Practical example
Parse https://user:pass@example.com:8443/a?next=%2Fhome#top and review credentials, port, decoded query value, and fragment independently.
URL Parser
Paste a full URL or query string and instantly see protocol, host, path, hash, and parsed query parameters.
Paste a full URL, a query string like ?a=1&b=2, or enable query-only mode.
Parsed URL parts
Full URL
Origin
Protocol
Host
Hostname
Port
Pathname
Query string
Hash
Query parameters
0 paramsWhat is a URL parser?
A URL parser breaks a URL into structured parts such as protocol, host, hostname, port, pathname, query string, and hash.
It is useful for debugging links, query parameters, redirects, API requests, and frontend or backend routing behavior.
How to use the URL Parser
- Paste a full URL into the input field.
- Click Parse to split it into individual parts.
- Review the query parameters as a list or JSON.
- Enable query-only mode if you want to parse only a query string.
Tips
- If your URL has no scheme, the tool will try to interpret it as HTTPS.
- Repeated query parameters are shown separately and marked with their count.
- Use query-only mode for strings like a=1&b=2.
- Decoded values are easier to read when parameters contain percent-encoded characters.
URL review checklist
Canonical path
Check whether the parsed URL is the final canonical version or a tracking, redirected, or temporary variant.
Query parameters
Repeated, empty, or encoded parameters can change analytics, cache keys, search filters, and API behavior.
Fragment values
Hash fragments are not sent to the server in normal HTTP requests, but they can affect frontend routing and tracking.
Environment host
Before copying a URL into docs or code, confirm whether it points to production, staging, localhost, or a regional host.
Related guides
Learn the workflow behind this tool and what to check next.
Analytics
How to build clean UTM campaign URLs
A simple naming workflow for utm_source, utm_medium, utm_campaign, utm_content, and utm_term that keeps analytics reports readable.
Read guide
HTTP debugging
How to debug redirects and HTTP status codes
A practical workflow for checking redirect chains, understanding 301 vs 302, diagnosing 404 and 500 responses, and confirming the final URL.
Read guide
URL checks before storing, redirecting, or requesting an address
Parse components explicitly because visually similar URLs can resolve to different hosts, paths, credentials, ports, or query values.
Authority and host
Inspect scheme, user information, hostname, port, IPv6 brackets, Unicode domains, and punycode before trusting the destination.
Path normalization
Review dot segments, repeated slashes, percent-encoding, encoded separators, trailing slashes, and case-sensitive paths.
Query semantics
Preserve repeated parameters, empty values, plus signs, ordering requirements, and the difference between decoded and raw values.
Security boundary
For server-side requests, resolve and validate destinations against SSRF rules, redirects, private ranges, and DNS changes.
A practical example, an edge case, and a maintainer note
Edge case
A URL such as https://trusted.example@evil.test uses trusted.example as user information; the actual host is evil.test.
Maintainer note
For security decisions I use a standards-based URL parser and compare the normalized host, never a substring of the original text.
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URL Parser FAQ
Is my URL sent to the server?
No. URL parsing uses the browser's own URL API, so links with session tokens or campaign parameters are never transmitted.
Can I parse only query parameters?
Yes. Enable query-only mode and paste a string like ?a=1&b=2 or a=1&b=2.
What happens with repeated parameters?
The tool keeps repeated parameters and shows how many times the same key appears.