Add a Diagram to a README

Create diagrams GitHub renders natively in your README.

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Diagram code

Preview

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💡 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.

Cara kerja

Masukkan

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

Proses

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

Unduh

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

Mengapa milik kami?

✓Sepenuhnya gratis — tidak ada biaya tersembunyi, selamanya

✓Tidak perlu akun, email, atau login

✓File tidak pernah meninggalkan perangkat Anda

✓Tidak ada batasan ukuran file sama sekali

✓Tidak ada tanda air pada output apa pun

Also check out…

🔀

Make a Flowchart

Create a flowchart from text and export it as an i

↔️

Draw a Sequence Diagram

Diagram how systems or people interact over time.

📆

Build a Gantt Chart

Lay out a project timeline as a Gantt chart from t

🧱

Create a Class Diagram

Diagram classes and their relationships for softwa

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