SECURITY REPORT · EXTENSHI SCAN
Youtube SubStyler: Customize subtitles [QVI]
Chrome extension·by ToopExt
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
Youtube SubStyler: Customize subtitles [QVI]'s safety score vs every other extension we've scanned
Globally
15%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,711 extensions
In Lifestyle
28%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 6,925 lifestyle extensions
Findings
29
median 8Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
2
median 1Declared in manifest
Active users
92
median 47vs category median
Findings breakdown
Automated security signal · 29 findings across 5 severities
29
findings
detected
detected
Critical13%
High13%
Medium2690%
Low13%
Info00%
Permissions requested
2 permissions declared
No risky permissions
2 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Jun 25, 2026
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