IP Messenger 5.8.1

IP Messenger 是一款專為區域網路（LAN）設計的即時通訊工具，採用彈出式視窗介面，讓同一網段內的電腦能直接互傳訊息與檔案。它最大的特色是不需要架設伺服器，只要透過 TCP/IP（UDP）協定就能運作，並具備快速檔案傳輸、圖片嵌入、桌面截圖與繪圖功能，同時提供 RSA 與 AES 加密，確保傳輸安全。這款軟體長期維護，更新頻繁，在同類工具中屬於熱門選擇，使用者評價普遍不錯。

適合需要在辦公室、學校或家庭等區域網路內快速溝通的場合，例如傳送檔案、即時討論，或需要不依賴網際網路的內部通訊。相較於 Yahoo! Messenger 或 WhatsApp 等需要網際網路與伺服器的服務，IP Messenger 完全依賴區域網路，因此更輕量且不受外部網路影響，但功能也相對單純。它提供 Windows 與 macOS 版本，免費使用，不過介面僅有英文，對於不熟悉英文的使用者可能需要適應。若你的需求僅限於內部網路溝通，這會是相當實用的選擇。

IP Messenger (ipmsg) is an application to chat inside your Local Area Network (LAN). This is a pop-up style LAN Messenger for multi-platforms.

It is based on TCP/IP (UDP) and does not require a server machine. Features include serverless message communication, fast file or folder transfer, image embedded message, and desktop (area specified) capture, and message encryption (RSA2048bit + AES256bit) and sign or verify (PKCS#1-v1_5).

Download IP Messenger (ipmsg) for your Windows PC today!

What`s New

• Auto-detects members across routers using Member Master mode.
• Includes screen capture and drawing tools; doubles as a screenshot editor.
• Send Queue holds messages when the receiver's PC is inactive, delivering them later.
• Advanced log viewer: fast scroll/view over 100,000 messages, multi-tab support, full-text search, comments, and inline images.
• Misc: Supports replies to multiple recipients, automatic updates, and special commands for absence, sending, and receiving.

Features

• Auto member detect over a router
• High-speed file/folder transfer
• An inline image that is captured from desktop
• Safety message communication (RSA2048bit + AES256bit)
• Powerful logviewer

How to Use

Launch IP Messenger on your PC

Allow the app through the Windows Firewall

Start sending messages to other users on the same LAN

System Requirements

• Operating System: Windows 7, 8, 10, or 11
• Processor: 1 GHz or faster
• RAM: Minimum 512 MB
• Hard Disk Space: At least 10 MB free space
• Network: Local Area Network (LAN) access required

PROS

• Lightweight and fast messaging tool
• No internet required for messaging
• Portable version also available
• Supports file and folder transfers
• Minimal system resource usage

CONS

• Works only on local network
• No cloud or remote messaging
• No mobile app integration
• Interface is basic and outdated
• Limited security features by default

Also Available: Download IP Messenger for Mac

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