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GeezerVison is showing www.wireshark.org — Wireshark • Go Deep

The world's leading network protocol analyzer

Wireshark lets you dive deep into your network traffic - free and open source.

Download Now
Wireshark Certified Analyst

Our members & sponsors. Join our community of industry leaders supporting open-source innovation.

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Prepare and Pass the WCA!
Prepare and Pass the WCA!
Get Certified - Wireshark Hands On Labs
Get Certified - Wireshark Hands On Labs
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Dr. Kelley Misata - Shift the Conversation: Open Source is Free, But Not Free-Free

Recent News

Stay up to date with the latest info from the Wireshark team.

Announcement

2026-10-06

Wireshark Expands Board of Directors with a Renewed Vision for the Future

Read more

Announcement

2026-06-26

Remembering Graham

Read more

Announcement

2025-10-08

What’s New In Wireshark 4.6?

Read more

Struggling with Network Diagnostics?

Wireshark is your go-to tool for network analysis and debugging.

Identify bottlenecks & troubleshoot issues faster.

Gain insights into network protocols with ease.

Understand traffic patterns & optimize performance.

Protect and optimize your network with confidence.

Trusted by Millions Worldwide

Wireshark is the choice of professionals worldwide.

20M+

20+ million downloads annually

100K+

Active community of 100k+ contributors

20

Supported in over 20 languages

Why Wireshark?

Free, Open Source, and Powerful

Comprehensive Network Analysis. Wireshark is a powerful, open-source network protocol analyzer that allows users to capture and interactively browse the traffic running on a computer network, providing deep inspection of hundreds of protocols.

Open Source and Free Forever. As an open-source tool, Wireshark is freely available for use and distribution, with its source code accessible under the GNU General Public License (GPL).

Supported by an Active Community. The Wireshark project is supported by a vibrant community of developers and users who contribute to its ongoing development and enhancement.

Get Started Today
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Download Wireshark

Choose your platform and start analyzing network traffic today.

  • Stable Release: 4.6.9
    • Windows x64 Installer
    • Windows Arm64 Installer
    • Windows x64 PortableApps®
    • macOS Universal Disk Image
    • Ubuntu
    • Source Code
  • Old Stable Release: 4.4.19
    • Windows x64 Installer
    • Windows Arm64 Installer
    • Windows x64 PortableApps®
    • macOS Arm Disk Image
    • macOS Intel Disk Image
    • Source Code
    • Development Release: 5.0.0rc2
      • Windows x64 Installer
      • Windows Arm64 Installer
      • Windows x64 PortableApps®
      • macOS Universal Disk Image
      • Source Code
  • Documentation
    • User's Guide (Multiple Pages)
      •
    • User's Guide (Single Page)
      •
    • All Documentation
      •

Frequently Asked Questions

  • What platforms does Wireshark support?

    Wireshark runs on most computing platforms including Windows, macOS, Linux, and UNIX. It can also be built from source on other platforms. For more information, see the Download page.

  • Is Wireshark really free to use?

    Wireshark is "free software"; you can download it without paying any license fee. The version of Wireshark you download isn't a "demo" version, with limitations not present in a "full" version; it is the full version. The license under which Wireshark is issued is the GNU General Public License version 2. See the GNU GPL FAQ for some more information.


    Wireshark is maintained by the Wireshark Foundation , a non-profit organization dedicated to supporting the development and distribution of Wireshark. The Foundation is funded by donations from users and organizations that rely on Wireshark for their network analysis needs, consider supporting us by making a donation!

  • Where can I find tutorials and resources?

    Our Learn page is a great place to start. Our https://www.youtube.com/@WireSharkFest also has many tutorials and classes on various topics related to network analysis.

Still have questions?
Visit our documentation or see the full FAQ.
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