Drive three outputs from a single console: what the presenter reads, what the room projects, what the audience holds. Prepare off air, check it, then send it live. Notes, timers, quizzes, questions and reactions — all from one PowerPoint plugin.
The presenter's tablet, the room screen and the audience phones — each with its own controls and its own live preview. Nothing reaches an output until you send it.
Automatically extracts speaker notes on every slide change and broadcasts them instantly to all connected browsers via WebSocket. Zero latency, zero configuration.
Turn every smartphone into a participant. Audience scans a QR code and instantly accesses live slides, emoji reactions, written questions, quizzes and satisfaction surveys.
Built-in countdown timer synchronized across all clients. Warning and critical color alerts. Presets from 1 to 60 minutes. Speed control. SVG circular dial for audience break timer.
Send instant full-screen messages to speaker and audience. GO, STOP, ATTENTION presets with customizable colors and duration. Separate channels for backstage and public.
Two dedicated dashboards: Presenter Admin for timer, alerts and slide navigation. Public Admin for quiz control, question moderation, reactions, surveys and audience toggles.
Create multiple-choice quizzes with 4-tab editor. Launch them automatically via markers. Collect satisfaction surveys with star ratings, chips, comments. Export CSV/JSON/PDF.
Embed commands in your notes: [TIMER:START], [MSG:text], [QUIZ:1], [PAUSE:15:00], [SURVEY]. 7 speaker markers + 6 public markers. Automate everything from your slides.
Optional 4-digit access code for the audience page. 500 simultaneous connection limit. PDF password protection. 14 layers of anti-piracy protection for your license.
A dark interface designed for a darkened control position: readable at a glance, with colour reserved for what is on air.
Full ribbon integration: Broadcast, Audience, Network, License and Tools groups. Start broadcasting in one click.
Full control dashboard: timer with presets, flash messages GO/STOP/ATTENTION, slide navigation, visibility toggles, 8 themes.
Audience control center: 8 visibility toggles, Quiz Control with 4 tabs, Pause Control, question moderation, reactions, surveys.
Teleprompter-style web client with auto-sizing notes, countdown timer, slide thumbnail and fullscreen mode.
Multiple-choice quizzes on every phone. Real-time results, series mode, automatic launch via [QUIZ:n] marker.
A guest sends video from their browser; you show it on the screen, the presenter or the phones, with layout, sound and name label, on GO.
Welcome, waiting, information, thanks: a full-screen editor in every control room, images, templates, live blocks (timer, clock, QR, word cloud, duplex), sequences that cycle. Stored with the show, sent on GO.
The same page on the broadcast screen, the presenter's tablet and, in a column, on every phone.
A horizontal bar with built-in progress, at the top, between notes and slides, or at the bottom of the tablet. Height, opacity, glass or solid background, glow, segments, gradient colours, timer stack.
The seminar as a sequence of scenarios: "Next" prepares, GO sends. Shared preparation between control rooms, conflicts flagged.
Ready-made shortcuts you can reorder, duplicate and edit, one block per output in its colour.
One operator, all three outputs: ready-made scenarios set tablet, projector and phones in one click, then GO sends everything.
SVG circular dial on every phone during breaks. Push notifications for sleeping phones. Early resume button.
Written questions with pre-moderation and upvote system. Audience votes for the best questions. Sort by votes or time.
Real-time moderation queue: accept (green), reject (red), push to speaker (blue). Pre-moderation toggle.
A PowerPoint plugin and four browser screens: the presenter's, the room's, the audience's, and the control room that drives them all. Nothing to install on the other devices.
VSTO plugin that integrates into the PowerPoint ribbon with 5 functional groups: Broadcast, Audience, Network, License and Tools. Runs WebSocket, HTTP and TCP servers. Extracts notes and broadcasts them on every slide change.
Teleprompter-style web client accessible from any browser. Displays speaker notes with auto-sizing text, countdown timer, current slide thumbnail and fullscreen mode. Works on desktop, tablet and phone.
Three-column admin interface for the stage manager. Visibility controls for notes, timer, slides, clock. Timer management with presets. Flash messages with GO/STOP/ATTENTION quick buttons. Slide navigation and 8 visual themes.
Audience members scan a QR code and instantly access an interactive PWA on their smartphone. Live slides, emoji reactions, written questions, quizzes, surveys, break timer — all in real time.
Dedicated dashboard for audience interaction. 8 visibility toggles, Quiz Control with 4 tabs (Editor, Stock, In Progress, Results), Pause Control with SVG dial, question moderation with accept/reject/push, reactions overview, session statistics.
PWA interface optimized for smartphones. Dual resolution images (640px / 1024px) in WebP format. Smart follow mode with “New slide available” notification when zoomed. PDF download with optional password protection.
[TIMER:START]
[TIMER:SET:300]
[MSG:Go backstage]
[PAUSE]
[CUE:Lights up]
[QUIZ:1]
[PAUSE:15:00:Coffee]
[PUBLIC:Vote now!]
[DOWNLOAD:on]
[REACT:off]
[SURVEY]
Embed commands directly in your PowerPoint notes. 7 speaker markers control timer and backstage messaging. 6 public markers control quizzes, audience pause timer, flash messages, PDF download, emoji reactions and surveys. All executed automatically on slide change.
ShowDesk uses WebSocket for real-time synchronization, HTTP for serving the web interface, and UDP multicast for automatic server discovery. Everything runs in the browser — no client software to install.
Real-time sync on port 9502
Web clients, admin and audience on port 9502
Desktop client protocol on port 9500
Automatic server detection on LAN
Try free for 14 days with full functionality. Then activate with a 1-year licence key.
No credit card required
Per year - Renewable licence
Secure payment via Lemon Squeezy. License key delivered instantly by email.