Add a Diagram to a README

Create diagrams GitHub renders natively in your README.

Keine Anmeldung erforderlich

Diagram code

Preview

Start typing to see your diagram…

💡 Write diagrams in Mermaid syntax — flowcharts, sequence diagrams, Gantt charts, class diagrams, and more — and export as SVG or PNG. Rendering happens entirely in your browser; nothing is uploaded.

GitHub tips

📖

GitHub renders Mermaid in Markdown — paste your code in a ```mermaid block and it shows inline.

🔧

Use this editor to get the syntax right with a live preview before committing.

🖼️

If you need an image instead, export SVG or PNG here.

🔒

Everything runs in your browser.

So funktioniert es

Eingabe

Enter your data into the tool above. Everything stays local to your browser.

Verarbeiten

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Herunterladen

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

Warum unseres?

✓Komplett kostenlos — keine versteckten Kosten, jemals

✓Kein Konto, keine E-Mail, keine Anmeldung erforderlich

✓Dateien verlassen nie dein Gerät

✓Keinerlei Dateigrößenbeschränkungen

✓Keine Wasserzeichen auf Ausgaben

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🔀

Make a Flowchart

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↔️

Draw a Sequence Diagram

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📆

Build a Gantt Chart

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🧱

Create a Class Diagram

Diagram classes and their relationships for softwa

Häufige Fragen

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