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Domain Extractor
A domain extractor takes a messy block of URLs, log lines, or pasted text and pulls out just the domains, then dedupes and counts them so a list of hundreds of links collapses into the handful of unique hosts that actually matter. It is the fastest way to turn an export, a backlink dump, or a SERP scrape into a clean, deduplicated domain list ready for outreach, disavow review, or competitor mapping.
This tool is free and runs entirely in the browser. It parses every line with the same URL engine browsers use, offers a root-domain-only mode that correctly strips subdomains while respecting multi-level suffixes like co.uk and com.au, and lets you sort by frequency, copy the result, or download a CSV without anything ever leaving your machine.
🔒 Private: everything runs in your browser. Nothing you paste is uploaded.
How to use the domain extractor
Paste your URLs or text into the box, then choose how the domains come out. The list updates on every keystroke, deduplicates automatically, and counts how many times each domain appeared.
Paste anything: full URLs, bare hosts, or mixed text
The extractor does not need a clean list. It splits the input on whitespace and commas, then probes every token for a hostname, so it copes with full URLs carrying schemes, ports, and query strings, with bare hosts like mail.google.com, and with domains buried inside a sentence. Each token is parsed through the browser’s URL engine first and a regex fallback second, then validated so that IP addresses, ports, and obvious junk are discarded. The result is the set of real domain names hiding in the paste, nothing more.
Root domain mode strips subdomains the right way
Switching on root-domain-only mode reduces every host to its registrable domain, so www.shop.example.com and blog.example.com both collapse to example.com. The hard part is that a naive last-two-labels rule breaks on multi-level public suffixes: bbc.co.uk would wrongly become co.uk. This tool carries a built-in list of common multi-level suffixes including co.uk, org.uk, com.au, co.nz, co.jp, com.br, co.za, and com.sg, so those keep three labels while ordinary domains keep two. The reduction is correct for the suffixes most SEO work touches.
Dedupe, count, sort, then copy or export
Once domains are extracted they are deduplicated case-insensitively and counted, so a backlink export with five hundred rows might resolve to forty unique referring domains with their frequencies attached. Sort by frequency to surface the heaviest linkers first, alphabetically to scan a tidy list, or by order of first appearance to preserve the source sequence. The Copy button puts the list on the clipboard as domain-and-count pairs, and CSV downloads a clean two-column file ready to open in any spreadsheet.
Domain extractor frequently asked questions
Q1What does the root domain only toggle do?
It reduces each hostname to its registrable domain by stripping subdomains, so www.shop.example.com becomes example.com. It also handles multi-level suffixes correctly: bbc.co.uk keeps three labels rather than collapsing to co.uk, because the tool carries a built-in list of common two-part suffixes like co.uk, com.au, and co.jp. Leave it off when you need to keep every subdomain distinct.
Q2Does the domain extractor send my list to a server?
No. Every step runs in your browser with client-side JavaScript: the parsing, deduplication, counting, sorting, and CSV export all happen locally, and nothing you paste is uploaded, logged, or stored. The tool keeps working offline once the page has loaded, which makes it safe for confidential backlink exports, internal logs, or client URL lists.
Q3Can it handle a huge list of URLs at once?
Yes. The extractor processes the whole paste in one pass, splitting on whitespace and commas, so thousands of URLs deduplicate to their unique domains almost instantly. Because everything runs locally there are no rate limits or upload caps. Very large pastes depend only on your device’s memory, not on any external service or quota.
Q4Why are some lines ignored when I paste them?
The tool only keeps tokens that resolve to a valid domain name. Raw IP addresses, hosts without a dot, ports on their own, and plain words are discarded because they are not domains. If a line you expected is missing, check that it contains a real hostname with a dotted suffix rather than an IP address or an internal machine name.
Q5How is a domain different from a full URL?
A full URL includes the scheme, host, path, and often a query string, while the domain is just the host part, such as example.com. This extractor pulls the host out of every URL and discards the rest, then optionally reduces that host to its root domain. That distinction is what lets a long list of distinct page URLs collapse to the small set of sites behind them.
