https://chromewebstore.google.com/detail/switchproxy-%E5%BF%AB%E9%80%9F%E4%BB%A3%E7%90%86%E5%88%87%E6%8D%A2/hblfgpmjoghfomehlmikpmbmfiigbejg?hl=en
SwitchProxy - Quick Proxy Switcher - Chrome Web Store
Quickly switch proxy modes: Support HTTP/HTTPS/SOCKS4/SOCKS5 proxies and PAC auto-proxy
proxy switcherquickchromewebstore