Developer Suite• Generators
HTML Formatter & Beautifier
Format, indent, and beautify messy HTML code instantly in your browser.
Indentation
Raw HTML
Formatted HTML
What is this tool?
Format, indent, and beautify unformatted or minified HTML markup with customizable indentation rules to make code clean, readable, and well-structured.
How to format and beautify HTML
- Paste your raw, messy, or minified HTML markup into the input editor.
- Select your preferred indentation size (2 spaces, 4 spaces, or tab indentation).
- Click 'Format HTML' to beautify the code with proper hierarchical indentation.
- Review the structured code in the output editor and copy it to your clipboard.
Key Features
- Configurable indentation depth (2 spaces, 4 spaces, tabs)
- Intelligent handling of void elements and self-closing tags (img, input, br, meta, link)
- Tag-balancing hierarchical indentation algorithm
- One-click copy and clear buttons
Frequently Asked Questions
Does formatting alter attributes or inline content?
No. The formatter standardizes whitespace and tag indentation only. It preserves all tag attributes, IDs, classes, and inner text exactly as written.
Can this tool format full HTML5 documents with DOCTYPE?
Yes. It supports complete HTML5 documents including <!DOCTYPE html>, head, body, scripts, and embedded metadata tags.
Privacy First
HTML tokenization and formatting run 100% locally in your browser memory. Your markup is never transmitted across the network.