First render is slow?

The WASM module loads once; later renders are faster.

Graphviz DOT Editor

Write Graphviz DOT language and render directed graphs locally in your browser.

DOT source

Preview

Edit DOT on the left and click Render. Graphs are laid out entirely in your browser.

Is data uploaded?: No. Layout uses WebAssembly Graphviz in your tab.
digraph vs graph?: Use digraph for directed edges (->) and graph for undirected (--).
First render is slow?: The WASM module loads once; later renders are faster.