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SECURITY REPORT · EXTENSHI SCAN

Youtube Download as MP4

Firefox extension·by Adrion
75
/ 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
This extension
Riskier ←→ Safer
Ranked against 384,209 extensions
In Photos Music Videos
11%of photos music videos extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 10,705 photos music videos extensions
Findings
15
median 4Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
505
median 6vs category median

Findings breakdown

Automated security signal · 15 distinct issues across 6 severities
15
distinct issues
detected
Scanners reported 22 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

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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