packet-peeper ☆

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Description:
Network protocol analyzer

Type: Cask | Latest Version: 2022-08-31@0 | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: networking packet-analyzer protocol-analyzer debugging macos

Install: brew install --cask packet-peeper

About:
Packet Peeper is a GUI-based network protocol analyzer for macOS that captures and inspects data packets traversing a network interface. It allows users to decode and analyze network traffic in real-time, helping to diagnose network issues and understand application behavior. The tool provides a detailed view of packet headers and payloads, making it valuable for network troubleshooting.

Key Features:

Real-time packet capture and analysis
Support for decoding numerous network protocols
GUI interface for easy inspection of traffic
Filtering and search capabilities for focused analysis

Use Cases:

Debugging network communication issues in applications
Analyzing network traffic patterns for security or performance

Alternatives:

Wireshark – Industry standard with broader protocol support and CLI tools
tcpdump – Command-line packet analyzer, less visual but highly scriptable

Version History

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