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SECURITY REPORT · EXTENSHI SCAN

JavaScript Viewer

Firefox extension·by William Nguyen
97
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.

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

JavaScript Viewer's safety score vs every other extension we've scanned
Globally
85%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Other
61%of other extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 28,735 other extensions
Findings
2
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
0
median 3Declared in manifest
Active users
1
median 2vs category median

Findings breakdown

Automated security signal · 2 distinct issues across 6 severities
2
distinct issues
detected

Permissions requested

0 permissions declared
No permissions requested
This extension doesn't request any browser permissions. That's unusually clean.

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Scan performed by extenshi.io · Aug 12, 2026
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