HTML Viewer / Formatter
Paste or upload HTML code to instantly format, highlight, and inspect it.
What is an HTML Viewer?
An HTML Viewer is a tool that lets you paste raw, minified, or messy HTML and instantly format it into clean, readable, structured code. It highlights tags, indentation, and nested elements to help developers debug and understand HTML quickly.
Why Use an Online HTML Formatter?
- To beautify minified or compressed HTML for readability
- To debug HTML structure, nested tags, and closing tags
- To learn HTML by analyzing clean, formatted output
- To prepare HTML for documentation or tutorials
- No installation required — works directly in the browser
Key Features
- Instant formatting and indentation
- Syntax highlighting for easy reading
- Supports very large HTML blocks
- Works offline after loading — no server required
- Safe and secure — no HTML is uploaded anywhere
Common Uses
- Clean up messy website HTML
- Debug broken tag structures
- Analyze HTML templates
- Beautify source code for sharing or printing
Frequently Asked Questions
Is my HTML stored or uploaded?
No. Everything happens in your browser — nothing is sent to a server.
Can I use this tool for very large HTML files?
Yes, the viewer handles large HTML inputs efficiently.
Does it preserve the original formatting?
The formatter cleans and beautifies the HTML, improving readability while keeping the original structure intact.