PcapXray vs fatt: 2026 Comparison
PcapXray is a free digital forensics and incident response tool. fatt is a free digital forensics and incident response tool. Compare features, ratings, integrations, and community reviews side by side to find the best digital forensics and incident response fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Incident responders and forensic analysts who need to move fast through packet captures should reach for PcapXray; it converts raw pcap files into network diagrams that surface relationships and flows in minutes instead of hours of manual parsing. The tool is free and sits on GitHub with 1,847 stars, meaning you get community validation without licensing friction. Skip this if you need automated threat hunting or real-time network monitoring; PcapXray is forensics-focused and works best as a post-incident analysis tool, not a detection layer.
Incident response teams who need to pivot quickly from packet captures to threat hunting will find fatt indispensable; it extracts JA3 and HASSH fingerprints that let you correlate C2 signatures across your full traffic history in minutes instead of hours. Free and 679 GitHub stars means it's already baked into most mature IR playbooks, lowering your team's time-to-triage on network-based indicators. Skip this if you're looking for packet analysis beyond metadata extraction or need a GUI; fatt is CLI-only and does one job well, which is exactly why it works.
