standard for most JavaScript projects.
Can it fix syntax errors?
It will format what it can, but syntax errors may cause incomplete formatting.
Is my code uploaded?
No. All processing happens in your browser.