SECURITY REPORT · EXTENSHI SCAN
Fastmail Notifier
Chrome extension·by iKryten
87
/ 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
Fastmail Notifier's safety score vs every other extension we've scanned
Globally
57%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Social & Communication
33%of social & communication extensions carry more risk
Riskier ←→ Safer
Ranked against 13,675 social & communication extensions
Findings
11
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
3
median 3vs category median
Findings breakdown
Automated security signal · 11 distinct issues across 6 severities
11
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium764%
Low436%
Info00%
Permissions requested
5 permissions declared
No risky permissions
5 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Add context menu items
Can add custom items to the right-click context menu
Low
Schedule tasks
Can schedule periodic background tasks
Low
Detect idle state
Can detect when your machine is idle, active, or locked
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Scan performed by extenshi.io · Sep 20, 2026
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