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Is HTML Validator safe?

This security report analyses whether HTML Validator is safe to install on your browser. We check HTML Validator for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if HTML Validator is safe for your personal or enterprise fleet.

Clean risk

Legitimate HTML validation developer tool that adds W3C HTML validator functionality to Chrome DevTools. Uses broad permissions transparently for its stated purpose.

v0.9.9.8Chrome Web Store
0Risk

AI-generated. Findings may contain errors. Those marked Verified have been manually reviewed.

Publishers can request a review.

Updated 10 April 2026mpbelhhnfhfjnaehkcnnaknldmnocglk

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