Code Beautifier & Live Preview

Free Online Code Beautifier & Live Preview

Looking to format your messy HTML, CSS, or JavaScript code? Our Online Code Beautifier makes it fast and effortless. Clean up your code and see real-time results — right in your browser, with no login or setup needed.

Why Use a Code Beautifier?

  • Format messy or minified code into a clean, readable layout
  • Instantly preview HTML, CSS, and JavaScript live in your browser
  • Eliminate syntax confusion and spot bugs easier
  • Works on any device — fully responsive and mobile-friendly

Features of Our Code Beautifier

  • Supports HTML, CSS, and JavaScript with syntax highlighting
  • Clean, intuitive UI with Font Awesome integration
  • Live preview for HTML output with iframe rendering
  • Upload, copy, or download your code with one click
  • Runs 100% client-side — no data ever leaves your browser

Common Use Cases

  • Clean up messy code from online tutorials or AI generators
  • Format code before publishing or handing off to a team
  • Debug and visualize layout or script issues on the fly
  • Quickly test and preview small code snippets in real time

Best Keywords to Find Us

Users often find this tool by searching for:

  • online code beautifier
  • HTML beautify and preview
  • JavaScript code formatter
  • free CSS beautifier tool
  • instant HTML preview online

How to Use This Tool

It's super easy to use:

  • Paste your HTML, CSS, or JS code into the editor
  • Click the “Beautify” button to auto-format
  • Instantly see the live preview (for HTML)
  • Copy or download the beautified code

Why Choose Our Beautifier?

We created this tool for speed, simplicity, and total privacy. No accounts, no ads, no tracking. Everything runs directly in your browser for the fastest and safest experience — perfect for developers, students, and anyone writing code.

Try it now — and turn your messy code into clean, readable beauty!