Checkmarks extension
Security at a glance
Low riskSafety score 93/1004 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: check-marks1
Permissions (8)
- Access to all websites
- Delete browsing data
- View open tabs
Related extensions
Frequently asked questions
Is Checkmarks safe to use?
Our latest automated scan rates the Firefox listing of Checkmarks at 93/100 (low 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 HAYWIN. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.