extenshi.io
SECURITY REPORT · EXTENSHI SCAN

BigConverter - YouTube to MP3 & MP4

Firefox extension·by BigConverter
90
/ 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

BigConverter - YouTube to MP3 & MP4's safety score vs every other extension we've scanned
Globally
64%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,509 extensions
In Photos Music Videos
40%of photos music videos extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 11,254 photos music videos extensions
Findings
12
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
6
median 3Declared in manifest
Active users
174
median 6vs category median

Findings breakdown

Automated security signal · 12 distinct issues across 6 severities
12
distinct issues
detected

Permissions requested

1 risky permission of 6 total
1 high-risk permission require attention
This extension requests 6 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
Access current tab

Can temporarily access the content of the active tab when you click the extension

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Store local data

Can save data locally in the browser for persistence

Info
*://*.youtube.com/*

No additional information available.

Info
*://youtu.be/*

No additional information available.

Are you the author of BigConverter - YouTube to MP3 & MP4?

Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.

Claim this extension

Add the badge to your README

Show BigConverter - YouTube to MP3 & MP4's live security score on GitHub or in your docs
Extenshi security score badge preview
Markdown
[![Extenshi security score](https://catalog.extenshi.io/api/badge/335567)](https://catalog.extenshi.io/extensions/335567/security)
HTML
<a href="https://catalog.extenshi.io/extensions/335567/security"><img src="https://catalog.extenshi.io/api/badge/335567" alt="Extenshi security score" /></a>

The badge always shows the current score — it updates automatically after every scan.

Scan performed by extenshi.io · Oct 17, 2026
Browser extensions made transparent.