SECURITY REPORT · EXTENSHI SCAN
Youtube Download as MP4
Firefox extension·by Adrion
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 Download as MP4's safety score vs every other extension we've scanned
Globally
25%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Photos Music Videos
10%of photos music videos extensions carry more risk
Riskier ←→ Safer
Ranked against 10,146 photos music videos extensions
Findings
15
median 4Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
202
median 6vs category median
Findings breakdown
Automated security signal · 15 distinct issues across 6 severities
15
distinct issues
detected
detected
Scanners reported 22 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical213%
High213%
Needs Review00%
Medium960%
Low213%
Info00%
Permissions requested
1 risky permission of 4 total
1 high-risk permission require attention
This extension requests 4 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
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://*.ytmp4.in.net/*
No additional information available.
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Scan performed by extenshi.io · Aug 25, 2026
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