Proxyman could capture WebSocket (WS) and Secure WebSocket (WSS) traffic and easily preview it.
Capture WS/WSS from iOS Physical devices and iOS Simulator.
Capture WS/WSS from Web Browser and Mac application.
Capture WS/WSS from Android Physical device or Android Emulator.
Prettier WebSocket Message.
Filter All / Sent / Received messages.
See the content in JSON / Tree Preview / HEX format.
Customize Columns: Frame, Length, Data, Time, ...
Auto decode Binary Message to JSON if possible
Open Websocket message by external Editors, such as Sublime, VSCode
Proxyman might not be able to capture WS/WSS traffic from iOS apps on iOS Physical Devices (iPhone or iPad) because its traffic does not go through HTTP Proxy.
To capture WS/WSS traffic from iOS devices, please consider using the Atlantis framework.
Read more at https://github.com/ProxymanApp/atlantis#wswss-traffic