Developer Utilities vs Stream HTTP Sniffer

Developer Utilities is a practical toolbox for development, testing, and day-to-day troubleshooting. No account is required—open the app and start diagnosing networks, inspecting web pages, processing data, or transferring content across your local network. Network diagnostics • View local and public IP addresses, carrier details, and proxy information • Ping a domain or IP address • Run single or batch DNS queries • Look up Whois and ICP registration information • Scan the local network and run traceroute Development and debugging • View page source, inject vConsole, and run custom JavaScript • Format JSON • Create and decode short URLs • Convert and preview RGB/HEX colors • Browse system fonts QR codes and cross-device transfer • Scan or generate QR codes • Transfer text, images, and files between a browser and your iPhone or iPad on the same local network • Preview and save images, or open files with the system share sheet • Temporary images and files are removed when the transfer session ends Quick Note • Save text in seconds • Browse a dedicated history page with update times • Tap any record to load it back into the editor The app supports English and Simplified Chinese and follows your system language automatically. The app contains ads. A one-time, non-subscription purchase permanently removes ads and can be restored at any time.

Stream HTTP Packet Capture Tool is a mobile HTTP/HTTPS packet capture and network debugging tool. It is used for local packet capture on the client side, intended solely for local network debugging by QA and development teams. You can capture and view all HTTP/HTTPS requests and responses on your device without connecting to a computer, making it easy to debug application network issues. 1. Capture HTTP & HTTPS requests, with HTTPS requests requiring the configuration of a CA certificate. 2. Access capture history to preview request bodies and response bodies, currently supporting text, JSON, files, and forms. 3. Domain Filtering: Intercept only the traffic you need, avoiding interference with other applications. 4. Request Rewriting: Supports redirection and replacement of request or response messages, and modifications based on regular expressions. 5. Request Blocking: Block requests based on URLs to prevent them from being sent to the server. 6. Scripting: Write JavaScript scripts to handle requests or responses. 7. Search: Search requests based on keywords, response types, and various conditions. Before you start using the tool, please read the following: 1. The target audience for Stream HTTP Packet Capture Tool includes front-end developers, client developers, back-end developers, DevOps engineers, QA engineers, and general users with some network analysis skills. 2. The sole purpose of Stream HTTP Packet Capture Tool is network debugging, and it has no other intended purposes. Additionally, enabling Stream requires your authorization for VPN permissions. 3. Stream HTTP Packet Capture Tool does not upload any user data. Please use it with confidence, and we hope our trusted users will share it with industry professionals. If you do not agree with the above purposes, lack network analysis skills, or inherently distrust third-party apps with sensitive data, we recommend you carefully consider before downloading.