Free Online HTML Beautifier & Code Formatter
Reading unformatted or compressed HTML markup can be difficult during debugging or code review sessions.
Our free HTML Beautifier formats messy, minified, or disorganized HTML code automatically, adding standard 2-space indentation and restoring clear hierarchical tree views.
Key Features of Our Online HTML Beautifier
Automatic Tree Indentation
Adds nested spacing to nested elements for readability.
Self-Closing Tag Awareness
Correctly identifies void HTML tags like img, input, and meta without corrupting DOM layout.
Instant Browser Formatting
Formats code instantly using local JavaScript execution.
One-Click Clipboard Copy
Copy beautified code output with a single button click.
How to Use the HTML Beautifier
- Paste your minified or unformatted HTML code into the left editor.
- Click "Beautify HTML" to structure the DOM tree.
- Review the indented result in the right output panel.
- Click "Copy Code" to store the clean markup.
Frequently Asked Questions (FAQs)
Will formatting HTML change how my site looks in browsers?
No. HTML beautification adds indentation whitespace which browsers render identically to minified code.
Can I format incomplete HTML fragments?
Yes, the parser processes isolated tags, component snippets, or complete HTML documents.