uwmirror is an open-source CLI utility that mirrors the center 16:9 portion of an ultrawide monitor to a TV using lightweight DXGI capture. It is designed for users who want a simple, efficient way to duplicate part of their desktop display to a secondary screen without the overhead of tools like OBS. Ideal for developers and advanced users with ultrawide setups.
uwmirror sits in PulseGate's Other dev tools category. It focuses on mirroring the central 16:9 area of an ultrawide monitor to a TV without using heavy software like OBS. uwmirror is an open-source project aimed at developers and power users with ultrawide monitors needing simple screen mirroring. The project is open source (MIT). uwmirror is available on the command line.
It is developed by j-Allard-22, and the product first shipped in 2026. The project is developed in the open on GitHub with 7 commits in the last 90 days. Across PulseGate's embedding index, uwmirror has few near neighbours, marking it as relatively distinct. Among its 6 catalogued features are 16:9 mirroring, DXGI capture, and lightweight.
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