SECURITY REPORT · EXTENSHI SCAN
Synca — Timezone Converter & Highlighter
Chrome extension·by Lewa Web Extensions
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
Synca — Timezone Converter & Highlighter's safety score vs every other extension we've scanned
Globally
32%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
43%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
15
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
9
median 14vs category median
Findings breakdown
Automated security signal · 15 distinct issues across 6 severities
15
distinct issues
detected
detected
Scanners reported 16 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High213%
Needs Review00%
Medium1173%
Low17%
Info17%
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
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Aug 5, 2026
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