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ScreenTask Guides

Master offline screen sharing, resolve network firewall rules, and stream your PC display to any mobile browser.

Network & Firewall

How 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 & Firewall

Windows 10 Offline Screen Sharing & Firewall Setup Guide

Step-by-step setup guide for ScreenTask on Windows 10: enable .NET Framework 4.5, configure Windows Defender Firewall rules, and share displays offline.

Troubleshooting

Troubleshooting 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 & Firewall

How 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 Cases

Classroom 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 Cases

How to Use a Tablet as a Wireless Second Screen Offline (No Apps Required)

Turn your iPad, Android tablet, or Kindle Fire into an auxiliary reference display for your PC without installing mobile apps or needing internet access.

Use Cases

Dual & Multi-Monitor Screen Sharing: How to Select and Stream Specific Displays

Learn how to choose which monitor to broadcast with ScreenTask. Share presentations on Screen 2 while keeping your notes and private apps safe on Screen 1.

Getting Started

Air-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 Cases

Cross-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.

Comparison

ScreenTask 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.

Comparison

Best 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.

Comparison

Best 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 Cases

How 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 & Firewall

Windows 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 Started

How 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.

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Zee Cast

The simplest way to stream your photos and videos to any Smart TV over WiFi. No ads, no algorithms, 100% private.

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