HTTP Header Mangler 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: http-header-mangler
Permissions (4)
- Access to all websites
- Observe web requests
- Block and modify web requests
Related extensions
Frequently asked questions
Is HTTP Header Mangler safe to use?
Our latest automated scan rates the Firefox listing of HTTP Header Mangler at 100/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does HTTP Header Mangler require?
HTTP Header Mangler requests 4 permissions. The most significant: Access to all websites, Observe web requests, Block and modify web requests. See the full breakdown in the security report.
Who develops HTTP Header Mangler?
HTTP Header Mangler is published by Peter Nilsson. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.