📊 SoapBox DiagramsAlpha
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Free flowchart & diagram maker

Type on the left, watch it draw on the right. Flowcharts, sequence diagrams, org charts & mind maps — no sign-up, no install.

Start from a template:
Diagram source
Preview
Rendering…

Keep your diagrams — across every device

This editor is fully free and works right here in your browser, no account needed. To save your diagrams to a library, sync them across devices, and optionally publish a diagram to share with a permanent link, create a free MELEK account — it takes a minute and there's nothing to install.

Prefer to stay local? Just use Copy code or Download SVG — your work never leaves this page.

Create a free account
Diagram syntax help

Diagrams use the mermaid text format. A few starters:

flowchart TD — top-down flowchart · A --> B connects boxes · A{Decision} a diamond · A([Rounded]) a pill.

sequenceDiagram — message diagrams · mindmap — mind maps.

Pick a template above to see a working example, then edit it.