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URL Defanger

Defang and refang URLs, IPs, and domains for threat intelligence

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What is Defanging?

Defanging makes malicious URLs, IPs, and emails safe to share by replacing active characters with bracketed versions, preventing accidental clicks and execution. Essential for threat intelligence sharing and security reporting.

CyberChef Style
https://evil.com
→ hxxps://evil[.]com
Bracket Style
http://evil.com
→ http[:]//evil[.]com
Aggressive Style
https://evil.com
→ h**ps[PROTOCOL]evil[DOT]com

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Frequently Asked Questions

Common questions about the URL Defanger

URL defanging makes malicious URLs unclickable by replacing characters like "." with "[.]" and "://" with "[://]". This prevents accidental clicks when sharing indicators of compromise (IOCs) in emails, reports, or chat. Defanging is a security best practice in threat intelligence and incident response.

ℹ️ Disclaimer

This tool is provided for informational and educational purposes only. All processing happens entirely in your browser - no data is sent to or stored on our servers. While we strive for accuracy, we make no warranties about the completeness or reliability of results. Use at your own discretion.