Instant, Zero-Config Screen & Audio Sharing — Now in Fluid 60 FPS
Share your desktop, specific app windows, and live PC system audio directly to any phone, tablet, or laptop browser over local Wi-Fi or mobile hotspot. No internet, no account, and zero client apps required.
Be the first to try ScreenTask 2.0!
The 10-year anniversary edition of ScreenTask is launching soon as 100% free and open-source software. Enter your email to receive early access to the Windows release binary before the public launch.
You're on the early access list!
Thank you for joining the 10-Year Anniversary release waitlist. We will email you the moment the ScreenTask 2.0 Windows binary is ready.
9 Core Breakthroughs in ScreenTask 2.0
A ground-up rebuild after a decade of feedback. Engineered for high frame rates, instant connectivity, and ultra-low latency.
Real-Time 30–60 FPS Streaming
Powered by a modern dual-channel binary WebSocket streaming engine. Say goodbye to the 2 FPS slideshows of the past—experience smooth, sub-50ms real-time responsiveness.
Synchronized System & Mic Audio
High-fidelity Windows WASAPI loopback audio capture built on NAudio. Stream PC sound—presentations, videos, games, or meetings—directly to browser viewers with live VU metering and audio diagnostics.
Selective Window & App Sharing
Keep your desktop private. Choose to share either full multi-monitor displays or individual application windows like VS Code, PowerPoint, media players, or browser tabs.
Instant QR Code Pairing
Point and connect. Host PC displays a high-contrast vector QR code so viewers can simply scan with their iPhone or Android camera to start watching in Safari or Chrome in seconds.
100% In-Memory "Zero-Disk" Engine
Video frames and audio chunks are processed entirely in RAM buffers, completely eliminating disk writes and protecting SSD longevity and battery life on portable laptops.
Next-Gen Mobile-First Web Viewer
Redesigned with a sleek Dark/Light Slate & Indigo theme. Features mobile pinch-to-zoom & double-tap (up to 5x magnification), cross-platform fullscreen, live stream HUD, and auto-hiding controls.
Dynamic Live Controls & Auto-Detect
Switch displays, active windows, audio devices, quality, and FPS on the fly without stopping your broadcast. Automatically detects plugged-in headphones, mics, or network adapter changes.
Resilient Lock-Screen Streaming
Stream stays alive even when locking Windows (Win + L). Keep your stream secure on shared office or school networks with customizable session PIN authentication.
Modern .NET Standalone Executable
Upgraded from legacy .NET Framework 4.8 to modern .NET. Download a single .exe file with zero installation, dependencies, or runtime setup needed.
ScreenTask 1.x (Classic) vs. ScreenTask 2.0 (New Revamp)
See why this is the biggest leap in local screen sharing technology in over a decade.
| Feature | ScreenTask 1.x (Classic) | ScreenTask 2.0 (New Revamp) |
|---|---|---|
| Streaming Protocol | HTTP Image Polling (<img> reload) | Dual-Channel Binary WebSockets |
| Performance / FPS | ~2–5 FPS (choppy slideshow) | 30–60 FPS (fluid real-time) |
| LAN Latency | 500ms – 2,000ms | Sub-50ms LAN latency |
| Audio Sharing | None (silent screen) | Live WASAPI System Sound & Mic |
| Capture Sources | Full monitors only | Full monitors + Individual app windows |
| Disk Impact | Constant JPEG disk writes | Zero disk I/O (100% in RAM) |
| Device Pairing | Manual IP & port typing | Instant QR Code Camera Scan |
| Mobile Experience | Static webpage viewport | Pinch-to-zoom (5x), double-tap & HUD |
| Live Adjustments | Must stop & restart server | Seamless on-the-fly live switching |
| Architecture | Legacy .NET Framework 4.8 | Modern .NET Standalone Single-File .exe |
ScreenTask 1.2 is stable, free, and ready to use today.
While version 2.0 is in final testing, our battle-tested v1.2 release is available with full offline screen sharing across Windows 7 through 11 and cross-platform Java.
