SECURITY REPORT · EXTENSHI SCAN
FBA Calculator - Free Amazon Profit & Fee Calculator by AMZ Prep
Chrome extension·by AMZ Prep
89
/ 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
FBA Calculator - Free Amazon Profit & Fee Calculator by AMZ Prep's safety score vs every other extension we've scanned
Globally
61%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Productivity
76%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 8,187 productivity extensions
Findings
14
median 18Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
93
median 89vs category median
Findings breakdown
Automated security signal · 14 distinct issues across 6 severities
14
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium429%
Low1071%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Add context menu items
Can add custom items to the right-click context menu
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Scan performed by extenshi.io · Aug 6, 2026
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