CSS Tweaks extension

Security at a glance

Some riskSafety score 79/1008 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-tweaks

Permissions (4)

  • Access to all websites

Frequently asked questions

Is CSS Tweaks safe to use?

Our latest automated scan rates the Firefox listing of CSS Tweaks at 79/100 (some risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.

What permissions does CSS Tweaks require?

CSS Tweaks requests 4 permissions. The most significant: Access to all websites. See the full breakdown in the security report.

Who develops CSS Tweaks?

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