SECURITY REPORT · EXTENSHI SCAN
Periodex
Firefox extension·by Jeurissen Apps
95
/ 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
Periodex's safety score vs every other extension we've scanned
Globally
77%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Other
49%of other extensions carry more risk
Riskier ←→ Safer
Ranked against 28,735 other extensions
Findings
4
median 3Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
5
median 2vs category median
Findings breakdown
Automated security signal · 4 distinct issues across 6 severities
4
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium250%
Low250%
Info00%
Permissions requested
4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Low
Use side panel
Can display content in the browser side panel
Info
https://periodex.co/*
No additional information available.
Info
https://*.periodex.co/*
No additional information available.
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Scan performed by extenshi.io · Aug 22, 2026
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