Is "YouTube High Definition" on Firefox Add-ons Safe to Install?

Baris Derin · firefox · v118.0.9

YouTube High Definition solves a number of annoying YouTube issues. Features Automatically play all YouTube videos in the highest resolution possible Specify your preferred resolution (4k, 1440p,1080p, 720p, 480p, 360p, 240p, 144p) Change video player size Control auto-mute volume and auto-stop video play Supports HD play when videos are embedded in external sites like Facebook, Twitter, Reddit, and others Set a preferred volume level for all videos Improve music on YouTube by always playing the best sound quality automatically

Risk Assessment

Analyzed
0
out of 100
MINIMAL

0 security findings detected across all analyzers

Firefox extension requesting 4 permissions

No Threats Detected

This extension passed all security checks

About This Extension

YouTube High Definition solves a number of annoying YouTube issues. Features Automatically play all YouTube videos in the highest resolution possible Specify your preferred resolution (4k, 1440p,1080p, 720p, 480p, 360p, 240p, 144p) Change video player size Control auto-mute volume and auto-stop video play Supports HD play when videos are embedded in external sites like Facebook, Twitter, Reddit, and others Set a preferred volume level for all videos Improve music on YouTube by always playing the best sound quality automatically

No Findings

All security checks passed

Security Analysis Summary

Security Analysis Overview

YouTube High Definition is a Firefox Add-ons extension published by Baris Derin. Version 118.0.9 has been analyzed by the Risky Plugins security platform, receiving a risk score of 0/100 (MINIMAL risk) based on 0 security findings.

Risk Assessment

This extension presents minimal security concerns. The automated analysis found very few or no issues, suggesting it is suitable for general use.

What Was Analyzed

The security assessment covers multiple analysis categories:

  • Malware Detection: YARA rule matching against 2,400+ malware signatures
  • Secret Detection: Scanning for exposed API keys, tokens, and credentials
  • Static Analysis: Code-level security analysis for common vulnerability patterns
  • Network Analysis: Detection of suspicious network communications and endpoints
  • Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

YouTube High Definition is published by Baris Derin on the Firefox Add-ons marketplace. The extension has approximately 157K users.

Recommendation

Based on the automated security analysis, this extension appears safe for general use. As with any extension, users should review the requested permissions before installation.

Frequently Asked Questions