Greasemonkey extension
Security at a glance
Some riskSafety score 75/10045 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: greasemonkey
Permissions (11)
- Access to all websites
- Access browser cookies
- Manage downloads
Frequently asked questions
Is Greasemonkey safe to use?
Our latest automated scan rates the Firefox listing of Greasemonkey at 75/100 (some risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does Greasemonkey require?
Greasemonkey requests 11 permissions. The most significant: Access to all websites, Access browser cookies, Manage downloads. See the full breakdown in the security report.
Who develops Greasemonkey?
Greasemonkey is published by Anthony Lieuallen. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.