Does Beauty Diagram require me to rewrite my diagram code?

No, you can paste existing Mermaid, PlantUML, or draw.io source code and beautify it instantly without rewriting.

Can I use Beauty Diagram offline?

Beauty Diagram is primarily an online tool, but the CLI allows you to integrate it into local workflows and automation.

What export formats are supported?

You can export diagrams as SVG, PNG, or animated GIF.

Is there a free tier?

The website offers a free editor with basic features; pricing for premium plans is available on the pricing page.

Beauty Diagram

Diagrams that don't look like they were auto-generated

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What is Beauty Diagram

Beauty Diagram is a diagram beautification tool that transforms Mermaid, PlantUML, and draw.io diagrams into stunning, presentation-ready visuals. It offers curated themes, one-click layout cleanup, and animation of flows, with exports in SVG, PNG, or GIF formats. The tool can be used via a web editor, CLI, or API, making it easy to drop polished diagrams into docs, PRs, and slides.

Key Features

Curated themes for instant beautification

One-click layout cleanup and animation of flows

Export as SVG, PNG, or GIF

Supports Mermaid, PlantUML, and draw.io source

Web editor, CLI, and API access

Use Cases

Developers beautifying Mermaid diagrams for pull requests and documentation
Presenters creating professional-looking flowcharts and Gantt charts for slides
Technical writers enhancing PlantUML diagrams in internal wikis or handbooks

Why do startups need this tool?

Startups often need to communicate complex ideas quickly in presentations and docs, but default diagram renderings look unprofessional. Beauty Diagram turns raw Mermaid or PlantUML code into polished visuals without extra design work, saving time and enhancing credibility. Its API and CLI also enable seamless integration into CI/CD pipelines and developer workflows, ideal for lean teams.