HTML Beautifier — Format HTML Online

Paste HTML to add indentation and line breaks for readability. Does not fetch live URLs — paste-only.

How to use
  1. Paste minified or messy HTML in the input box.
  2. Formatted output updates automatically.
  3. Click Copy to copy the beautified HTML.
Frequently asked questions
How is HTML beautified?
Tags are placed on separate lines with indentation based on nesting depth.
Can I beautify live page HTML?
Copy HTML from View Source and paste it here — the tool does not fetch URLs.
Does it validate HTML?
It formats structure for readability but does not enforce HTML5 validity.
Is my HTML sent to a server?
No. Formatting happens entirely in your browser.
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