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Is Hypothesis - Web & PDF Annotation safe?

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

Clean risk

Hypothesis is a legitimate open-source web and PDF annotation tool with CLEAN status. The extension provides collaborative annotation features with proper security practices.

v1.1729.0.0Chrome Web Store
20Risk

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

Publishers can request a review.

Updated 10 April 2026bjfhmglciegochdpefhhlphglcehbmek

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