iperf is a tool for active measurement of the maximum achievable bandwidth on IP networks. It supports tuning of various parameters related to timing, protocols, and buffers. For each test it reports the measured throughput / bitrate, loss, and other parameters.
Publisher’s description
What is iPerf3?
iPerf3 is an open-source network tool program for Windows from ar51an. It ranks 4th by popularity among network tools in this catalogue.
Installation and requirements
Official installers exist for 64-bit as Portable. It runs without installation (portable).
Updates and version history
The current version is 3.22, released on September 29, 2026. 7 versions are listed since May 13, 2024, each with links to its own installer files. That is about 2.9 releases a year. The last update is less than a month old.
Popularity and file types
The Chocolatey package has been downloaded 1,477,429 times. The source code on GitHub (ar51an/iperf3-win-builds) has 1,987 stars. Similar programs include Wireshark, ZeroTier One and Nmap.
Project description on GitHub: “iperf3 binaries for Windows. Benchmark your network limits.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Updated in the last two months
- Large user base
Cons
- No native ARM64 build
In short: iPerf3 is an open-source network tool tool for 64-bit PCs.
Is iPerf3 safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
C9FEABB3D721039508CCB81F74C2ADA3AE11B9E75D33D24510573C2AA21DA420· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 7 versions ›7 versions over 2 years · about 2.9 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 3.22Latest | September 29, 2026 | — | 64-bit ZIP |
| 3.21 | April 9, 2026 | — | 64-bit ZIP |
| 3.20 | November 14, 2025 | — | 64-bit ZIP |
| 3.19.1 | July 25, 2025 | — | 64-bit ZIP |
| 3.19 | May 16, 2025 | — | 64-bit ZIP |
| 3.18 | December 13, 2024 | — | 64-bit ZIP |
| 3.17.1 | May 13, 2024 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id ar51an.iPerf3 -echoco install iperf3 -yRelated guide: How to use winget: install and update apps
Also for other systems
brew install iperf3Information
- Publisher
- ar51an
- Category
- Network tools
- Licence
- BSD-3-Clause
- Price
- Free
- Source code
- github.com/ar51an/iperf3-win-builds
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Version
- 3.22
- Released
- September 29, 2026
- Added to the catalogue
- December 16, 2024
- Versions listed
- 7
- Updates / year
- 2.9
- Chocolatey downloads
- 1,477,429
- GitHub stars
- 1,987
- GitHub forks
- 74
- Website
- github.com
- winget ID
- ar51an.iPerf3
- Chocolatey package
- iperf3
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to iPerf3
See all ›-
Open source6.6M ↓ -
Proprietary1.1M ↓ -
Nmap7.80Nmap ("Network Mapper") is a free and open source utility for network discovery and security auditing.Open source897.9K ↓ -
simplewall3.8.7Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.Open source44.3K ↓ -
Open source170.3K ↓ -
Speedtest by Ookla1.15.200.001The definitive way to test the speed and performance of your internet connection.Proprietary745.5K ↓ -
Yggdrasil Network0.5.15The Yggdrasil network is a decentralized, peer-to-peer network that aims to create a more resilient and private internet infrastructure.Open source65.4K ↓ -
Open source85.8K ↓
Frequently asked questions
Is iPerf3 free?
Yes. iPerf3 is open-source software under the BSD-3-Clause licence.
Is iPerf3 safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install iPerf3 with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does iPerf3 run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of iPerf3?
The versions page lists all 7 versions with links to their official installer files, back to May 13, 2024.
Can I use iPerf3 without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to iPerf3?
Wireshark, ZeroTier One, Nmap, simplewall and Angry IP Scanner. The alternatives page compares them.
