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HTML Formatter & Validator
Format and validate your HTML code
Indent Size:
2 spaces
4 spaces
8 spaces
Line Width:
80
100
120
Use Tabs
Bracket Same Line
Whitespace:
CSS
Strict
Ignore
Load Example
Format & Validate
Clear
Input HTML
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Formatted Output
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💡 Validation Checks
DOCTYPE, lang attribute, charset, viewport, and title tag
Image alt attributes and heading hierarchy validation
Unclosed tags and proper HTML structure checks
