How to Convert Mermaid Diagram to Image Online
Enter your Mermaid code below, preview the diagram, and export it as PNG or SVG instantly.
How to Convert Mermaid Diagram to Image Online: A Step-by-Step Guide
If you're looking for a way to turn your text-based diagrams into professional visuals, you've come to the right place. Our online Mermaid converter is designed to be fast, secure, and completely free.
Step 1: Paste Your Mermaid Code
Copy your Mermaid diagram definition from your documentation or editor and paste it into the "Mermaid Code" section on the left. We support all standard Mermaid syntax, including flowcharts, sequence diagrams, gantt charts, and more.
Step 2: Render and Preview
Click the "Render Diagram" button. Our tool will instantly process your code and display a live preview in the right panel. If there's a syntax error, you'll see a helpful message to help you debug.
Step 3: Download as PNG or SVG
Once you're happy with the preview, choose your preferred format. Download as a PNG for presentations and social media, or as an SVG for high-quality, scalable graphics in web projects or print.
Frequently Asked Questions
What is Mermaid.js?
Mermaid is a powerful JavaScript-based tool that uses a Markdown-like syntax to generate diagrams. It eliminates the need for complex drawing tools by allowing you to define logic in simple text.
Why use an online Mermaid to image converter?
While many editors support Mermaid, exporting those diagrams as standalone image files can be tricky. Our tool provides a dedicated, lightweight interface to convert Mermaid to PNG online without installing any software or plugins.
Is my data safe?
Absolutely. All rendering and conversion happens 100% in your local browser. Your diagram code never leaves your computer, ensuring total privacy for your workflows and ideas.