Header Checker extension
Security at a glance
Describes the Firefox listing; other stores are scanned separately and can score differently. 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: header-checker
Permissions (2)
- Access all HTTPS sites
- Access all HTTP sites
Related extensions
Frequently asked questions
Is Header Checker safe to use?
Our latest automated scan rates the Firefox listing of Header Checker at 67/100 (some risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does Header Checker require?
Header Checker requests 2 permissions. The most significant: Access all HTTPS sites, Access all HTTP sites. See the full breakdown in the security report.
Who develops Header Checker?
Header Checker is published by Muhammad. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.