Bookmark 404 Checker extension
Security at a glance
Some riskSafety score 80/10013 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: bookmark404checker
Permissions (6)
- View open tabs
- Access all HTTP sites
- Access all HTTPS sites
Related extensions
Frequently asked questions
Is Bookmark 404 Checker safe to use?
Our latest automated scan rates the Firefox listing of Bookmark 404 Checker at 80/100 (some risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does Bookmark 404 Checker require?
Bookmark 404 Checker requests 6 permissions. The most significant: View open tabs, Access all HTTP sites, Access all HTTPS sites. See the full breakdown in the security report.
Who develops Bookmark 404 Checker?
Bookmark 404 Checker is published by usefulladdons. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.