IP Messenger Pro IP Messenger FastCopy [Shirouzu] [Japanese]

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IP Messenger for Win v5.6.18

   Serverless lightweight Messenger for LAN.
No cloud, Secure & High availability

LastUpdate: 2024/04/17
Download v5.6.18 (2024/04/17)
(for 32bit/64bit)
from WindowsForest
from Github (redirect)
Change history


v5.x features
1. Auto member detection over routers
The Member Master mode enables auto member detection over routers
2. Screen capture & editing functions
Screen capture + various drawing functions
(Also useful as a screenshot tool)
3. Add Send Queue
Send Queue. If the receiver's PC is inactive, wait to send in the background.
4. Add Powerfull Logviewer
- Quick View/Scroll more than 100,000 messages with inline images
- Support Multi Tabs.
- High speed incremental full text search.
- Support to add comments/images
5. Misc
Multiple destination reply support, automatic updates,
dedicated commands (change absence/send/receive messages)
High speed file/folder transfer
Message forwarding to Slack, etc.
(If you want to limit forwarding, please use the Pro version.)
Safety message communication (RSA2048bit + AES256bit)
Help and license
If you have a question, please post IP Messenger Support Forum
If you want to customize ipmsg (Logging Server or etc), please contact to the email that describe in the end of this page.

v4.60 or earlier installer has vulnerability of DLL loading without intent (2017/07/31)

Relative Information
Using IPMsg for Win on Linux/MacOS (except Catalina)
1 Installing Wine (I recommend Wine-HQ lastest binary)
2 Download and IPMsg for Win installer, and extract ipmsg4xx_installer.exe
3 Run the installer by Wine and launch ipmsg from installer
% wine ipmsg4xx_installer.exe
Ref. Known problem: Screen Capture in MacOSX

Links for other platforms
IP Messenger for MacOS X
(2014/09) G.Ishiwata
Support file/folder transfer
PetaClone for Java
(2010/03) K.Gosha
Support file/folder transfer, multi-lang, embedded-images, message-encryption
IP Messenger for KDE
(2010/03) K.Gosha
Support file/folder transfer, message-encryption
Android version Some imprementations exist.

IP Messenger Support software
Old pageOld versions in 1996-2009

The Hardwares that communicate with IPMsg protocol
Keiko-chan series
ISA Co.,Ltd.
Network tower/light beacons
(This prodocut is not related to IPMsg project)
ISA Co.,Ltd.
Remote power controller
(This prodocut is not related to IPMsg project)


Copyright (C) SHIROUZU Hiroaki All rights reserved.
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