HTML Formatter & Beautifier

HTML Formatter & Beautifier is a free Chrome extension that formats, indents, and prettifies HTML code instantly — without leaving your browser. Whether you are debugging a webpage, cleaning up CMS markup, reviewing email templates, or learning HTML structure, this tool turns messy, minified HTML into clean, readable code in one click. CORE FORMATTING Instant HTML beautification — paste any HTML and get properly indented output in seconds Flexible indentation — choose 2, 3, or 4 spaces Smart parsing — powered by js-beautify; preserves meaningful line breaks Error detection — alerts when HTML cannot be parsed Separate input & output panels for easy comparison GET HTML FROM ANYWHERE Paste — from clipboard, DevTools, or any source Upload files — .html, .htm, .txt, .xml with 15+ encodings (UTF-8, UTF-16, Latin, Cyrillic, Arabic, Windows code pages…) Grab from page — one click: selected text first, otherwise full page Pick element — hover to highlight, navigate parent/child with ↑↓ or scroll, click to capture outerHTML Context menu — right-click → "Format selection as HTML" → opens side panel with HTML loaded WORKFLOW & INTERFACE Side panel — format HTML beside the page you're viewing Full-screen editor — dedicated tab for long documents Copy / Save — clipboard or download as formatted.html Source indicator — shows if HTML came from selection, element, or page