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Download Fldigi 4.2.13 for Windows

Fldigi Amatuer Radio Digital Modes Modem

Fldigi Amatuer Radio Digital Modes Modem

Publisher’s description

What is Fldigi?

Fldigi by Fldigi developers is open-source Windows software in the network tools category. Besides Windows, it is available for Linux.

Installation and requirements

The publisher provides EXE (NSIS) installers for Any CPU Windows. The main installer is 7.5 MB. A silent install is possible with the installer’s documented switches.

Pros / Cons

Pros

  • Open source: the code can be inspected and built by anyone
  • Documented silent install
  • Small download (7.5 MB)
  • Also runs on Linux

In short: Fldigi is an open-source network tool tool for Any CPU PCs. Administrators can deploy it unattended.

Is Fldigi safe to download?

  • The file is served by w1hkj.org, the publisher’s own domain
  • The download link uses HTTPS
  • A SHA256 hash is published, so you can verify the file: E923E55F8C3A7DFA323E1B6B532779BAE95B48BC49BA562C1213D2311042DD6D · Open the VirusTotal report for this hash
  • The link answered when we last checked it (October 22, 2026)
  • 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 1 versions ›
2026: 1 1 26
VersionDateSizeFiles
4.2.13Latest July 30, 2026 7.5 MB Any CPU EXE (NSIS)

Install from the command line

Silent install ›
PowerShell
wingetwinget install --id w1hkj.fldigi -e
silentfldigi-4.2.13_setup.exe /S

Related guide: How to use winget: install and update apps

Also for other systems

macOS (Homebrew)brew install --cask fldigi
Linux (Flathub)flatpak install flathub com.w1hkj.fldigi

Information

Publisher
Fldigi developers
Category
Network tools
Licence
GNU General Public License V3
Price
Free
Content rating
All ages
Requires
Windows 11 / 10
Architecture
Any CPU
Installer
EXE (NSIS)
Other platforms
Linux
Version
4.2.13
Released
July 30, 2026
Added to the catalogue
October 19, 2026
Versions listed
1
winget ID
w1hkj.fldigi

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Frequently asked questions

Is Fldigi free?

Yes. Fldigi is open-source software under the GNU General Public License V3 licence.

Is Fldigi safe to download?

The download comes from w1hkj.org, 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 Fldigi 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.

Can Fldigi be installed silently?

Yes. The silent install page lists the exact command for each installer.

Does Fldigi run on ARM (Windows on Arm)?

The installer is architecture-neutral.

What are alternatives to Fldigi?

Wireshark, ZeroTier One, Nmap, iPerf3 and Angry IP Scanner. The alternatives page compares them.

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  5. Angry IP ScannerAngry IP scanner is a very fast IP address and port scanner.
  6. simplewallSimple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.
  7. Yggdrasil NetworkThe Yggdrasil network is a decentralized, peer-to-peer network that aims to create a more resilient and private internet infrastructure.
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  10. clumsyclumsy makes your network condition on Windows significantly worse, but in a managed and interactive manner

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