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WebSocket Echo Server

Hosted echo server and tester to verify a WebSocket client can connect and round-trip messages.

Artifact by WebSocket.org

IndexedLicense unknownDeveloper toolsNo sign-up

Use it

Opens websocket.org in a new tab. Nothing to install.

You provide
Message text
You get
Echoed response
Account
No sign-up needed
AI
No AI: a plain tool
Your input
Not stated: check the tool's privacy notes before using private data
Price
Free to use
Made with
Hosted web tool
Source
Source code not public
Link check
Answered on Oct 31, 2026

About

WebSocket Echo Server is a hosted web tool in the developer tools category (websocket tester). It opens in your browser, so there is nothing to install. You provide message text and get echoed response. It needs no account. It is a plain tool: no AI model is involved.

Category: Developer tools · websocket tester

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Details

Auth
No auth
License
License unknown
First seen
Oct 31, 2026
Last checked
Oct 31, 2026
Cite this page

WebSocket Echo Server: free online tool. Agent Mart. https://agentmart.dev/artifacts/websocket-echo-server (last updated 2026-10-31)