Packet Capture Pro - HTTPS

Packet Capture Pro is a professional-grade network sniffer, HTTP/HTTPS/WebSocket capture tool, and API debugger designed for developers, QA engineers, API testers, and network analysts.

Whether you are troubleshooting mobile apps, integrating backend APIs, or performing security testing, Packet Capture Pro delivers a fast, stable, and seamless debugging experience. Best of all? Android devices can perform comprehensive HTTPS packet capture and traffic analysis with NO ROOT REQUIRED.

🚀 Core Features

🌐 HTTP/HTTPS/WebSocket Packet Capture (No Root)
• Intercept and analyze network traffic in real-time using a secure local VPN proxy.
• Inspect detailed request/response headers, status codes, bodies, and raw payloads.
• Supports multiple payload viewers: Raw, Text, Hex, JSON, XML, Images, and Videos. Perfect for mobile app testing and HTTPS traffic analysis.

🛠️ Advanced API Debugging & Network Testing
• Modify URLs, query parameters, headers, and request bodies to simulate various network scenarios.
• Easily import captured requests to test mobile or Web APIs and third-party integrations.
• Monitor response times, status codes, and track down API failures, timeouts, or SSL issues instantly.

🔄 Powerful Rewrite & Request Replay
• Rewrite Rules: Automatically modify HTTP/HTTPS requests and responses on the fly. Support for request/response replacement, headers modification, and redirection to simulate complex network environments.
• Advanced Replay: Resend captured requests to reproduce bugs effortlessly. Customize replay counts, delays, and intervals for stress testing and automated API validation.

📜 JavaScript Scripts
Use JavaScript scripts for advanced network debugging and test automation.
● Automatically match and execute scripts based on URL rules
● Process URLs, query parameters, request headers, response headers, and bodies
● Work with JSON, text, and binary data
● Redirect requests, terminate connections, and use common encryption and encoding tools
● Import and export scripts

💻 Cross-Device Packet Capture & Network Debugging
Capture mobile network traffic and analyze it on desktop in real time. Inspect requests and responses, debug APIs, and troubleshoot network issues on a larger screen.
● Sync captured mobile traffic to your computer in real time
● Connect quickly with a QR code or manual connection details
● Inspect HTTP, HTTPS, and WebSocket traffic
● Search, filter, and analyze requests and responses

📂 Import & Export
• Export captured traffic data in HAR and CSV formats for easy team sharing and deep data analysis.
• Import external capture files to quickly investigate network issues anywhere.

🧰 Built-in Developer Toolbox
• AES Encryption & Decryption
• URL / Base64 / Unicode / MD5 Encode & Decode
• Ping & TCP Ping Network Diagnostics
• Regex (Regular Expressions) Tester
• Certificate Hash Conversion
• JSON / XML / HEX Formatters

🔒 Privacy First & Secure
Your data is yours. All packet capture and network analysis data are processed locally on your device. Packet Capture Pro uses locally generated self-signed certificates for HTTPS interception, ensuring absolutely ZERO traffic data is uploaded to external servers. Your debugging process remains completely secure and private.

Download Packet Capture Pro today and elevate your network debugging workflow!

🌐 Learn more & Download Desktop Versions (macOS/Windows/iOS):
https://pcp.realsignal.com
🏢 Explore more developer tools by RealSignal:
https://www.realsignal.com

Recent changes:
🌱New JavaScript scripting for API debugging: modify HTTP requests and responses for more flexible, efficient API testing.
If you have any questions or suggestions while using the app, please go to Home → More → About Packet Capture Pro → Give Us Feedback. Our team will follow up as soon as possible.
To get Packet Capture Pro on other platforms (iOS, macOS, Windows), please visit our official website: https://pcp.realsignal.com