SECURITY REPORT · EXTENSHI SCAN
NetworkCalc — IP Subnet Calculator
Chrome extension·by Borodinskiy
0
/ 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
NetworkCalc — IP Subnet Calculator's safety score vs every other extension we've scanned
Globally
69%of extensions carry more risk
Riskier ←→ Safer
Ranked against 370,281 extensions
In Productivity
83%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,154 productivity extensions
Findings
7
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
75
median 15vs category median
Findings breakdown
Automated security signal · 7 distinct issues across 6 severities
7
distinct issues
detected
detected
Scanners reported 9 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High00%
Needs Review00%
Medium457%
Low114%
Info229%
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
Add context menu items
Can add custom items to the right-click context menu
Low
Use side panel
Can display content in the browser side panel
Are you the author of NetworkCalc — IP Subnet Calculator?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show NetworkCalc — IP Subnet Calculator's live security score on GitHub or in your docs
Scan performed by extenshi.io · Jul 31, 2026
Browser extensions made transparent.