Guides

Long-form diagram guides

These guides answer practical questions like how to beautify Mermaid flowcharts, how to render Mermaid diagrams online, how to improve PlantUML activity diagrams, how to import and beautify draw.io files, how to use animated diagram previews, and when to choose SVG or PNG.

Each guide is written to answer a workflow question in plain language, with enough detail to be useful on its own and enough context to connect it to the rest of the site.

Featured guide12 min read

How to beautify a Mermaid flowchart

A practical walkthrough with three before/after examples and five techniques you can apply yourself.

MermaidFlowchartHow-to
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Guide

Mermaid Looks Bad? 6 Quick Fixes (with Examples)

Use this checklist when a Mermaid diagram is technically correct but does not look as polished as the document, deck, or product page it sits inside. Each item below is a recognisable symptom, not a workflow step.

GuideWorkflow
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Guide

Render Mermaid diagrams online with live preview

A guide for users searching for Mermaid live preview, Mermaid render online, or an online Mermaid editor that also beautifies the final output.

MermaidLive previewOnline
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Guide

Animated Mermaid Examples — 4 Motion Styles

A guide for using Beauty Diagram animation styles as a review and presentation layer on top of the same Mermaid source. Each example below maps an animation style to the kind of flow it helps the reader understand.

MermaidAnimationThemes
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Guide

Export Mermaid as HD PNG

Use HD PNG when your Mermaid diagram needs to land in a slide deck, email, ticket, or tool that expects a regular image file.

GuideWorkflow
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Guide

Convert draw.io to Mermaid

Use this guide when a draw.io diagram should become easier to maintain as Mermaid source and cleaner to export for documentation.

GuideWorkflow
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Guide

Beautify PlantUML activity diagrams

Use this guide when a PlantUML activity diagram is accurate but too dense or plain for a review, handoff, or slide deck.

GuideWorkflow
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Guide

How to choose SVG vs PNG for diagrams

A guide for people who need a practical answer on vector vs raster diagram output.

SVGPNGExport
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Guide

How to improve PlantUML activity diagrams

A guide for process diagrams that need better structure, clearer branching, and easier presentation.

PlantUMLActivityHow-to
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Guide

How to import a draw.io file into Mermaid

A guide for draw.io users who want to move onto a text-based, beautified Mermaid workflow.

draw.ioMermaidImport
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Guide

How to beautify a draw.io diagram

A practical guide for making draw.io diagrams look polished enough for docs, decks, and reviews.

draw.ioBeautifyHow-to
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Guide

Mermaid Subgraph Examples — Copy-Paste Architecture

A practical walkthrough for engineers who want to express system architecture in plain Mermaid. Each section adds one syntax feature, so by the end of the page a three-tier platform diagram reads naturally and renders cleanly.

GuideWorkflow
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Guide

PlantUML Swimlane Syntax + Examples (Free Tool)

Use this guide when a PlantUML swimlane source already describes the right process but the default render looks vertical, plain, or cluttered.

GuideWorkflow
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