Subdomain Extractor
Pull hosts that have a subdomain from URLs. Everything runs on your device — fast, free, and private.
The result will appear here…
or press Ctrl+Enter
Everything runs in your browser. Your data is never sent to our servers.
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Example
Example Input
https://api.a.com dan https://b.com
Example Output
api.a.com
How to Use
- 1Paste your text/code into the Input field.
- 2If the tool has "More settings" (e.g. a pattern), fill them as needed.
- 3Click Extract (or Ctrl+Enter), then copy the result.
About Subdomain Extractor
Subdomain Extractor finds hosts with three or more labels (e.g. api.example.com) — those that have a subdomain.
It is useful for mapping the services/subdomains referenced in text or configs.
FAQ
Is my data sent to a server?
No. Subdomain Extractor runs entirely in your browser — your text never leaves your device.