spacedesk

Turn your phone or tablet into a fast wireless second screen

spacedesk is a clever and surprisingly polished way to squeeze more productivity out of your Windows PC by turning another device into an extra monitor or a full desktop mirror. Whether you want more screen real estate for work, a makeshift presentation display, or a portable drawing surface, this viewer delivers a lot of flexibility.

Once your Windows machine is running the required driver, spacedesk detects it over WiFi, LAN, or USB and connects within seconds. In extended mode, your device behaves like a genuine extra display: you can drag windows across, watch videos, or keep chats and tools off your main screen. Mirroring mode is ideal for demos, teaching, or simply checking your desktop from the sofa.

Performance is impressive for a software-only solution. On a strong local network or wired USB connection, latency is low enough for smooth scrolling, office work, and even light video playback. Drawing tablet mode stands out: with a stylus-enabled tablet, spacedesk effectively turns it into a budget graphics tablet for sketching or annotating directly in Windows apps.

The interface is minimal and straightforward, with quick options to adjust resolution, orientation, and quality. You can tune settings to favor speed or visual fidelity, which helps when your network is less than perfect. Audio streaming and basic touch input support add to the illusion of a true external monitor.

However, spacedesk’s experience is only as good as your connection. On congested WiFi, you may see compression artifacts or input lag, and it’s not ideal for fast-paced gaming. Still, for everyday multitasking, remote viewing, presentations, and creative work, spacedesk is a powerful and versatile companion that can make a spare device genuinely useful.