Most Chrome extensions can be submitted as-is to the Edge Add-Ons Store for the new Edge Chromium. Here is the developer documentation: https://docs.microsoft.com/en-us/microsoft-edge/extensions-chromium/publish/publish-extension?branch=extensions-documentation Here is documentation specific to porting a Chrome extension: https://docs.microsoft.com/en-us/microsoft-edge/extensions-chromium/developer-guide/port-chrome-extension