HTML Formatter - Format & Beautify HTML Code Online

Free HTML Beautifier to Format, Validate & Minify HTML Instantly

HTML Formatter & Beautifier

Free HTML formatter tool to beautify, format, and minify HTML code online - instant results

HTML Input

Lines: 1

Size: 0 bytes

Ready

HTML Output

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Format & Minify HTML

Format, validate, and minify your HTML code - perfect for web developers

Try the HTML formatter with sample code

HTML Formatter Guide - Beautify HTML in 3 Easy Steps

Free online HTML formatter to clean up messy code instantly. Format, beautify and validate HTML with smart auto-fix

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Step 1 – Paste or Upload Your HTML Code to Format

Copy your HTML code and paste it into the HTML formatter editor, or upload an .html file directly. Our HTML formatter handles minified, formatted, or even broken HTML with smart auto-fix.

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Flexible Input: Paste minified HTML, upload files, or try sample data to see instant formatting

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Smart Auto-Fix: The HTML formatter automatically fixes common HTML errors like missing closing tags and unclosed attributes

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Real-time Validation: Instantly detects HTML syntax errors with helpful warnings and auto-corrections

Minified HTML Input

<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>HTML Formatter - Format & Beautify HTML Online</title></head><body><h1>Welcome to HTML Formatter</h1><p>Format, validate, and beautify your HTML code instantly.</p><a href="https://jsontotable.net/html-formatter">Try Now</a></body></html>

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Step 2 – Preview Beautified HTML (Clean & Readable)

Watch your minified HTML instantly transform into a beautifully formatted structure. Each level is properly indented with 2 spaces, making it easy to read and maintain.

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Instant Formatting: See results as you type or paste - formatted with perfect indentation and line breaks

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Clean Structure: Consistent 2-space indentation with proper nesting for maximum readability

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Syntax Highlighting: Color-coded HTML tags, attributes, and content for easier navigation and editing

Formatted HTML Output

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8">
    <title>HTML Formatter - Format & Beautify HTML Online</title>
  </head>
  <body>
    <h1>Welcome to HTML Formatter</h1>
    <p>Format, validate, and beautify your HTML code instantly.</p>
    <h2>Key Features</h2>
    <ul>
      <li>Smart auto-fix for common HTML errors</li>
      <li>Instant formatting and validation</li>
      <li>Minify HTML to reduce file size</li>
      <li>Syntax highlighting for better readability</li>
    </ul>
    <a href="https://jsontotable.net/html-formatter">Try Now</a>
  </body>
</html>

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Step 3 – Download, Minify, or Copy (Production Ready)

Export your HTML in the format you need. Download formatted HTML for development, minify for production to reduce file size, or copy directly to your clipboard.

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Download Formatted: Save beautifully formatted HTML file ready for code review and documentation

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Minify for Production: Remove all whitespace to create the smallest possible file size for faster page loads

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One-Click Copy: Instantly copy formatted or minified HTML to paste into code editors or CMS

⚡Flexible export - choose formatted or minified HTML

3 Options

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Download HTML

Save formatted .html file

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Minify HTML

Compress to single line

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Copy HTML

Copy to clipboard

💡Export formatted HTML for development or minified for production - perfect for websites, email templates, and documentation

HTML Formatter FAQs

Get answers to common questions about using our HTML formatter to format and validate HTML code

What is an HTML Formatter and Beautifier?

An HTML formatter (also called HTML beautifier or HTML prettifier) is a free online tool that helps you format, beautify, and validate HTML code. This HTML formatter transforms minified HTML into clean, readable code with proper indentation and line breaks. You can also use it to minify HTML by removing unnecessary whitespace to reduce file size for production.

How do I use this HTML formatter to beautify my code?

Simply paste your HTML code into the HTML formatter input area, upload an .html file, or try the sample data. The HTML beautifier will automatically format and validate your code in real-time. Toggle between formatted (beautified) and minified versions using the Format/Minify button, then download or copy the result.

Is this HTML beautifier free to use?

Yes! Our HTML formatter and beautifier is completely free with no registration required. This HTML formatter lets you format, beautify, minify and validate HTML code instantly online without any limits. All formatting happens in your browser, so your code never leaves your device.

What's the difference between formatting and minifying HTML?

When using an HTML formatter, formatting (beautifying) adds proper indentation and line breaks to make HTML human-readable and easy to maintain - perfect for development. The HTML formatter can also minify by removing all unnecessary whitespace and comments to create the smallest possible file size, ideal for production websites to improve page load times.

Does the HTML formatter fix syntax errors automatically?

Yes! Our HTML formatter includes smart auto-fix that automatically corrects common HTML errors like missing closing tags, unclosed attributes, and incomplete elements. If errors are detected, you'll see collapsible warnings showing what was fixed, making it easy to clean up messy or broken HTML code.

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HTML Formatter