HTML Formatter
Format and indent HTML code into a clean, readable structure directly in your browser.
This tool runs entirely in your browser. Your files are never uploaded to a server.
<main>
<h1>
Hello
</h1>
<p>
World
</p>
</main>What this formatter does
Splits HTML-like input into tags, comments, declarations, and text tokens, then places tokens on indented lines. Nested non-void elements add two spaces per level; known HTML void tags and self-closing tags do not increase indentation.
How to use it
Paste markup, inspect the result that appears immediately, and copy it when ready. Reset empties the editor and does not restore the sample.
Important limitations
This is a lightweight token formatter, not an HTML parser, validator, sanitizer, accessibility audit, or browser renderer. It trims the edges of text tokens, does not repair invalid nesting or missing tags, and may mis-handle literal angle brackets or tag-like content inside script, style, template, and embedded-language blocks. It does not beautify CSS or JavaScript inside those elements.
Safe workflow and privacy
Keep the source and test the result in a browser, especially for whitespace-sensitive inline content and embedded code. Processing is local and pasted markup is not uploaded.
Frequently Asked Questions
- What does the HTML Formatter do?
- Format and indent HTML code into a clean, readable structure directly in your browser.
- Does this HTML tool change program behavior?
- It only changes layout or removable whitespace. Review minified output before production use when code relies on unusual syntax.
- Is my code uploaded?
- Processing is local and your code is never uploaded.