ScreenTask Guides
Master offline screen sharing, resolve network firewall rules, and stream your PC display to any mobile browser.
How to Screen Mirror Laptop to Smart TV Without Wi-Fi or Internet
Stream your PC or laptop screen to Samsung, LG, Sony, or Android Smart TVs offline over local Wi-Fi or mobile hotspot using your TV's web browser.
Network & FirewallHow to Project PC Screen Over Ethernet LAN (Miracast Alternative for Desktops)
Connect and project desktop screens over wired Ethernet LAN without Wi-Fi cards or Miracast hardware limitations. Ultra-low latency, full HD display over RJ45.
Network & FirewallHow to Share PC Screen Over Wi-Fi Without Internet (Mobile Hotspot)
Learn how to turn your Windows PC into an offline Wi-Fi hotspot and stream your display to phones, tablets, or laptops with ScreenTask—no router or internet required.
Network & FirewallWindows 10 Setup and Firewall Screen Sharing Guide
Step-by-step Windows 10 setup and firewall screen sharing guide: configure Windows Defender rules, switch to Private profile, and share displays offline.
TroubleshootingTroubleshooting ScreenTask: Fixing Connection Refused, Port Conflicts & IP Errors
Step-by-step diagnostic guide to fix ScreenTask when browsers show Connection Refused, incorrect IP address selected, or port 7070 conflicts.
Network & FirewallHow to Share PC Screen via Ethernet Cable Without a Router or Internet
Stream your PC display to another computer directly using an RJ45 Ethernet cable. Maximum bandwidth, zero latency, and 100% offline with ScreenTask.
Use CasesClassroom Screen Sharing: Broadcast Teacher Display to Student Devices Offline
Broadcast teacher screens to student PCs, Chromebooks, and tablets over school LAN without internet access or expensive licenses using ScreenTask.
Use CasesHow to Use an Android Tablet as a Second Monitor Offline (Windows 10/11 - Free)
Turn your Android tablet, iPad, or Kindle Fire into a free second monitor for Windows 10/11 offline without installing mobile apps or internet access.
Use CasesDual Monitor Screen Sharing on Windows 10 & 11: How to Select Specific Displays
How to share screen with two monitors in Windows 10 & 11: select specific displays in ScreenTask to stream presentations while keeping private notes safe.
Getting StartedAir-Gapped & Secure Screen Sharing for Confidential & Enterprise Networks
Why air-gapped networks and high-compliance teams use ScreenTask: zero cloud relays, verifiable open-source code, and local password authentication.
Use CasesCross-Platform LAN Screen Sharing: Stream Windows to Mac, Linux & Chromebooks
Overcome OS barriers and stream your Windows PC screen to macOS Safari, Linux Firefox, and ChromeOS browsers offline without client software.
ComparisonScreenTask vs. VNC vs. RDP: Screen Mirroring vs. Remote Desktop Explained
Understand the key differences between view-only screen mirroring (ScreenTask) and remote desktop administration (VNC & RDP) for offline presentations.
ComparisonBest Free & Open-Source LAN Screen Sharing Tools for Windows
Compare the best free and open-source tools for sharing your PC screen over local Wi-Fi or LAN without internet: ScreenTask, Deskreen, RustDesk, and VNC.
ComparisonBest Free & Open-Source Offline Screen Sharing Tools (GPL v3)
Why offline open-source screen sharing beats commercial cloud tools like TeamViewer and AnyDesk for privacy, air-gapped networks, and zero cost.
Use CasesHow to Stream PC Screen to Phone Browser (iPhone & Android Offline)
Step-by-step guide to stream your PC screen to any phone browser (Safari or Chrome) over local Wi-Fi. Free, zero apps needed, and completely offline.
Network & FirewallWindows 11 Setup, SmartScreen & Firewall Configuration for ScreenTask
Step-by-step guide to installing ScreenTask on Windows 11, bypassing SmartScreen warnings, and configuring Windows Defender Firewall rules for port 9000.
Getting StartedHow to Share Your Screen Offline Over a Local Network (LAN & Wi-Fi)
Learn how to share your PC screen with other devices on your local network without an internet connection using free, open-source software.
Ready to Share Your Screen?
ScreenTask is free, portable, and open source under GPL v3. Download and start broadcasting in seconds.
