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HTML Beautifier & Minifier – Format Markup & Inline CSS

Prettier-style HTML formatting with attribute sorting, indentation control, validation, and minification for production-ready markup.

🟢 Runs locally · no uploads

HTML Beautifier

Format and beautify HTML code with custom options

lightbulbPopular Use Cases

mail
Email Templates

Format HTML email templates for newsletters and campaigns

web
Landing Pages

Format and beautify landing page HTML for better readability

code
Component Templates

Format React/Vue component HTML and JSX templates

expand
Minified HTML

Beautify minified HTML from production builds

HTML Input
<html>

Start Beautifying HTML

Paste your HTML, drag & drop a file, or try an example

Beautified HTML

Beautified HTML will appear here

Quick Examples & Practice
Minified HTML
<!DOCTYPE html><html><head><title>Example</title><meta charset="utf-8"><link rel="stylesheet" href="style.css"></head><body><header><h1>Welcome</h1></header><main><article><p>Content here</p></article...
Form with Validation
<form><div class="form-group"><label for="email">Email</label><input type="email" id="email" required></div><div class="form-group"><label for="password">Password</label><input type="password" id="pas...

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› About this tool · FAQ

Stop struggling with messy HTML! Format HTML code with prettier-style beautification online. Free HTML formatter with intelligent indentation, attribute sorting, validation, and minification — all in your browser. Supports modern HTML5, templates, and components. Free, works offline, unlimited formatting.

How do I beautify HTML?

Paste your HTML code, select beautify mode, configure formatting options (indentation, attribute sorting, comment handling), and format. The tool processes HTML instantly with prettier-style beautification and validation.

Is this HTML beautifier free?

Yes, completely free with unlimited formatting. No signup required, no watermarks. All formatting happens in your browser for complete privacy of HTML files and templates.

Are HTML files uploaded to servers?

No, all HTML beautification happens locally in your browser. Files never leave your computer, ensuring complete privacy for client projects and proprietary templates.

Is this an HTML Prettier alternative that works online?

Yes! This tool provides Prettier-style HTML formatting in your browser without installing Node.js or VS Code extensions. Perfect for quick HTML beautification online.

What's the difference between beautify and minify?

Beautify adds proper indentation, line breaks, and formatting for readability. Minify removes unnecessary whitespace and formatting to reduce file size.

Does this tool validate HTML syntax?

Yes, when validation is enabled, it checks for common HTML errors like unclosed tags, mismatched tags, and invalid attributes.

Can I customize the indentation style like Prettier?

Yes, you can choose between spaces or tabs, and set the number of spaces for indentation (2, 4, 8 spaces) just like Prettier configuration.

Are comments preserved during processing?

You can choose whether to preserve or remove HTML comments using the "Preserve Comments" option.

What about self-closing tags?

The tool can automatically format self-closing tags (like <img>, <br>) with or without the trailing slash based on your preference.