SECURITY REPORT · EXTENSHI SCAN
NomadCalc — True Cost Currency Converter
Chrome extension·by akifumi-dev
0
/ 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
NomadCalc — True Cost Currency Converter's safety score vs every other extension we've scanned
Globally
13%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Lifestyle
14%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 43,972 lifestyle extensions
Findings
25
median 12Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
7
median 1Declared in manifest
Active users
5
median 26vs category median
Findings breakdown
Automated security signal · 25 distinct issues across 6 severities
25
distinct issues
detected
detected
Scanners reported 27 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical14%
High28%
Needs Review00%
Medium1352%
Low312%
Info624%
Permissions requested
1 risky permission of 7 total
1 high-risk permission require attention
This extension requests 7 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Access location
Can determine your physical location
Low
Use side panel
Can display content in the browser side panel
Low
Create offscreen documents
Can create hidden documents for background processing tasks
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Scan performed by extenshi.io · Aug 12, 2026
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