20+ The most complete diagramming for Confluence

Every diagram
your team draws,
right inside Confluence.

Mermaid, PlantUML, C4, Excalidraw, DBML and 20+ more — one app, one price, versioned next to the page. No more juggling five separate plugins.

30-day free trial No credit card Built on Forge
Architecture overview · Confluence
Capable Diagram API request flow
Client API Gateway Auth service Resource API Postgres
Version 12 Auto-saved · versioned with the page
Trusted by teams worldwide
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Active installations
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Diagram libraries
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Faster rendering
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Marketplace rating
One app, every format

20+ diagram libraries.
No other Confluence app supports as many.

Stop paying for one app per format. Every library is included in every plan — pick the right tool for each job without leaving the page.

Explore the full diagram reference
Two ways to draw

Drag it. Or write it.
Both stay in sync.

Use the visual editor with its extensive icon library for drag-and-drop creation, or switch to text mode for precise, scriptable diagrams with live preview.

Visual editor
User Service Queue Database
Text mode · Mermaid
live
Live preview
Client API Gateway Auth? Orders
Powered by AI

Describe it. Watch it draw.

Generate an entire diagram from a single prompt, or get instant suggestions as you edit. AI speeds up both writing and refining.

Generate
Cart Payment Order service Fulfilment Email
Generated in Mermaid · fully editable
Never lose a diagram again

One browser for every diagram, across every space.

Every diagram you insert is automatically indexed. Search by type, creator, or content and filter by space or date — then jump straight to the page.

Search by diagram type, creator, or content
Filter by space or date, preview before opening
Full-screen view with panning, jump to source page
Diagrams on pages
All Mermaid PlantUML C4 BlockDiag Data
Start faster

Reusable templates, space or company-wide.

Start from built-in templates or save your own. Standardize diagrams across projects without reinventing the wheel — scoped to a space, or global for the whole org.

Switch without the pain

Bring your existing diagrams with you.

Automated migration tools convert your diagrams and keep version history and page structure intact. Most teams finish in hours, not days.

See all migration tools
Capable Diagrams
Version history preserved
Fewer apps to manage

Replace five apps with one.

One bill, one interface, one learning curve. All libraries, unlimited diagrams, template sharing and AI included at every tier.

The old way
A hand-drawing app$$
A Mermaid app$$
A PlantUML app$$
Separate tools for BPMN, ERD, networks$$
External services for specialist formats$$
With Capable
All 20+ libraries included
Unlimited diagrams, no per-diagram charge
Template sharing & AI at every tier
Volume discount as your team grows
One bill for everything above.

Loved on the Marketplace.

Real reviews from Confluence teams.

The only diagramming app
your Confluence needs.

Install in a click and start your 30-day free trial. No credit card required.

Install from Atlassian Marketplace Book a demo
Keep exploring

Everything you need to get started.

Install free
Get it on the Atlassian Marketplace — 30-day trial, no card.
Documentation
Guides for every diagram type, the editor, AI and migration.
Diagram reference
Live examples of all 20+ diagram types with copyable syntax.
Pricing & savings
See how much you save replacing multiple diagram apps.