Packet Capture Pro is a powerful network analyzer, packet sniffer, HTTP proxy, and API testing tool for iPhone, and Mac. Designed for developers, QA engineers, API testers, and network security professionals, it helps you capture, inspect, intercept, and debug HTTP, HTTPS, and WebSocket traffic with ease.
Whether you're performing API debugging, monitoring network requests, analyzing app traffic, testing web services, or troubleshooting connectivity issues, Packet Capture Pro delivers a complete suite of professional network analysis tools directly on iOS and macOS.
Key Features
HTTP/HTTPS/WebSocket Packet Capture
Capture and inspect network traffic in real time using a secure local VPN proxy.
● Capture HTTP, HTTPS, and WebSocket requests
● View requests, responses, cookies, headers, and payloads
● Multiple data viewers: Raw, Text, JSON, XML, HTML, Image, Media, and HEX
● Store capture history locally for offline analysis and replay
Perfect for packet analysis, traffic inspection, API debugging, and network monitoring.
Advanced API Testing & Request Debugging
Powerful tools for API development and troubleshooting.
● Edit URLs, query parameters, headers, and request bodies
● Import captured requests for rapid API testing
● Monitor response times, status codes, and performance metrics
● Diagnose API failures, SSL issues, timeout errors, and network exceptions
Ideal for REST API testing, mobile app debugging, and backend service validation.
Rewrite
Modify requests and responses dynamically with flexible rewrite rules.
Supported Rewrite Modes:
● Request Replacement
● Response Replacement
● Request Modification
● Response Modification
● URL Redirection
Automate testing workflows and simulate real-world network scenarios without changing application code.
Advanced Replay
Replay captured requests with configurable loops, delays, and intervals.
● API reproduction and debugging
● Performance validation
● Stress testing and load simulation
● Regression testing workflows
Real-Time iPhone-to-Mac Traffic Sync
Analyze mobile traffic on a larger screen.
● Mirror iPhone network traffic directly to Mac
● Instant connection via QR code scanning
● Manual connection through IP and Port configuration
● Real-Time packet inspection and traffic monitoring
Built for seamless debugging across the Apple ecosystem.
Import / Export
Work efficiently with industry-standard traffic formats.
● Import HAR files for packet analysis
● Export captured sessions as HAR or CSV
● Share debugging sessions with teammates
● Archive traffic data for future investigation.
Precision Capture Rules
Filter traffic intelligently and focus on what matters.
● Exclude specific domains from packet capture
● Capture HTTPS traffic only from selected domains
Reduce noise and improve debugging efficiency.
Developer Network Toolbox
Everything you need for everyday network diagnostics.
● AES Encryption & Decryption
● URL Encoding & Decoding
● Base64 Encoding & Decoding
● Unicode Conversion
● MD5 Hash Generation
● Ping & TCP Ping Diagnostics
● Regular Expression Tester
● JSON Viewer / XML Viewer / HEX Viewer
Privacy First
Packet Capture Pro uses a local VPN configuration and a locally generated self-signed certificate to capture and analyze network traffic securely on your device.
● No cloud uploads
● No data collection
● No third-party servers
● All captured traffic remains on your device
Your requests, responses, API data, and packet capture history are stored locally, ensuring maximum privacy and security.
Privacy Policy:
https://pcp.realsignal.com/privacy
Terms of Service:
https://pcp.realsignal.com/terms
Official Website & Support
Download the companion Mac application and learn more about Packet Capture Pro:
https://pcp.realsignal.com
Discover more tools from RealSignal:
https://www.realsignal.com
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