DG Diagram-Generator

Type a description, get a professional diagram in seconds

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Screenshot of DG Diagram-Generator, Type a description, get a professional diagram in seconds

What is DG Diagram-Generator?

DG Diagram-Generator is an architecture diagram tool. A chat driven diagram tool that researches a topic and renders flowcharts, UML, mind maps, Sankey and other visuals, with editable Mermaid output or a high resolution image and a choice of eleven visual styles.

DG Diagram-Generator is a browser based tool that turns a written prompt into a finished visual. The workflow is conversational: you describe the system, process or topic you want to show, and an agent researches the subject, plans the layout and renders the result. The company advertises sixteen or more diagram types in one editor, covering flowcharts, sequence, class, state, Gantt, timeline, mind map, network, ER, UML, Venn, Sankey, AWS architecture, Lewis structures, org charts, quadrant and funnel charts. Output comes in two forms. Logic Mode produces editable Mermaid code suited to documentation and version control, while Pro Mode renders a high resolution image for slides, reports and presentations. In practice the tool is aimed at people who need to communicate structure rather than draw it by hand. Engineers can paste a spec or PRD and get an architecture sketch; analysts can ask for a market map or a supply chain flow; teachers and students can build mind maps and timelines without touching a canvas. Refinement happens in the same chat: instructions such as recolouring a node, inserting an extra step or re-rendering at a larger size are handled as follow up messages, and the agent can switch between Mermaid and rendered image mid-conversation. Two details separate it from drag and drop diagram editors. First, Pro Mode can pull live web data, so a request about a current supply chain or cloud outage returns a diagram built from fetched sources rather than generic shapes. Second, a style picker applies one of eleven visual treatments (Modern Tech, Editorial, Blueprint, Hand-drawn, 3D Isometric, Cyberpunk, Academic and others) while keeping the underlying logic intact. Every diagram can be exported as Mermaid, Markdown, SVG, PNG or PDF. The product is in public beta and runs on a credit model, with a few free credits to start and paid tiers that raise resolution and remove watermarks. It suits teams that already live in chat and documents; anyone who needs precise pixel level control of a canvas will still prefer a classical diagramming suite.

How do you use DG Diagram-Generator?

  1. 1Pick a diagram type or start from the gallery
    Browse the gallery of example diagrams to see what each type looks like, or click a specific type card such as flowchart, ER or mind map to open the editor for that format.
  2. 2Describe what you want to visualize
    Type a prompt, paste notes or drop a file. The agent grounds the facts, selects the diagram type and plans the layout before rendering.
  3. 3Choose editable code or a rendered image
    Logic Mode returns editable Mermaid you can version in Git; Pro Mode renders a presentation ready image at up to 4K resolution.
  4. 4Apply a visual style
    Use the style picker to switch between treatments such as Modern Tech, Editorial, Blueprint or Hand-drawn. The underlying logic stays the same.
  5. 5Refine by chatting
    Ask for changes in plain language, for example recolour a node, insert a step or re-render at a larger size, and the agent updates the diagram in the same conversation.
  6. 6Export in your preferred format
    Every diagram can leave as Mermaid, Markdown, SVG, PNG or PDF, so it can drop into docs, a repository or a slide deck.

Pros and cons

Pros

  • Sixteen diagram types in a single editor, from flowcharts and UML to Sankeys and org chartsAI
  • Two output modes: editable Mermaid code for docs and version control, or a rendered image for slidesAI
  • Refinement happens in natural language, so restyling or adding a step does not require a manual editorAI
  • Pro Mode can pull live web data for current topics such as supply chains or cloud outagesAI
  • Eleven visual styles let the same logic match a brand deck, an academic paper or a reportAI

Cons

  • Rendered Pro Mode images are not structured objects, so fine grained layout control depends on the agentAI
  • Public beta status means behaviour and the credit model may still changeAI
  • Free tier caps resolution at 2K and watermarks Pro Mode outputAI
  • Pricing and plan details beyond the listed tiers are thin on the homepage, so cost at volume is hard to predictAI
  • Live web research quality will vary by topic and cannot be verified from the marketing materialAI

How much does DG Diagram-Generator cost?

Free trial

No credit card is required to start: 5 free credits are included, and the free Developer tier stays available with watermark and 2K limits.

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Pricing

Developer is free with 5 one-time Pro credits, Logic Mode, all diagram types, 2K maximum resolution and a watermark on Pro Mode. Starter costs $9 per month for 100 Pro credits, no watermark, a commercial licence and a private gallery. Professional costs $35 per month for 400 credits and 4K generation. Yearly billing saves 17 percent.

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Features

Sixteen or more diagram types in one editor, including flowchart, sequence, class, state, Gantt, timeline, mind map, network, ER, UML, Venn, Sankey, AWS, Lewis, org chart, quadrant and funnel. Logic Mode outputs editable Mermaid; Pro Mode renders images up to 4K. Eleven visual styles, search grounded research and chat based refinement round out the set.

Frequently asked questions about DG Diagram-Generator

  • How much does DG Diagram-Generator cost?
    Developer is free with 5 one-time Pro credits, Logic Mode, all diagram types, 2K maximum resolution and a watermark on Pro Mode. Starter costs $9 per month for 100 Pro credits, no watermark, a commercial licence and a private gallery. Professional costs $35 per month for 400 credits and 4K generation. Yearly billing saves 17 percent.
  • Does DG Diagram-Generator offer a free trial?
    No credit card is required to start: 5 free credits are included, and the free Developer tier stays available with watermark and 2K limits.
  • How do you use DG Diagram-Generator?
    The walkthrough on this page covers 6 steps: 1. Pick a diagram type or start from the gallery 2. Describe what you want to visualize 3. Choose editable code or a rendered image 4. Apply a visual style 5. Refine by chatting 6. Export in your preferred format.
  • What platforms does DG Diagram-Generator support?
    DG Diagram-Generator is available on Web App.
  • What are the limitations of DG Diagram-Generator?
    Rendered Pro Mode images are not structured objects, so fine grained layout control depends on the agent. Public beta status means behaviour and the credit model may still change. Free tier caps resolution at 2K and watermarks Pro Mode output.

Status

StatusActive
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Added10/21/2026

Platforms

Web App

Pricing

FreemiumSubscription