Test WebSocket and Socket.IO connections with ease. A modern, intuitive tool for developers.
Users
7
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#222K
#186K among extensions
Version
1.0.0
updated 12 Jan 2026
Users
monthly, 9 months
Latest, 16 Oct 2026:7 usersMove the mouse over the chart for any month
Ratings count
monthly, 9 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Flash Cloud Socket Tester
Flash Cloud Socket Tester - The Ultimate WebSocket & Socket.IO Testing Tool
A powerful, modern Chrome extension designed for developers to test and debug WebSocket and Socket.IO connections with ease.
✨ KEY FEATURES:
🔌 WebSocket Support
• Connect to any WebSocket server (ws:// or wss://)
• Send and receive messages in real-time
• View connection status and errors instantly
🔌 Socket.IO Support
• Full Socket.IO client integration
• Custom path configuration
• Transport selection (Polling, WebSocket, or both)
• Auto-connect and reconnection options
• Custom event names for emit/listen
📝 Message Management
• Send Text or JSON formatted messages
• Save frequently used messages for quick access
• Load saved messages with one click
📋 Connection Log
• Real-time message logging
• Filter by: All, Sent, Received, System
• Timestamps for each message
• Clear logs with one click
⚙️ Advanced Options
• Custom HTTP headers support
• Remember last used URL
• Persistent settings across sessions
🎨 Modern Design
• Clean, intuitive two-column interface
• Dark-themed for comfortable viewing
• Responsive and lightweight
💡 PERFECT FOR:
• API developers testing WebSocket endpoints
• Real-time application debugging
• Socket.IO server development
• Learning WebSocket/Socket.IO protocols
🔒 PRIVACY:
• No data collection
• No external connections (except your target servers)
• All settings stored locally on your device
• Open source and transparent
Built with ❤️ by Flash Cloud
Website Support : https://flashs.cloud/