A free and open-source XMPP chat client in your browser

Now also available in a fullscreen version. Check out

Converse.js is written in Javascript and runs in your browser.

You can start using it here immediately, or you can integrate it into your own website.

Take a look at the demo page for other examples of how Converse.js can be configured and used.

You can connect to any publically accessible XMPP/Jabber server, either from a public provider, or one you have set up yourself.

Don't have an XMPP/Jabber account?

No problem! With converse.js you can register an account on any public XMPP server that allows registration.


  • Available as overlayed chat boxes or as a fullscreen application. See for the fullscreen version.
  • Plugin Architecture
  • Single-user and group chat
  • Multi-user chatrooms (XEP 45)
  • Chatroom bookmarks (XEP 48)
  • Direct invitations to chat rooms (XEP 249)
  • vCard support (XEP 54)
  • Service discovery (XEP 30)
  • In-band registration (XEP 77)
  • Roster item exchange (XEP 144)
  • Custom status messages
  • Typing and chat state notifications (XEP 85)
  • Desktop notifications
  • Messages appear in all connected chat clients (XEP 280)
  • Third person "/me" messages (XEP 245)
  • XMPP Ping (XEP 199)
  • Server-side archiving of messages (XEP 313)
  • Hidden messages (aka Spoilers) (XEP 382)
  • Client state indication (XEP 352)
  • Off-the-record encryption
  • Supports anonymous logins, see the anonymous login demo.
  • Translated into 17 languages


Professional support and custom development

I'm available for paid-for features, custom development and consulting.
However, please don't contact me personally for free support, use the other channels mentioned above.

Here's my contact form.

Converse.js is supported by:

  • KeyCDN
  • WikiSuite

Converse.js is a software commons; available at no cost to you or anyone else. Sponsorships allow us to fund further development and improvements and are greatly appreciated. If you'd like to sponsor this project, please visit Patreon or Liberapay.