SECURITY REPORT · EXTENSHI SCAN
H264 for YouTube
Firefox extension·by thedoctor
97
/ 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
H264 for YouTube's safety score vs every other extension we've scanned
Globally
92%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,831 extensions
In Privacy & Security
89%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,618 privacy & security extensions
Findings
2
median 9Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 4Declared in manifest
Active users
21
median 3vs category median
Findings breakdown
Automated security signal · 2 distinct issues across 6 severities
2
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium150%
Low150%
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
Info
*://*.youtube.com/*
No additional information available.
Info
*://*.youtube-nocookie.com/*
No additional information available.
Info
*://*.youtu.be/*
No additional information available.
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Scan performed by extenshi.io · Aug 9, 2026
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