Does it fix broken HTML?

It formats valid HTML. For broken markup, fix syntax errors first, then beautify.

Will it change my HTML structure?

No — it only adds whitespace and indentation. Your tags, attributes, and content stay unchanged.

Yes. Embedded script and style blocks are also formatted.

2-space, 4-space, or tab indentation.

Format and indent HTML code for better readability. Works in your browser. Free, no signup.

No sign-up Batch convert 100% free

Indent:

Beautified HTML will appear here...

How useful is HTML Beautifier?

Paste your minified or messy HTML into the editor

Click "Beautify" to format with proper indentation

Adjust indent size (2 or 4 spaces) if needed

Copy the clean HTML to your clipboard

Format and beautify JSON data with syntax highlighting.

Validate JSON syntax and find errors instantly.

Create beautiful CSS gradients visually and copy the code.

Pick colors from any format and convert between HEX, RGB, HSL.

Test and debug regular expressions with real-time matching.

Generate placeholder text for designs and mockups.