Bulk Root Domain Extractor
Paste hundreds of URLs and instantly get back the unique apex (root) domains. Strips www, subdomains, paths, query strings and de-duplicates. Perfect for SEO audits, backlink research and email-domain analysis.
0 lines in ·0 unique domains out
Treat blog.example.com as distinct from example.com
Off keeps insertion order
When to use this
- Backlink audits: collapse a 5,000-row backlink export into a clean list of referring root domains.
- Email-domain analysis: turn a customer email list into the unique companies they work at.
- Competitor research: quickly de-dupe a list of competitor URLs into the actual sites involved.
- Prospecting: clean up scraped lead lists before pushing to outreach.
How root extraction works
Each line is parsed as a URL (with https:// auto-prepended if missing), then the hostname is lower-cased and stripped of any leading www.. For multi-part country TLDs (co.uk, com.br, etc.) we keep the last three labels; everything else collapses to the last two. The result is de-duplicated and (by default) sorted alphabetically.
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