Checkmarks extension

Security at a glance

Elevated riskSafety score 45/10016 findings

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: checkmarks-web-ext

Permissions (8)

  • Access to all websites
  • Delete browsing data
  • View open tabs

Frequently asked questions

Is Checkmarks safe to use?

Our latest automated scan rates the Firefox listing of Checkmarks at 45/100 (elevated risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does Checkmarks require?

Checkmarks requests 8 permissions. The most significant: Access to all websites, Delete browsing data, View open tabs. See the full breakdown in the security report.

Who develops Checkmarks?

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