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All tools / Code Formatting

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Code Formatting

HTML Formatter

Format, compress and pretty-print HTML code.

Indent:

输入 HTML

Formatted result

格式化结果将显示在这里

What is HTML Formatter?

HTML formatter beautifies HTML code with proper indentation and structure, making it easier to read and maintain.

Features

Format: Beautify with indentation
Minify: Remove whitespace
Syntax Highlighting: Color-coded output

Use Cases

Code cleanup and organization
Debugging HTML structure
Template preparation

Frequently Asked Questions

Will formatting change how my HTML renders?

Almost never, but watch two exceptions: whitespace inside

 and  is content and must not be reflowed, and whitespace between inline elements (a line break between two links) renders as a visible gap. Check those two spots when formatting such documents.</dd><dt>How many spaces should I indent?</dt><dd>Follow your team’s convention — 2 spaces is common. Indentation in HTML serves readability only; what matters is consistency across the project, locked in via .editorconfig.</dd><dt>Can it handle a huge single-line HTML file?</dt><dd>Yes, all processing is local. Minified HTML of a few megabytes (scraped page sources) typically formats in seconds; to navigate the result efficiently, combine formatting with your editor’s tag folding.</dd></dl></div> <script type="application/ld+json">{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"Will formatting change how my HTML renders?","acceptedAnswer":{"@type":"Answer","text":"Almost never, but watch two exceptions: whitespace inside <pre> and <textarea> is content and must not be reflowed, and whitespace between inline elements (a line break between two links) renders as a visible gap. Check those two spots when formatting such documents."}},{"@type":"Question","name":"How many spaces should I indent?","acceptedAnswer":{"@type":"Answer","text":"Follow your team’s convention — 2 spaces is common. Indentation in HTML serves readability only; what matters is consistency across the project, locked in via .editorconfig."}},{"@type":"Question","name":"Can it handle a huge single-line HTML file?","acceptedAnswer":{"@type":"Answer","text":"Yes, all processing is local. Minified HTML of a few megabytes (scraped page sources) typically formats in seconds; to navigate the result efficiently, combine formatting with your editor’s tag folding."}}]}</script>   </footer> </article>  </main> </div> <!-- 全站页脚：中英文链接文案与带语言前缀的路径 --> <footer class="site-footer" data-astro-cid-ouamjn2i> <a href="/about" class="site-footer-link" data-astro-cid-ouamjn2i>About</a> <span class="site-footer-sep" data-astro-cid-ouamjn2i>·</span> <a href="/contact" class="site-footer-link" data-astro-cid-ouamjn2i>Contact</a> <span class="site-footer-sep" data-astro-cid-ouamjn2i>·</span> <a href="/privacy" class="site-footer-link" data-astro-cid-ouamjn2i>Privacy Policy</a> <span class="site-footer-sep" data-astro-cid-ouamjn2i>·</span> <a href="/terms" class="site-footer-link" data-astro-cid-ouamjn2i>Terms of Service</a> </footer> </div>  <astro-island uid="Z1NAzm" prefix="s3" component-url="/_astro/CookieConsent.ahTibgVG.js" component-export="default" renderer-url="/_astro/client.BdINZrzZ.js" props="{"locale":[0,"en"]}" ssr client="idle" opts="{"name":"CookieConsent","value":true}" await-children><!----><!--astro:end--></astro-island> </body></html>