Developing on localhost without https? It may happen, but Chromium-based browsers and Firefox will force you periodically to use https connection. And then you reload the page and see:

This site can’t provide a secure connection

At this point you won’t be able to use your localhost. However, here is the solution that will help.

  1. Open chrome://net-internals/#hsts
  2. Go to Delete domain security policies
  3. Type your domain, e.g. and activate Delete
hsts settings


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