Diagrams by marker.js

Diagrams by marker.js is a lightweight web‑based diagramming tool that lets you create, edit and share flowcharts, mind maps, organizational charts, network diagrams and more. All diagrams are stored locally in your browser, ensuring privacy with no data sent to external servers. The intuitive drag‑and‑drop interface supports custom shapes, connectors, styling options and instant export to PNG or SVG. Ideal for designers, product teams and educators who need fast, offline diagram creation.