How to Use the URL & IP Defanger / Refanger for Cyber Security
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1
Paste URLs, hostnames, or IP addresses into the input area.
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2
Click "Defang (Sanitize)" to convert `https://` to `hxxps[://]` and `.` to `[.]`.
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3
Or paste a defanged string and click "Refang (Restore)" to reconstruct valid URLs.
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4
Copy the sanitized text for insertion into incident tickets and threat intel briefs.
Practical Example & Use Case
Common Real-World Scenario
Documenting phishing indicators of compromise (IOCs) in Jira tickets without triggering internal corporate email gateways.
Technical Notes & Limitations
Browser Engine Architecture
Neutralizes standard protocol prefixes (http, https, ftp) and IP/domain dots.
Frequently Asked Questions
Why is defanging necessary?
It prevents email clients, chat tools, and ticket software from turning malware URLs into clickable links or making automatic DNS pre-fetches.