Markov Chain Visualiser

I wanted a better way to dynamically visualise Markov chains so I could actually explain them. You define your state transitions using a Mermaid-style DSL, and the tool automatically lays out the graph and animates the transition probabilities as they play out.

Built with

The frontend is a TanStack Start app deployed to Cloudflare Workers. All state is stored in the URL, so any chain you build is instantly shareable — just copy the link.

Example embedded chain