What this tool does
HTML Formatter formats HTML markup for readability and inspection.
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🏷️ HTML Formatter
Format HTML markup with indentation for nested tags.
Why it is useful
It helps clean copied snippets, templates, email markup, generated output, and page fragments before editing.
How it works
The browser indents and spaces tags to make the document structure easier to read.
Best input
Paste HTML snippets or full markup that should be easier to inspect.
Debugging tip
After formatting, check nesting, unclosed tags, duplicate IDs, and unsafe embedded content.
Privacy note
HTML formatting happens locally in your browser.
Important limitation
Formatting HTML does not sanitize it or make untrusted markup safe to render.
Quick answers
Can it fix broken HTML?
It can make issues easier to spot, but it is not a complete validator.
Is formatted HTML safe?
No. Treat untrusted HTML carefully even after formatting.
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Common Use Cases
Clean up minified HTML from websites
Format minified HTML from production sites to understand structure or debug layout issues.
Prepare HTML templates for documentation
Format HTML examples before including them in technical guides or tutorials.
Format HTML emails for easier editing
Make complex HTML email templates readable before making changes or debugging rendering issues.