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Is Marker.io: Visual bug reporting for websites safe?

This security report analyses whether Marker.io: Visual bug reporting for websites is safe to install on your browser. We check Marker.io: Visual bug reporting for websites for malicious behaviour, data exfiltration, suspicious permissions, and known vulnerabilities so you can decide if Marker.io: Visual bug reporting for websites is safe for your personal or enterprise fleet.

Low risk

Marker.io is a legitimate visual bug reporting tool with postMessage handlers that lack origin validation. The extension's broad permissions are justified by its stated purpose of capturing screenshots and collecting page context for bug reporting.

0Risk

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

Publishers can request a review.

Updated 10 April 2026jofhoojcehdmaiibilpcoofpdbbddkkl

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