Welcome to the detailed analysis for npcap.com. This domain is officially recognized as Npcap: Windows Packet Capture Library & Driver. According to their official web presence, their primary focus is: "Npcap is the packet capture library for Windows 10 and 11. Fast, secure, and compatible successor to WinPcap. Free to use.".
"Npcap Library Networking Library Microsoft Windows 11 Microsoft Windows 10 Microsoft Windows Server 2019 Microsoft Windows Server 2016 Microsoft Windows 8.1 Microsoft Windows Server 2012 R2 Microsoft Windows 8 Microsoft Windows Server 2012 Microsoft Windows 7 Microsoft Windows Server 2008 R2 Download Npcap Npcap License Npcap Changelog 1.89 2026-09-12"
"Npcap is the Nmap Project's packet capture (and sending) library for Microsoft Windows. It implements the open Pcap API using a custom Windows kernel driver alongside our Windows build of the excellent libpcap library. This allows Windows software to capture raw network traffic (including wireless networks, wired ethernet, localhost traffic, and many VPNs) using a simple, portable API. Npcap allows for sending raw packets as well. Mac and Linux systems already include the Pcap API, so Npcap allows popular software such as Nmap and Wireshark to run on all these platforms (and more) with a single codebase. Npcap began in 2013 as some improvements to the (now discontinued) WinPcap library, but has been largely rewritten since then with hundreds of releases improving Npcap's speed, portability, security, and efficiency. In particular, Npcap now offers:"
"Many more details about Npcap are available in the Npcap User/Developer Guide. We've also created a feature comparison between Npcap and WinPcap."
"The free version of Npcap may be used (but not externally redistributed) on up to 5 systems (free license details). It may also be used on unlimited systems where it is only used with Nmap, Wireshark, and/or Microsoft Defender for Identity. Simply run the executable installer. The full source code for each release is available, and developers can build their apps against the SDK. The improvements for each release are documented in the Npcap Changelog."
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Yes, according to our latest analysis, we detected a valid SSL certificate ensuring a secure connection.
As of September 17, 2026, npcap.com holds an estimated domain authority score of 80/100 based on our VisitRank tracking algorithms.
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