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AdBlocker Ultimate extension

Security at a glance

High riskSafety score 28/100246 findings

Describes the Firefox listing; other stores are scanned separately and can score differently. Automated estimate from our latest scan (malware, permissions, obfuscation) — not a security audit. Higher safety score is better.

See the full security report

Firefox listing ID: adblocker-ultimate

Permissions (14)

  • Access to all websites
  • View open tabs
  • Observe web requests

Related extensions

Frequently asked questions

Is AdBlocker Ultimate safe to use?

Our latest automated scan rates the Firefox listing of AdBlocker Ultimate at 28/100 (high risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does AdBlocker Ultimate require?

AdBlocker Ultimate requests 14 permissions. The most significant: Access to all websites, View open tabs, Observe web requests. See the full breakdown in the security report.

Who develops AdBlocker Ultimate?

AdBlocker Ultimate is published by AdAvoid. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.