SECURITY REPORT · EXTENSHI SCAN
Image Size on Hover
Firefox extension·by windows234
88
/ 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
Image Size on Hover's safety score vs every other extension we've scanned
Globally
59%of extensions carry more risk
Riskier ←→ Safer
Ranked against 380,843 extensions
In Photos Music Videos
32%of photos music videos extensions carry more risk
Riskier ←→ Safer
Ranked against 10,485 photos music videos extensions
Findings
8
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
0
median 6vs category median
Findings breakdown
Automated security signal · 8 distinct issues across 6 severities
8
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium788%
Low113%
Info00%
Permissions requested
1 risky permission of 2 total
1 critical permission require attention
This extension requests 2 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 12, 2026
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