PeekCSS extension

Security at a glance

Some riskSafety score 81/10016 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: peekcss

Permissions (4)

  • Access to all websites
  • Manage downloads

Frequently asked questions

Is PeekCSS safe to use?

Our latest automated scan rates the Firefox listing of PeekCSS at 81/100 (some risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does PeekCSS require?

PeekCSS requests 4 permissions. The most significant: Access to all websites, Manage downloads. See the full breakdown in the security report.

Who develops PeekCSS?

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