Mermaid2Visio · Public Preview

Turn Mermaid Code into Rich, Editable Visio Diagrams in Seconds

Automate architecture, governance, and sequence diagrams with zero data retention. Diagrams are processed server-side in memory and exported as editable Microsoft Visio VSDX files.

Editable VSDX shapes In-memory processing Zero data retention

architecture-flow.mmd

01 flowchart LR
02   A[Mermaid source] --> B{Governance check}
03   B -->|approved| C[Conversion engine]
04   C --> D[Editable VSDX]
05   D --> E[Architecture review]

Microsoft Visio

HomeInsertDesignReviewView

Start

Editable Node

Security Gate

End

Zero Data Retention Policy Diagrams are processed server-side in memory and never stored.

Flow Sequence Class ERD Gantt

Upload Mermaid file .mmd, .md, .mermaid, .txt

diagram.mmd Fira Code

Step 2 · Validate and export editable Visio shapes.

Best current paths: flowchart TD/LR, sequenceDiagram, stateDiagram-v2, classDiagram, erDiagram, or gantt. 0/30 nodes, 0/40 connectors

Public preview

Use it now, with commercial limits ready to evolve

The community tier validates the core workflow quickly. Paid tiers can unlock larger architecture diagrams, branded templates, batch conversion, private history, team workspaces, audit controls, and API access.

Community tier Premium VSDX Unlock

Up to 30 nodes / 40 connectors
Single-file processing
Community support
Go Pro for more

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Architect-Grade Fidelity

Preserve diagram intent with accurate shapes, connection points, labels, and layout logic for architecture review sessions.

Full VSDX Control

Export real editable Visio objects instead of flat images, so teams can refine, brand, annotate, and govern the diagram.

Enterprise-Grade Scalability

Designed for roadmap extensions like larger diagrams, batch jobs, private workspaces, audit trails, and API-driven pipelines.