About this tool
Javascript Beautifier is part of our Developer Tools collection. It is designed for a clear, fast workflow with practical options, useful output, and privacy-aware processing.
Javascript Beautifier
Javascript Beautifier runs entirely in your browser. Files are never uploaded to our server.
✓Your files are processed in your browser — nothing is uploaded to our servers.
Privacy-first processing
Your files are processed in your browser — nothing is uploaded to our servers.
Frequently asked questions
Can I use Javascript Beautifier for free?
Yes. You can use the core Javascript Beautifier workflow for free.
How are my files handled?
Your files are processed entirely in your browser. File contents are never uploaded to our server.