Markdown & HTML Tools

HTML Beautifier

Paste minified or unformatted HTML and get properly indented, readable markup. Configurable indentation (2 or 4 spaces, or tabs), one-attribute-per-line mode, and immediate copy.

Indents nested tags cleanly Browser-only Instant copy
HTML (minified or messy)

All conversion happens in your browser; your text is never sent to a server

Input Text Output HTML Browser-only No upload by default

Features

  • Indents nested HTML tags consistently
  • 2-space, 4-space, or tab indentation options
  • Optional one-attribute-per-line for long opening tags
  • Preserves <pre> and <script> content
  • Shows formatted character count
  • Browser-only

How to use it

  1. Paste minified or messy HTML into the input.
  2. Choose indentation style.
  3. Formatted HTML appears instantly.
  4. Copy the result.

Use cases

  • Making minified HTML readable for debugging
  • Reviewing CMS-generated HTML output
  • Preparing HTML for code review
  • Reformatting pasted HTML snippets for documentation

Limitations

  • The formatter is designed for snippets and simple documents, not a full browser DOM serializer.
  • Complex malformed markup may need manual cleanup after conversion.
  • Review generated output before using it in production or publishing workflows.
Questions & answers

Frequently asked

Does it validate the HTML?

No. It formats whitespace and indentation without parsing the document model. Invalid tags are reformatted as-is.

Does HTML Beautifier upload my input?

Your file or text is processed in your browser and is not uploaded.

What does HTML Beautifier create?

It creates beautified HTML. The formatter is designed for snippets and simple documents, not a full browser DOM serializer.

Can HTML Beautifier handle every edge case?

No. Markup and table formats vary. This tool focuses on practical snippets and common writing workflows.