HTML Tools
HTML validator
Well-formedness check (DOMParser) — not a full W3C nu validator.
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Frequently asked questions
Common questions about privacy and how these tools work.
No. These utilities run in your web browser. Your text is processed locally in this tab unless a tool explicitly states otherwise (for example, fetching your public IP uses a minimal server request).
No account or sign-up is required. Open the tool and use it directly.
Related tools
Same category first, then other utilities.
- HTML decoderDecode HTML entities back to characters.HTML Tools
- HTML encoderEncode text to numeric / named HTML entities.HTML Tools
- HTML escapeEscape &, <, >, quotes for safe embedding in HTML.HTML Tools
- HTML formatterPretty-print HTML with js-beautify for readability.HTML Tools
- HTML minifierRemove extra whitespace and shrink HTML for production.HTML Tools
- HTML stripperRemove tags and keep text (best-effort).HTML Tools