HTML Formatter & Beautifier

Free online HTML formatter and beautifier. Format, prettify, minify, and validate HTML code instantly with syntax highlighting. Privacy-first, all processing in your browser.

What is an HTML Formatter?

An HTML formatter is a tool that beautifies and formats HTML code to make it more readable. It adds proper indentation, line breaks, and structure to make HTML easy to understand and maintain.

Features

  • Format and beautify HTML with customizable indentation
  • Minify HTML to remove all whitespace
  • Validate HTML syntax with detailed error messages
  • Syntax highlighting for better readability
  • Privacy-first: All processing in your browser
  • Free forever with no limitations

How to Use the HTML Formatter

  1. Paste your HTML code into the input editor
  2. Click "Format" to beautify your HTML
  3. Use "Minify" to compress HTML by removing whitespace
  4. Click "Validate" to check for syntax errors
  5. Copy the formatted output with one click

Why Choose Our HTML Formatter?

Our HTML formatter combines speed, privacy, and features. With instant formatting, syntax highlighting, validation, minification, and client-side processing, it's optimized for web developers. Your code never leaves your browser, ensuring complete privacy and security.

HTML Formatter & Beautifier

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Input
Output

Code Formatting

Beautify HTML with proper indentation, tag alignment, and consistent structure.

Smart Cleanup

Automatically fixes common HTML issues and normalizes tag casing and attributes.

Syntax Validation

Detects unclosed tags, invalid nesting, and malformed HTML for quick fixes.

Fast Processing

Formats large HTML documents instantly using browser-native parsing.

Quick Export

Copy formatted or minified HTML output instantly for web development.