HTML Formatter & Beautifier - Pretty Print HTML

Format and beautify HTML code online. Fix indentation, clean up messy markup. Supports embedded CSS and JavaScript. Free, private, works offline.

Indent:

Preserve empty lines

Wrap attributes

HTML Input

Formatted HTML

Copied to clipboard

Frequently Asked Questions

It adds proper indentation, fixes line breaks, and organizes your HTML code to make it readable and maintainable.

Yes. Inline CSS in style tags and JavaScript in script tags are also formatted with proper indentation.

No. The visual output remains identical - only whitespace and indentation are modified for readability.

Yes. All formatting happens in your browser using JavaScript. No data is sent to any server.

Yes. You can choose 2-space, 4-space, or tab indentation.

When enabled, it places each HTML attribute on a separate line for elements with multiple attributes, making them easier to read and edit.

Yes. The formatter preserves self-closing tags like ,
, and while maintaining proper spacing and indentation.

It attempts to format invalid HTML but may not fix all structural errors. For validation and error detection, use our HTML Validator tool.

Yes. HTML comments are preserved and properly indented within the formatted output.

When enabled, it keeps intentional blank lines in your code for visual separation. When disabled, it removes all unnecessary whitespace for more compact output.