SECURITY REPORT · EXTENSHI SCAN
JPTLS Calculator - どこでも計算ツール
Chrome extension·by joemon2112
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
JPTLS Calculator - どこでも計算ツール's safety score vs every other extension we've scanned
Globally
26%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
34%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
23
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
0
median 14vs category median
Findings breakdown
Automated security signal · 23 distinct issues across 6 severities
23
distinct issues
detected
detected
Critical14%
High00%
Needs Review00%
Medium2087%
Low29%
Info00%
Permissions requested
4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Add context menu items
Can add custom items to the right-click context menu
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
Low
Use side panel
Can display content in the browser side panel
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Scan performed by extenshi.io · Aug 12, 2026
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