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Npcap

Npcap is the packet capture library for Windows 10 and 11, a fast, secure, and compatible successor to WinPcap. It implements the open Pcap API using a custom Windows kernel driver and libpcap, allowing raw network traffic capture and injection including loopback packets.
Latest: 1.83
Last checked: Jul 17, 2025 4:09pm
Rank: 5891/15140
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Overview

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License: Free to useWinget: Available

Version & Lifecycle

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Current: 1.83 Predicted EOL: 2025-08-01 Avg cadence: Frequent (hundreds of releases since 2013)

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

Community Notes

Deployment tip • May 4, 2026
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Npcap redistribution and Wireshark capture-driver prerequisite note

Npcap is the packet-capture driver Wireshark and related tools rely on, but silent redistribution is governed by Npcap OEM licensing. If your deployment requires a silent or internally redistributed Npcap install, validate licensing/source from Npcap before packaging it as a prerequisite; otherwise Wireshark may install while capture-driver servicing remains unmanaged. Source: https://npcap.com/oem/.

Release Notes & Updates

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Avg cadence:
Updates • 0

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npcap

Notes

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Npcap began in 2013 as an improvement to WinPcap and has been largely rewritten with hundreds of releases improving speed, portability, security, and efficiency. It supports Windows 7 through 11 and is used by software like Nmap and Wireshark.