Firefox does. Go open something with content-type json ex: https://accounts.google.com/.well-known/openid-configuration https://accounts.google.com/.well-known/

Firefox does. Go open something with content-type json ex: https://accounts.google.com/.well-known/openid-configuration https://accounts.google.com/.well-known/openid-configuration in Firefox and it renders it into a pretty table and even shows you the headers on the response.