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URL, HTTP & APIs

Relative URL Resolver

Turn relative URLs into absolute ones against a base URL. Paste one relative URL per line — paths, .., query strings, fragments or protocol-relative URLs — and copy the resolved results. Everything runs in your browser.

Runs in your browser v1.0.0

Input

live

Include the scheme, for example https://example.com/docs/page.html.

Blank lines are ignored. Try ../api, /assets/site.css, ?page=2, #top or //cdn.example.com/lib.js.

Resolved URLs

0 results

How it works

Each relative URL is resolved against the base with the browser’s own URL API, following the same rules a browser uses when it follows a link (RFC 3986 / WHATWG URL). A path is joined to the base directory, .. walks up, a leading / resets to the host root, and ?query or #fragment replaces that part of the base. An absolute or protocol-relative URL keeps its own scheme and host. Invalid input is reported line by line instead of failing the whole list, so one typo never hides the rest. Nothing is sent to a server — the base and the list can be shared through the URL fragment.

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