Domain Swapper โดย Adam Norwood

Why would you want to do this? Developers often test specific pages or application paths and need to check things out quickly on an alternate environment (like jumping between a local dev environment and a QA or PROD system or a localhost proxy that's on a different port than production) — it’s way faster and less intrusive to your workflow if you don’t have to manually fiddle with the address in the browser location bar!