MakePortals is a tool that lets you share any live browser state as a link so others can interact with it instantly in an isolated sandbox.
MakePortals is a browser-based tool that allows you to share any live browser state as a simple link, including websites, localhost environments, and Chrome extensions. Its primary purpose is to let recipients instantly interact with your product or environment in a secure, isolated sandbox, without requiring any installation, signup, or configuration. This drastically reduces friction for demos, testing, and feedback workflows involving web applications or browser-based tools.
Key features include the ability to capture a fully interactive browser session and package it as a shareable portal link that runs in the cloud. Recipients can click the link to experience the exact state you shared—such as a pre-configured app, a logged-in test account, or a specific extension workflow—while you retain control over what they can access. MakePortals supports localhost sharing, making it possible to demo in-development features or internal tools without deployment. Because everything runs in a sandboxed environment, your local machine and data remain protected while others experiment freely.
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