Instantly beautify and format HTML code with proper indentation and structure — no external libraries
Developer Tools
HTML Formatter - Beautify & Format HTML Online
How to Use
1Paste your HTML into the input area
2The formatted HTML appears instantly in the output
3Copy the beautified result with one click
Frequently Asked Questions
HTML Formatter takes minified or poorly structured HTML and reformats it by inserting newlines before and after block-level tags (div, p, section, etc.) and adding consistent 2-space indentation for nested elements.
div, p, section, article, header, footer, ul, ol, li, table, tr, td, th, head, body, and html are treated as block-level elements and get their own lines.
No. All processing is done entirely in your browser using JavaScript. Your HTML never leaves your machine.