WebSocket Tester

The WebSocket Tester lets you connect to any WebSocket server, send text or JSON messages, and view incoming messages in real-time. Includes connection status indicators, message history with timestamps, and the ability to send custom headers. Perfect for debugging WebSocket APIs, chat servers, and real-time data feeds.

Key Features

• Process and analyze data entirely in your browser — nothing is sent to any server
• Handles edge cases, special characters, and large inputs gracefully
• Real-time matching and highlighting as you type
• Support for multiple regex flags (g, i, m, s)
• Visual breakdown of match groups and captures
• Responsive design — works perfectly on desktop, tablet, and mobile

How to Use WebSocket Tester

1. 1Enter your input data in the WebSocket Tester input area above
2. 2Adjust any available options or settings to match your requirements
3. 3Click the action button to process your data with WebSocket Tester
4. 4Copy the result to your clipboard or download it for use in your project

When to Use WebSocket Tester

WebSocket Tester is ideal for developers who need a quick, reliable way to connect to websocket endpoints, send/receive messages, and inspect real-time traffic. Whether you're working on a personal project, debugging production issues, or building enterprise applications, this tool saves time by handling api & web tools tasks directly in your browser without requiring any software installation or account setup.

Common use cases include day-to-day development workflows, code reviews, API debugging, data migration tasks, and quick one-off transformations. Since all processing happens client-side, WebSocket Tester is safe to use with sensitive or proprietary data — nothing ever leaves your machine.