SECURITY REPORT · EXTENSHI SCAN
Youtube Playback Speed Control (mkr fork)
Firefox extension·by mkrframe
91
/ 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
Youtube Playback Speed Control (mkr fork)'s safety score vs every other extension we've scanned
Globally
63%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,874 extensions
In Photos Music Videos
46%of photos music videos extensions carry more risk
Riskier ←→ Safer
Ranked against 11,273 photos music videos extensions
Findings
13
median 7Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
60
median 6vs category median
Findings breakdown
Automated security signal · 13 distinct issues across 6 severities
13
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium862%
Low538%
Info00%
Permissions requested
4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Store local data
Can save data locally in the browser for persistence
Info
http://www.youtube.com/*
No additional information available.
Info
https://www.youtube.com/*
No additional information available.
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Scan performed by extenshi.io · Oct 22, 2026
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