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Pasting and detection
- How to copy a whole reply from your AI assistantWhat the “Copy” button gives you in ChatGPT and Claude, and why you can paste the whole reply into Diagramate without cutting out the code block.
- Using Diagramate on a phoneHow pasting, rendering, theming and downloading work on a phone, including the editor drawer.
Errors and fixes
- Common errors and how to fix themWhat each message in the error bar means and how to fix it - arrows, the end keyword, unclosed brackets, full-width punctuation, missing diagram type, missing end, mind map roots, oversized diagrams.
- Mind map syntax and indentation rulesA Mermaid mindmap cheat sheet - one root, levels by indentation, node shapes, no list markers - plus the prompt that gets assistants to output mindmap code directly.
- Large diagrams - the edge limit and export scaleDiagrams with more than 500 edges are refused by the renderer; a few hundred nodes take a couple of seconds to lay out; export scale is lowered automatically, and SVG has no pixel limit.
Export and files
- Putting the diagram into Word and PowerPointWhat the exported docx and pptx contain, how to edit the diagram later, when to use PNG or SVG, how the clipboard copy works, and exporting a whole AI reply as Word / PowerPoint.
- Why the PDF is a bitmap, and how to get vector outputDiagramate's PDF wraps a 3x high-resolution image in a page sized to the diagram. For vector output, export SVG and convert.
- Downloads do not work inside an in-app browserIn-app browsers such as WeChat block downloaded files. Press and hold the image to save it, or open the page in your regular browser, where this diagram opens ready to export.
- Working with draw.io: export .drawio, recover Mermaid sourceExport a diagram as a draw.io file (double-click the shape there to keep editing the Mermaid), and recover Mermaid source from draw.io files or pasted draw.io content; what can and cannot be recovered.
- Share link - send the diagram together with its code“Share link” compresses the diagram's code and theme into the part of the address after #. It never goes through a server; whoever opens it sees the same diagram and can keep editing. With the length limit, what to do when a link gets cut short, and how it works with the Mermaid live editor.
Themes and styling
- Themes, style and export backgroundsWhat the 17 themes in three groups (classic, hand-drawn, modern) are for, which 8 are free, how the Style panel's sloppiness, fill, stroke and font settings work, how dark mode relates to the diagram theme, and how to choose an export background.
- Edit text, structure, positions, annotations and layout in the previewDouble-click a node in the preview to edit its text (flowcharts and mind maps). Click a node in a flowchart or mind map to add, reshape, recolor or delete nodes, and click a flowchart link to edit or delete it; in state, class and ER diagrams a click colors the node. Drag nodes to move them, and use Annotate to draw, box, point and write on top. Layout changes direction and spacing. It is all kept in the code, so exports and share links match.
Privacy and allowances
- AI fix, tidy, edit and draw - allowance, privacy and the local checkWhen the AI fix button appears, what AI tidy changes and what it leaves alone, how AI edit changes a diagram from one sentence, how to have AI draw a diagram when you have no code, how many requests you get per month, what is sent, whether it is stored, and what the local check before applying means.
- Account and cloud save: signing in, the free limit, what gets storedCloud save is optional. How to sign in (phone, WeChat, email or Google, depending on the site), how many diagrams are free, what is stored, how the My diagrams page opens, renames and deletes diagrams and shows version history, what happens when two devices both changed one, and how to sign out.
- Terms of ServiceHow Diagramate works: who operates it, the free features and the daily export limit, accounts and cloud save, the paid Pro plan and how it is billed on each site, renewal and refund rules, acceptable use.
- Refund PolicyRefund rules for Pro: on diagramate.com, 14 days from any charge, no questions asked. On diagramate.cn, 7 days from the first purchase. Email support@diagramate.com; refunds go back to the original payment method.
- Privacy PolicyWhat Diagramate collects and what it does not. Rendering and export run in your browser; a diagram is uploaded only when you save it to the cloud. Accounts, AI fixes, payments, cookies, retention and how to reach us.