Add multi-device responsive preview support to Cursor’s embedded browser

Feature request for product/service

Cursor IDE

Describe the request

It would be very useful if Cursor’s embedded browser could simulate different devices directly inside the editor, allowing developers to preview their app across configurable screen sizes such as mobile, tablet, and desktop. Ideally, users could choose one or multiple devices at the same time, compare layouts side by side, and quickly validate responsive behavior without leaving Cursor or opening external browser dev tools. This would make UI development faster, especially when building responsive apps that need to be tested across several viewport sizes.

Screenshot / Screen Recording