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Is Fast Signature safe?

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

Low risk

Legitimate electronic signature extension using native messaging to interface with local signing software. Limited to specific Docapost domains with no remote data exfiltration.

v2.5.2Chrome Web Store
0Risk

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

Publishers can request a review.

Updated 10 April 2026fggikcpdimbmpcnmekdncodmegjbjmah

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