Diagram Studio
A free diagram maker: flowcharts, mind maps, sequence, class, ER, Gantt, timelines, charts and maps from text or AI prompts, with a visual builder, live preview, SVG/PNG/PDF export, embed codes and sync with Markdown Editor.
- Type
- Free web tool
- Guide
- How to use ↗
what I built
- 25+ diagram types: Mermaid, Graphviz, PlantUML, D2, WaveDrom, Vega-Lite charts, GeoJSON maps, mind maps and sheet music.
- Describe a diagram and AI draws it; fix errors with one click.
- Export SVG, PNG, JPG, PDF and Markdown; embed live diagrams on any site; share links.
- Shares your account, library and cloud sync with Markdown Editor.
features
- Describe a diagram and AI draws it; one-click Fix, Explain and Convert between diagram types.
- Visual builder for flowcharts (shapes + connections) and mind maps (outline), plus a code editor with live preview.
- Zoomable, pannable canvas with grid / dots / plain / transparent backgrounds and Mermaid themes.
- Export PNG (2×, 4×, transparent), SVG, PDF, JPG, WebP, Word, HTML, Markdown and source; copy image; print.
- Private and short share links, iframe embeds for any website, and insert into Markdown Editor documents without switching apps.
- Library with favourites and trash, synced with your Markdown Editor account.
stack
JavaScriptMermaidGraphvizCloudflare