CSS Viewer extension

Security at a glance

Some riskSafety score 83/1004 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: css_viewer

Permissions (3)

  • Access to all websites
  • View open tabs

Frequently asked questions

Is CSS Viewer safe to use?

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

What permissions does CSS Viewer require?

CSS Viewer requests 3 permissions. The most significant: Access to all websites, View open tabs. See the full breakdown in the security report.

Who develops CSS Viewer?

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