U.S. - Metric Lengths extension
Security at a glance
Low riskSafety score 100/1000 findings
Automated estimate from our latest scan (malware, permissions, obfuscation) — not a security audit. Higher safety score is better.
See the full security reportFirefox listing ID: us-metric-lengths
Permissions (3)
- Access to all websites
Related extensions
Frequently asked questions
Is U.S. - Metric Lengths safe to use?
Our latest automated scan rates the Firefox listing of U.S. - Metric Lengths at 100/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does U.S. - Metric Lengths require?
U.S. - Metric Lengths requests 3 permissions. The most significant: Access to all websites. See the full breakdown in the security report.
Who develops U.S. - Metric Lengths?
U.S. - Metric Lengths is published by Libor Benes (Dr. B). Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.