Free · No sign-up · Runs in browser
HTML Formatter
Pretty-print HTML with configurable indentation. Inline elements stay inline; block elements wrap. Content inside <pre>, <textarea>, <script>, and <style> is preserved exactly. 100% client-side.
HTML Input
Formatted
// Formatted HTML will appear here…
HTML Formatter
Pretty-print HTML so it reads well in code review and version control. Breaks block elements onto their own lines, keeps inline elements (a, em, strong, span, …) inline, and preserves whitespace-sensitive content inside pre, textarea, script, and style.
FAQ
Does it validate HTML?
No — only reformats. For validation, use the W3C validator.
Related
Shrink the output with the HTML Minifier.
Block vs inline aware
Inline tags stay inline; block tags wrap and indent.
Instant
Formatting runs in your browser.
Fully private
Templates stay on your device.