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IPERF for Windows
proven old code for the modern world
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With User Interface
to shorten the learning curve
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With Real-Time Charting
to get the result and document it in one shot
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With Quality of Service
in your network and your work

Welcome to the reinvented IPERF

5 January 2015 - IPERF for Windows with User Interface and Charts released. Native Win32 port (not Cygwin) with QoS (DSCP set). Free download of trial version is available.

IPERF is a professional bandwidth test tool for qualifying performance of corporate networks and the Internet. Both versions: interactive graphical and command-line for batch operations are provided.

Check out the videos below for IPERF Charts with UI and command-line version.

Client’s Speak

"The program is working very well. I'm testing a DOCSIS 3.0 cable modem in an 8x4 channel bonded mode. I'm able to get ~300Mbps downstream and ~100Mbps upstream without errors."

M. Pulliam
Cisco Systems Inc

Video:

IPERF Test with QoS
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Bandwidth test with QoS set, using command-line version of IPERF for Windows

IPERF User Interface
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UDP and TCP tests in graphical User Interface

IPERF Charts
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Real-time charting of TCP and UDP tests.

Works in major operating systems:

WIN XP
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WIN 7
WIN 8
WIN 2008
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