N
NoScript ✓ Verified
Selectively block JavaScript, Flash, and other executable content. Whitelist-based security approach.
Visit Website →
Free
About NoScript
NoScript blocks all executable web content (JavaScript, Flash, Java) by default and lets you whitelist trusted sites. This is the most aggressive approach to web security — sites may break, but you're protected against XSS, clickjacking, and many web-based attacks. Included in Tor Browser.
Key Features
✓ Blocks JavaScript by default
✓ Whitelist-based trust model
✓ XSS (cross-site scripting) protection
✓ Clickjacking protection
✓ ABE (Application Boundaries Enforcer)
✓ Per-site permission controls
✓ Included in Tor Browser by default
✓ Temporary permissions for quick testing
✓ Trusted/untrusted site categories
✓ Open source and community maintained
Who Is It For?
Security-focused users willing to manually whitelist sites. Provides the strongest browser security but requires patience with configuration.