PieSocket - WebSocket & SocketIO Test Client

Test Websocket & SocketIO connections with ease, supports both secure (wss) and unsecure (ws) protocols.

Most Popular WebSocket & SocketIO Debugging Client Test, debug, and monitor WebSocket connections directly from your browser — no external tools or servers needed. Whether you're building real-time chat apps, live dashboards, trading platforms, or multiplayer games, PieSocket WebSocket Tester gives you everything you need to inspect WebSocket traffic with speed and precision. Key Features: Multi-Connection Testing Run up to 3 simultaneous WebSocket sessions side-by-side in single, dual, or triple panel layouts. Compare server responses across environments without switching tabs. Supports ws:// and wss:// Full support for both secure (wss) and unsecured (ws) WebSocket protocols. Works with any WebSocket server. Auto-Reconnect Configure automatic reconnection with custom retry limits and intervals — simulate real-world client behavior effortlessly. Heartbeat / Ping Support Keep connections alive with configurable heartbeat messages sent on a timer. Perfect for testing keep-alive logic on your server. Message History Navigate through previously sent messages using keyboard shortcuts — no need to retype payloads during repeated tests. JSON Pretty-Print Received messages are automatically parsed and formatted for readability. Toggle between raw and pretty-printed views. Log Filtering & Search Filter logs by type (sent, received, error, info) and search across all messages in real time. Export Logs Download full session logs as a timestamped .log file for sharing with teammates or filing bug reports. Live Connection Stats Track bytes sent, bytes received, message count, and connection duration — all updated live. Dark Mode Easy on the eyes during long debugging sessions. Perfect for: Backend & full-stack developers testing WebSocket APIs Frontend developers integrating real-time features QA engineers validating WebSocket behavior DevOps monitoring WebSocket server health Built by PieSocket team from Pie.host— a WebSocket infrastructure platform trusted by developers worldwide.