MultiMon Documentation
Multi-monitor video wall for Windows and macOS (Apple Silicon)
Getting Started with MultiMon
Download MultiMon, get past the first-run warning, and put your first clip on screen across every monitor.
Tutorials & How-To Guides
Step-by-step guides for MultiMon features
Standard Video Playback
Play H.264 and HEVC in MultiMon — the decode path on Windows, the containers accepted, and the hardware-to-software fallback.
Read GuideHAP Codec — GPU-Accelerated Playback
How MultiMon plays HAP and HAP Q, which BCn texture format each variant uses, what happens if the GPU cannot take one, and how to convert media.
Read GuideVideo Wall Setup
Build a wall in MultiMon — Split mode's rows-by-columns grid and its row,col mapping, and Span mode across every selected monitor.
Read GuideVideo Synchronisation
How MultiMon keeps sources together — one master clock, nearest-frame selection, and the Sync checkbox in Individual mode.
Read GuideAudio Mixer
MultiMon's inline audio mixer — per-track volume, pan, mute and solo, the master fader, and the one output device the whole show uses.
Read GuideWhat You Can Configure
MultiMon has no settings window — what is actually configurable, the environment-variable escape hatches, and how device-removed recovery behaves.
Read Guide