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HTML Formatter

Beautify and indent HTML markup.

Runs locally in your browser. Your data is never uploaded.

What is the HTML Formatter?

Beautify and indent HTML markup. The HTML Formatter is a free online tool that works instantly in your browser — no installation, no signup and nothing to upload. It sits alongside other Code tools on DevNibble such as Markdown to HTML, HTML to Markdown, Markdown Table Generator.

How to use the HTML Formatter

  1. Paste or type your data into the input panel.
  2. Adjust the formatting options if you need to.
  3. Copy or download the formatted result.

Features

  • Runs 100% in your browser — your data is never uploaded or stored.
  • Free forever, with no account, no ads and no tracking.
  • Copy or download your result in one click.
  • Fast and responsive on desktop, tablet and mobile.

Frequently asked questions

Does it work with full HTML documents?

Yes, it indents tags and nested elements for readability.

Is it private?

Yes, formatting runs in your browser.