Spacedesk

Transform your tablets and phones into extra monitors for your Windows PC.

Feature Overview

Spacedesk is a display extension tool designed to maximize productivity by turning other devices—such as tablets, smartphones, or even additional PCs—into extra monitors for a Windows computer. With compatibility extending from Windows 7 up to Windows 11, Spacedesk supports both wired and wireless connections, allowing for flexible arrangements in home or office environments.

Setup and Compatibility

To use Spacedesk, installation is required on both the main Windows PC (the server) and each device intended as an additional screen (the client). The process is straightforward, with all necessary driver downloads provided by the developer’s website. Clients are available for a wide range of platforms, including Windows, Android, iOS, and even certain browsers, making the solution broadly accessible.

Devices must share the same local network for optimal connectivity, though options like USB tethering or mobile hotspots can also establish a link. Spacedesk uses the TCP/IP protocol, ensuring a wide compatibility across network configurations.

Performance and Usability

Spacedesk supports both desktop extension and mirroring modes. Users can drag windows or applications onto their device’s newly created screens for increased productivity—ideal for managing large spreadsheets, monitoring social media, or following reference materials during work. Navigation is handled by the primary PC’s mouse and keyboard, while client devices with touchscreens add gesture and touch support, expanding the methods of interaction.

Connection is generally reliable, but performance is influenced by network speed and stability. Wired Ethernet setups yield the best results, with reduced latency and less risk of dropouts compared to Wi-Fi connections. On wireless networks, users may experience perceptible lag or momentary signal loss, especially during high-demand tasks such as video playback or graphic-intensive applications. For tasks like document editing or web browsing, however, Spacedesk remains effective.

Interface and Features

The interface is utilitarian but accessible, focusing on delivering its core function without unnecessary complexity. The server software runs unobtrusively in the background, while the client app presents a simple way to connect, disconnect, and adjust basic settings. Advanced users will appreciate the options for customizing resolution, orientation, and screen arrangement via Windows’ native display settings.

Reliability

Connection stability is generally good, but there are rare instances of intermittent connectivity depending on network conditions and hardware compatibility. This can lead to brief visual glitches or delays, particularly on older or slower devices. Frequent updates from the developer continue to address reported bugs and enhance support for newer systems and devices.