HTML Beautifier – Free, Fast & Secure Online Tool

HTML Beautifier — Instantly beautify, format, and pretty-print your HTML with our modern, mobile-first tool. Fast, secure, and 100% privacy-guaranteed—no data ever leaves your device!

Privacy Guaranteed: All formatting is instant and local in your browser. Your HTML is never sent or stored anywhere.

How to Use the HTML Beautifier

  1. Paste Your HTML

    Copy your minified or messy HTML and paste it into the input area above.

  2. Click Beautify

    Press “Beautify HTML” to instantly see your formatted and indented HTML below.

  3. Copy or Clear

    Copy the beautified HTML for your use, or clear both fields to start over.

Why Use an HTML Beautifier?

Instant Formatting

Beautify and indent HTML in real time—no waiting, no errors, no formatting surprises.

100% Local & Private

All formatting happens instantly in your browser. Great for sensitive or proprietary code.

Mobile-First Design

Fully responsive. Use it on any device, anywhere—optimized for touch and desktop.

Developer-Friendly

Perfect for developers, designers, and anyone working with HTML, templates, or emails.

HTML Beautifier: How It Works & Key Use Cases

The HTML Beautifier formats, indents, and pretty-prints your HTML code for readability and clarity. It’s optimized for modern workflows, works without the internet, and never sends your data anywhere.

  • Effortless Formatting: No more tangled tags or minified blobs—get readable HTML instantly.
  • Offline Use: No server needed—runs anywhere, anytime.
  • Flexible Input: Handles minified, inline, or poorly formatted HTML with ease.
  • Mobile Optimized: Use it from your phone, tablet, or desktop.
  • Safe for Secrets: Beautify sensitive files securely.

Common Use Cases

Who
What For
Why It Helps
Developers
Code review & debugging
Quickly spot issues in HTML structure
Designers
Template formatting
Clean up email or CMS HTML
QA/Testers
Readability for diffs
Easier visual code comparison
Students
Learning HTML
See best-practice indentation
Marketers
Email formatting
Make HTML emails readable

Frequently Asked Questions

Does this beautifier send my HTML to a server?

No, all formatting is performed instantly in your browser. Nothing is sent or stored anywhere.

Is it really free?

Yes! There are no limits, no ads, and no sign-up required.

What if my HTML is invalid?

The tool will still attempt to format it. If it cannot, you’ll see a clear error message.

Can I use this on mobile?

Absolutely! The tool is fully responsive and touch-friendly for phones and tablets.

Does it support inline and minified HTML?

Yes. Whether your HTML is one long line or poorly indented, the tool beautifies all formats.

Are scripts/styles affected?

Script and style blocks are indented for readability but their content is not reformatted to avoid breaking code.

Is the output pretty-printed?

Yes, output is indented and line-broken for maximum readability and copy-paste ease.

Can I beautify HTML emails or templates?

Yes! It is perfect for making HTML emails or CMS templates readable.

Does it work offline?

Yes! Once loaded, it works entirely in your browser—even offline.

Is copy-paste deployable?

Yes! This tool is pure HTML, JS, and CSS—just copy and use in WordPress or Elementor HTML blocks.