SECURITY REPORT · EXTENSHI SCAN
YouTube HD
Firefox extension·by Turtle
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 HD's safety score vs every other extension we've scanned
Globally
33%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Games Entertainment
11%of games entertainment extensions carry more risk
Riskier ←→ Safer
Ranked against 8,778 games entertainment extensions
Findings
18
median 4Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
533
median 4vs category median
Findings breakdown
Automated security signal · 18 distinct issues across 6 severities
18
distinct issues
detected
detected
Critical211%
High211%
Needs Review00%
Medium950%
Low528%
Info00%
Permissions requested
1 risky permission of 7 total
1 high-risk permission require attention
This extension requests 7 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
Medium
Store local data
Can save data locally in the browser for persistence
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Info
https://www.youtube-nocookie.com/*
No additional information available.
Info
https://www.youtube.com/*
No additional information available.
Info
https://music.youtube.com/*
No additional information available.
Info
https://youtube.googleapis.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 25, 2026
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