SeenDisplay
Open the player, place it on the audience display, test fullscreen, and confirm your holding screen.
Built for real host computers
Confirm your show machine, projector path, and guest devices before the event starts.
| Area | Supported | Recommended | Notes |
|---|---|---|---|
| Windows host | Windows 10/11, x64 | Windows 11, 16 GB RAM | Use the signed x64 installer. |
| macOS host | macOS 12+, Intel or Apple Silicon | Current macOS, 16 GB RAM | Use the notarized DMG matching the Mac processor. |
| Displays | One host display plus an extended second display | 1080p projector or TV | Test Windows Extend or macOS extended-display mode before doors open. |
| Guest browser | Current Chrome, Safari, Edge, Firefox | Current mobile Chrome or Safari | Guests need internet access; they do not need the host Wi-Fi. |
| Local video | Formats supported by Electron/Chromium | H.264 video with AAC audio in MP4 | Codec support can vary by operating system. |
| YouTube | Official embeds and YouTube pages | Host signed into their own YouTube session | Owner, regional, account, and embed restrictions still apply. |
Run a venue check
Audio
Test host output, local MP4 audio, YouTube session audio, microphones, and your emergency music source.
Recovery
Save the event, confirm autosave, export a backup, and keep the latest installer available offline.