Firefox Local Mode

What happened

This feature allows you to register multiple mappings in order to load local files through custom https:// URLs. This prevents having to spawn a HTTP server to test a web page. This makes it easy to test all Web APIs, including the ones being restricted to Secure Contexts (i.e. using https). This also helps having many distinct origins (domain) for each experiment / project and have dedicated storage/cookies for eac…

Summary assembled by rule from the sources below

Sources