The Fastest HTML Beautifier & Formatter Online
Messy, minified, or poorly indented HTML? Paste it in, click Beautify, and get perfectly formatted code in seconds. This free online HTML formatter handles any HTML — from single snippets to full page source code — with configurable indentation and a live code editor.
Paste Your HTML
Paste any HTML code into the editor — minified production code, messy snippets, or full page source. The syntax-highlighted editor makes it easy to read even before formatting.
Click Beautify
Hit the Beautify button (or use the keyboard shortcut ⌘B / Ctrl+B). Your code is instantly re-indented with proper nesting, consistent spacing, and clean line breaks.
Copy & Use
Copy the formatted HTML to your clipboard with one click and paste it back into your project, CMS, or code editor. Done in seconds.
One-Click Beautify
Paste messy HTML and get perfectly indented, human-readable code in a single click. Also works with ⌘B keyboard shortcut.
Syntax Highlighting
Full syntax highlighting powered by CodeMirror makes your HTML easy to read, navigate, and debug — even before formatting.
Configurable Indentation
Choose your indent size (1–8), switch between spaces and tabs, and toggle word wrap and line numbers to match your preference.
One-Click Copy
Copy your beautified HTML to the clipboard instantly. Paste it right back into VS Code, Sublime Text, or your CMS editor.
Live File Stats
Track file size, line count, character count, and cursor position in real time as you edit — right in the status bar.
100% Private & Free
No signup, no data collection. Your code never leaves your browser — this HTML beautifier runs entirely client-side.
An HTML beautifier (also called an HTML formatter) takes messy, minified, or poorly indented HTML code and reformats it with proper indentation, consistent line breaks, and correct nesting. This makes the code much easier to read, edit, and debug.
Yes — completely free with no limits, no account required, and no ads. The tool runs entirely in your browser using JavaScript, so your code is never uploaded to any server. It’s private and instant.
Yes. The beautifier handles mixed HTML documents that contain inline <style> and <script> blocks. It will properly indent and format the CSS and JavaScript within those blocks alongside the HTML structure.
Absolutely. Use the settings bar above the editor to set your preferred indent size (1 to 8), choose between spaces and tabs, toggle word wrap, and show or hide line numbers. All settings apply immediately.
Yes — press ⌘B (Mac) or Ctrl+B (Windows/Linux) while the editor is focused to beautify your code instantly without needing to click the button.
Since the tool runs in your browser, it can handle files of several megabytes without issues on modern devices. For extremely large files (10MB+), performance may vary depending on your device’s processing power.