The best alternatives to Switchie are uProxy, Toran Proxy, and Proxy.app. If these 3 options don't work for you, we've listed a few more alternatives below.
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Blaze— Create beautiful 1-click content in your brand style with AI
The process of adding a Proxy to an existing Wi-Fi connection is cumbersome on macOS, a lot of steps are involved. RerouteMe changes all this with just one click. Switch between Localhost, WAN, or Custom Proxies which will be setup just once!