Once Cards extension
Security at a glance
Elevated riskSafety score 62/1005 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: once-cards
Permissions
Once Cards requests no special permissions.
Related extensions
Frequently asked questions
Is Once Cards safe to use?
Our latest automated scan rates the Firefox listing of Once Cards at 62/100 (elevated risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does Once Cards require?
Once Cards requests no special permissions according to its latest store listing.
Who develops Once Cards?
Once Cards is published by once.cards. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.