HTML Formatter/Minifier

HTML formatter and minifier that beautifies messy markup with clean indentation and line breaks, or strips whitespace to shrink file size. Free and instant in your browser, nothing to install.

Click the run button.
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Last updated: 2026 · Free online tool

What is HTML Formatter/Minifier?

HTML formatter and minifier that beautifies messy markup with clean indentation and line breaks, or strips whitespace to shrink file size. Free and instant in your browser, nothing to install.

How to Use

  1. 1
    Enter HTML— Paste your HTML code on the left.
  2. 2
    Select mode— Choose format or minify mode.
  3. 3
    Execute— Click the execute button and the result will be displayed.

Related Tools

Frequently Asked Questions

Format adds indentation for readability, while minify removes whitespace to reduce file size.

Yes, it uses Prettier standalone running in the browser for formatting.

Prettier automatically attempts some corrections, but severe errors will display an error message.

No. Prettier runs directly in the browser.

Currently only pure HTML is supported. Use the JS formatter for JSX.

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