Select a scope to search in. If unsure you can leave it empty.
Fhir Version:
If the scope is unknown you can still choose a FhirVersion.
Type a canonical URL to search for. It can find partial matches.

Conformance resources in FHIR have a canonical URL as their unique identifier. The Simplifier resolve URL builder makes it easy to have these URLs also resolve in a regular browser.

All this requires is that on your domain, you run a little script that forwards the requested URL to https://simplifier.net/resolve with the appropriate canonical URL and scope (a package or project to find this resource in) as parameters.

See the full documentation here.