HTML Formatter — Format, Minify & Beautify HTML Online
Free online HTML formatter to format, minify, and beautify HTML code with customizable indentation. Validate syntax, compress for production, or expand for readability. Essential tool for web developers.
Indentation
Options
Sort Attributes
Alphabetically sort tag attributes
Remove Comments
Strip all HTML comments
Collapse Whitespace
Merge multiple spaces into one
Example Results
Output will appear here
How to Use the HTML Formatter
Paste your HTML
Paste your HTML code into the input area. The tool works with full documents or fragments.
Choose formatting options
Adjust indentation, toggle attribute sorting, comment removal, and whitespace collapsing.
Select a view mode
Switch between Formatted, Minified, or Preview to see the rendered HTML in a sandboxed iframe.
Copy the result
Copy the formatted or minified HTML, or download it for use in your project.
Frequently Asked Questions
Yes. The tool checks for unclosed tags, invalid attributes, and other common syntax issues.
Preview mode renders your HTML inside a sandboxed iframe so you can see the live result.
Yes. Enable the Remove Comments option to strip all HTML comments from the output.
Yes. When enabled, attributes within each tag are sorted alphabetically for consistency.
Example Results
Try this sample text
<div><p>Hello World</p><ul><li>Item 1</li><li>Item 2</li></ul></div>
What you'll see
<div> <p>Hello World</p> <ul> <li>Item 1</li> <li>Item 2</li> </ul> </div>
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