CIDR Calculator extension

Security at a glance

Low riskSafety score 87/1009 findings

Automated estimate from our latest scan (malware, permissions, obfuscation) — not a security audit. Higher safety score is better.

See the full security report

Firefox listing ID: cidr-calculator

Permissions (1)

  • Store local data

Frequently asked questions

Is CIDR Calculator safe to use?

Our latest automated scan rates the Firefox listing of CIDR Calculator at 87/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does CIDR Calculator require?

CIDR Calculator requests 1 permission. The most significant: Store local data. See the full breakdown in the security report.

Who develops CIDR Calculator?

CIDR Calculator is published by Wetenkamp. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.