mermaid-diagram-to-image

Convert Mermaid diagrams into PNG, SVG, or PDF images using mermaid-cli.

13|1|Updated Oct 18, 2025
One-click install
npx skills add https://github.com/emdashcodes/claude-code-plugins --skill mermaid-diagram-to-image
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid-diagram-to-image
Source: https://github.com/emdashcodes/claude-code-plugins/tree/main/plugins/mermaid-diagram-to-image/skills/mermaid-diagram-to-image
Command: npx skills add https://github.com/emdashcodes/claude-code-plugins --skill mermaid-diagram-to-image

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill converts Mermaid diagrams into high-quality images for documentation, slides, and design reviews, eliminating manual recreation.

Core Features & Use Cases

  • Diagram to image conversion: Transform Mermaid syntax into PNG, SVG, or PDF outputs using mermaid-cli.
  • Documentation and presentation support: Create visuals for READMEs, design specs, and slide decks.
  • Use Case: Imagine you have a Mermaid flowchart in a design doc; run this skill to produce an image ready for publication.

Quick Start

  • Install mermaid-cli if not already installed.
  • Prepare your Mermaid content in a file (e.g., diagram.mmd) or provide inline syntax.
  • Run mmdc -i diagram.mmd -o diagram.png -w 1600 -H 1200 -s 2 to generate a high-resolution PNG.
  • Verify the output image and reuse as needed.

Frequently Asked Questions about mermaid-diagram-to-image

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I convert Mermaid diagrams to PNG or SVG images for documentation?

To convert Mermaid diagrams to PNG or SVG images for documentation, use the mermaid-cli tool to render Mermaid syntax from a file or inline string into high-quality image outputs. It supports configurable dimensions and high-resolution scaling for publication-ready visuals.

What is the best way to render high-resolution Mermaid flowcharts for README files?

The best way to render high-resolution Mermaid flowcharts for README files is by applying mermaid-cli with configurable width, height, and scale parameters. This generates high-quality PNG or SVG images that eliminate the need for manual diagram recreation in documentation.

Do I need mermaid-cli installed to generate images from Mermaid syntax?

Yes, you need mermaid-cli installed to generate images from Mermaid syntax. The tool acts as the rendering engine that processes Mermaid diagram code and exports it as PNG, SVG, or PDF files with configurable dimensions and scaling.

Can I output Mermaid diagrams as PDF files for design specs and slide decks?

Yes, you can output Mermaid diagrams as PDF files for design specs and slide decks. The conversion process supports PNG, SVG, and PDF formats, allowing you to transform Mermaid syntax into ready-to-use visuals for presentations and design reviews.

Why are my Mermaid diagrams not rendering correctly when I convert them to images?

Mermaid diagrams may not render correctly if the mermaid-cli tool is not properly installed or if the input syntax contains errors. Ensure your Mermaid content is valid in a file and verify the output image after running the conversion command with the correct parameters.

Does mermaid-cli support custom width and height settings for diagram conversion?

Yes, mermaid-cli supports custom width and height settings for diagram conversion. You can configure the output dimensions and scale factor to generate high-resolution images, ensuring the rendered PNG, SVG, or PDF meets your specific documentation requirements.