The Corner Checker extension

Security at a glance

Some riskSafety score 83/1005 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: the-corner-checker

Permissions (2)

  • View open tabs

Frequently asked questions

Is The Corner Checker safe to use?

Our latest automated scan rates the Firefox listing of The Corner Checker at 83/100 (some risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does The Corner Checker require?

The Corner Checker requests 2 permissions. The most significant: View open tabs. See the full breakdown in the security report.

Who develops The Corner Checker?

The Corner Checker is published by Harve. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.