Is WebSocket Tester free to use?
Yes. WebSocket Tester is available through MyDevTools with a public landing page and browser-based app experience.
A browser-based WebSocket client for connecting to ws:// and wss:// endpoints, sending and receiving messages, inspecting JSON payloads, handling close codes, and auto-sending keep-alive pings. Runs entirely client-side with no data leaving the browser.
Connect to any ws:// or wss:// endpoint, send and receive messages, pretty-print JSON, and auto-ping — all in your browser. Runs entirely in your browser — no installation, no account required to try it.
Use WebSocket Tester when you need a fast, browser-based way to work with websocket tester. It is useful during API debugging, code reviews, documentation cleanup, test data preparation, and quick checks on a new machine where you do not want to install a desktop app. Because MyDevTools keeps related utilities together, you can move from WebSocket Tester into nearby tools like formatters, converters, generators, encoders, decoders, and API helpers without leaving the same toolkit.
A typical workflow starts by pasting or typing your input into WebSocket Tester. Review the result, copy the cleaned or generated output, then continue with a related task such as validating a payload, decoding a token, parsing a URL, generating an identifier, or testing an API request. This makes WebSocket Tester part of a practical developer workflow instead of a one-off utility page.
Yes. WebSocket Tester is available through MyDevTools with a public landing page and browser-based app experience.
No. WebSocket Tester runs in a web browser, so you can open it from any modern device without installing a desktop utility.
A browser-based WebSocket client for connecting to ws:// and wss:// endpoints, sending and receiving messages, inspecting JSON payloads, handling close codes, and auto-sending keep-alive pings. Runs entirely client-side with no data leaving the browser.
Most developers pair WebSocket Tester with related MyDevTools utilities such as formatters, parsers, encoders, generators, API tools, and security helpers.
Click "Use WebSocket Tester Free" above — no download or account required.
Paste or type your input directly in the browser. Processing happens locally on your device.
Get your output instantly. Copy it, download it, or keep working in the same tab.