This plugin is amazing. It lets you download Zips again. Get it here: https://chrome.google.com/webstore/detail/thingizip/maonfmeilcpjfdipacfehiidjngcoama
If for some reason its down here is a mirror you can manually install on their GitHub: https://github.com/tzoug/ThingiZIP/releases
Mirrors of V2.2 Release: