One URL per line — protocol is optional
Ready to extract
Paste URLs and click Extract Domains// extract domain, subdomain & hostname from any url
Extract root domain, subdomain, TLD, hostname, protocol, path, and port from any URL instantly. Free browser-based domain parser tool.
Ready to extract
Paste URLs and click Extract DomainsEnter one or more URLs in the input box — one per line. Protocol (https://) is optional.
Hit "Extract Domains" or press Ctrl+Enter to parse all URLs simultaneously.
Click any field to copy it, or use "Copy All JSON" to export the full parsed output.
The Domain Extractor breaks any URL into its structural parts — protocol, subdomain, root domain, TLD, port, path, and query string. It handles compound TLDs like .co.uk and .com.au correctly. Everything runs in the browser — no data is sent to any server.
The root domain is the registrable part of a hostname — for example, example.com. A subdomain is anything prepended to it, such as blog in blog.example.com. This tool separates them automatically.
Yes. The extractor recognises common second-level TLDs such as .co.uk, .com.au, .co.nz, and many others, ensuring the root domain is parsed correctly and the TLD is not split incorrectly.
Yes. Paste one URL per line in the input box and click Extract. All URLs are processed simultaneously and each result is shown in its own expandable card.
No — the protocol is optional. If you paste a bare hostname like blog.example.com, the tool automatically prefixes it with https:// for parsing purposes and still returns all correct parts.
All parsing happens entirely in your browser using JavaScript. No URL data leaves your device, making this tool safe to use with internal, private, or sensitive URLs.
The tool extracts: protocol, full hostname, port, subdomain, root domain, TLD, path, query string, and fragment. Each field gets its own copy button for convenience.
Yes — use the "Copy All JSON" button to copy every parsed result as a JSON array. You can paste this into a spreadsheet, script, or any tool that accepts JSON.
Invalid URLs are flagged individually with an error message. Valid URLs in the same batch continue to be processed and displayed normally.
A domain extractor is a utility that takes a raw URL and dissects it into its structural components: the protocol, subdomain, root domain, top-level domain (TLD), optional port, path, query string, and fragment. It is used by developers, SEO professionals, data analysts, and security researchers who need to understand URL structure at scale — or simply pull a specific part of a URL without writing regex.
URLs encode a surprising amount of information. Even the hostname alone can contain a subdomain, a second-level domain, and a TLD — and some TLDs are compound, like .co.uk or .com.au, which makes naive string splitting unreliable. A proper domain extractor handles all these edge cases correctly.
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Every URL follows a standardised format defined by RFC 3986. The main components are:
http or https, but could also be ftp or mailto.api.example.com.:8080. When omitted, it defaults to 80 for HTTP or 443 for HTTPS./blog/post-title.?, used to pass parameters — e.g. ?id=42&sort=asc.#section-3. This part never reaches the server.These three terms are frequently confused. Here is a precise breakdown:
blog.news.example.com, the hostname is the entire string.example.com in the example above. It is one label plus the TLD.blog.news.example.com, the subdomain is blog.news. There can be multiple levels.Getting this distinction right matters for cookie scoping, CORS configuration, SSL certificate coverage, and internal routing in microservice architectures.
Not all TLDs are single labels. Many country-code TLDs have a second level acting as a category indicator. Common examples include .co.uk (UK commercial), .com.au (Australian commercial), .co.nz (New Zealand commercial), and .gov.au (Australian government). Splitting shop.example.co.uk naively on dots would incorrectly identify co as the root domain label. This tool maintains a list of known second-level TLDs to ensure accurate parsing in all these cases.
There are many practical scenarios where extracting domain components from URLs is valuable:
Most languages have built-in URL parsing. In PHP, parse_url() returns an associative array. In JavaScript, the URL constructor provides a clean object with hostname, pathname, port, and other properties. Python's urllib.parse.urlparse() works similarly. However, none of these handle the compound TLD problem natively — you either maintain a suffix list or use a library like Mozilla's Public Suffix List. This tool handles it for you, in the browser, with no installation required.
When processing large sets of URLs, a few practices keep things accurate. Always normalise to lowercase before comparing, since domain names are case-insensitive. Strip trailing slashes for consistent deduplication. Watch out for URLs containing credentials in the user:pass@host format. Be aware that IPv4 and IPv6 addresses can appear where a hostname normally would. Always validate syntactic correctness before parsing to avoid silent failures in automated pipelines.