SECURITY REPORT · EXTENSHI SCAN
ModernPDF - Zero-Knowledge PDF Tools
Firefox extension·by PFM
84
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
ModernPDF - Zero-Knowledge PDF Tools's safety score vs every other extension we've scanned
Globally
39%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,874 extensions
In Privacy & Security
47%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,622 privacy & security extensions
Findings
6
median 10Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 4Declared in manifest
Active users
24
median 3vs category median
Findings breakdown
Automated security signal · 6 distinct issues across 6 severities
6
distinct issues
detected
detected
Critical117%
High00%
Needs Review00%
Medium467%
Low117%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Add context menu items
Can add custom items to the right-click context menu
Info*://*/*.pdf
No additional information available.
Info
*://*/*.pdf?*
No additional information available.
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Scan performed by extenshi.io · Oct 23, 2026
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