User JavaScript and CSS KL extension
Security at a glance
Low riskSafety score 100/1000 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: user-javascript-and-css-kl
Permissions (4)
- Access to all websites
- View open tabs
Related extensions
Frequently asked questions
Is User JavaScript and CSS KL safe to use?
Our latest automated scan rates the Firefox listing of User JavaScript and CSS KL at 100/100 (low risk) — malware, permission and obfuscation checks combined. The full report lists every finding behind the number.
What permissions does User JavaScript and CSS KL require?
User JavaScript and CSS KL requests 4 permissions. The most significant: Access to all websites, View open tabs. See the full breakdown in the security report.
Who develops User JavaScript and CSS KL?
User JavaScript and CSS KL is published by Melvin Reed. Impersonators copy popular extension names, so always verify the developer line and listing id on the store page before installing.