ISBN Guard extension
Security at a glance
Low riskSafety score 99/1001 finding
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: isbn-guard
Permissions
ISBN Guard requests no special permissions.
Related extensions
Frequently asked questions
Is ISBN Guard safe to use?
Our latest automated scan rates the Firefox listing of ISBN Guard at 99/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does ISBN Guard require?
ISBN Guard requests no special permissions according to its latest store listing.
Who develops ISBN Guard?
ISBN Guard is published by Charles B. Azar. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.