extension ExtPose

Browser WebSocket Client

CRX id


Description from extension meta

Connect to a WebSocket server to send and receive raw JSON messages.

Image from store Browser WebSocket Client
Description from store Browser WebSocket Client is an extension for Chrome and Firefox that provides a simple method for testing a WebSocket server. It allows you to send and receive raw JSON messages as well as save server URLs, protocols, and messages for later use. Advantages Intuitive Bootstrap 4 user interface Save server URLs, protocols, and messages for later use Login to Chrome or Mozilla and your saved settings will be synced across different devices Pretty-print incoming JSON messages and saved message bodies Export and import the plugin settings so you can easily backup and share them with colleges

Latest reviews

  • (2021-02-09) Brian Busch: Excellent tool - very easy to use - able to immediately test my ws backend. Exporting configs to another browser to test multiple clients. Very nice.
  • (2020-09-19) Arek Nurzyński: Simple, straightforward, allow connecting to localhost server. SO COOL.
  • (2020-03-10) It is requiring/requesting to manage downloads . Previous versions did not, and I see no reason it should need to manage my downloads, so I have stopped using it.
  • (2020-03-05) Maxim Kornienko: The plugin started to request permissions (reading browsing history, modifying analytics data) that it doesn't actually need to perform any of its tasks.
  • (2020-02-13) ricvas2007: Very good!
  • (2019-12-10) Justin B: The best program among chrome plugins.
  • (2019-10-19) Albert Beade: Great tool!
  • (2019-06-30) 王建凯: 支持子协议,支持wss,支持json格式化,支持保存,十分好用
  • (2019-02-14) Thế Hiển Lưu: Cool!!!
  • (2019-01-09) Excellent!!
  • (2018-04-16) Arunkumar R: good

Latest issues

  • (2019-04-03, v:1.2.0) Neil Hooey: How can you set a header?
    I can't seem to set a header as described in this document: https://developer.kontakt.io/backend/le/monitoring/ Can your extension do that?


15,474 history
4.4 (13 votes)
Last update / version
2020-03-10 / 1.4.2
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