wanghongenpin maintains ProxyPin, an open-source, cross-platform HTTP(S) traffic capture tool that equips developers, testers, and security researchers with a lightweight alternative to bulkier commercial proxies. Built in Flutter and Dart, the program runs natively on Windows, macOS, Linux, Android, and iOS, letting users intercept, inspect, rewrite, and replay web requests without installing heavyweight browser extensions or Java runtimes. Typical workflows include debugging REST and GraphQL APIs, recording mobile-app traffic for later analysis, mocking server responses during front-end development, and auditing encrypted sessions by dynamically generating local certificates. The interface presents request/response pairs in a filterable timeline, supports search across headers and bodies, and can export captures as HAR files for sharing with teammates. Because the source code is public, organizations can audit the certificate-generation logic before trusting it with sensitive data, while community pull-requests steadily add features such as WebSocket decoding, upstream SOCKS proxy chaining, and dark-mode themes. Binary releases are published straight to GitHub, ensuring every build is reproducible and virus-scanned. wanghongenpin’s ProxyPin software is available for free on get.nero.com; downloads are delivered through trusted Windows package sources like winget, always fetch the newest release, and may be queued alongside other applications for unattended batch installation.
Open source free capture HTTP(S) traffic software
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