Create diagrams in Confluence
Diagrams turn abstract processes into something the whole team can see. Learn how to create them in Confluence — and the apps that make it effortless.
Why this matters in Confluence
Teams that keep their processes, architectures, and decisions in diagrams onboard faster, argue less, and avoid the "what did we actually agree?" meeting. Confluence is where that knowledge lives — but its built-in editor cannot draw. The result is that most teams resort to pasting screenshots of diagrams from external tools, which decay the moment anything changes and break the moment someone needs to update them.
Text is the wrong shape for structure
A 3-level approval flow or a system architecture loses meaning as a bulleted list. Readers have to reconstruct the relationships in their heads, and two people will reconstruct them differently. A diagram shows the structure at a glance — nodes, edges, and direction — which is why it becomes the canonical reference the team points to in every discussion.
External tools go stale
The most common diagram workflow in Confluence is: draw it in Visio, Lucid, or draw.io, export a PNG, paste it onto the page. That PNG rots the moment a single box changes. Six months later no one is sure whether the picture or the text is right, so the diagram gets quietly ignored. A diagram that lives inside the page — and is re-editable in place — stays honest because updating it is one click, not a re-export cycle.
Native Confluence cannot draw
Out of the box, Confluence has no diagramming. There is no flowchart builder, no sequence diagram renderer, no ER tool. Teams improvise with embedded images, third-party whiteboard links, or ASCII art, all of which break search indexing, PDF export, page permissions, and accessibility. A diagramming macro solves all four because the output is native page content.
Search, export, and permissions matter
A diagram stored as a PNG is invisible to Confluence search — the text inside it is not indexed. An external whiteboard link does not respect page permissions, so confidential architecture diagrams leak to anyone with the URL. Diagrams rendered as native content are indexed, exported to PDF and Word, and governed by the same permissions as the rest of the page.
Different audiences need different diagram styles
Engineering teams want precise, text-based diagrams they can diff in version control. Product and design teams want freehand canvases they can sketch on during a call. A good diagramming setup offers both, because forcing one style on the other audience produces diagrams nobody maintains.
The approach that works
The approach is the same whichever tool you choose: pick the right diagram type for the question being asked, decide between precise text-based and exploratory freehand, keep the diagram inside the page so it does not rot, and make sure the next person can edit it. The steps below walk through each decision.
- 1
Match the diagram type to the question
Flowcharts answer "what happens next?" — process, decision logic, and branching paths. Sequence diagrams answer "how do these components talk?" — request/response, timing, and ordering. ER diagrams answer "what data do we have and how is it related?" — tables, keys, and cardinality. Gantt charts answer "when does each piece happen?" — timelines and dependencies. Class and state diagrams answer "what are the entities and what states can they be in?". Choosing the wrong type forces the reader to extract the wrong information, so name the question first.
- 2
Decide between text-based and freehand
Text-based diagramming (Mermaid, Graphviz) means you write a few lines of code and the tool renders the layout. It is precise, version-controllable, reviewable in a pull request, and trivial to update — change one line and the whole diagram redraws. Freehand canvas diagramming (Excalidraw-style) means you drag boxes and draw arrows by hand. It is faster for brainstorming, early architecture sketches, and wireframes where the layout itself carries meaning. The rule of thumb: if the diagram will be maintained by engineers and reviewed in code, go text-based; if it will be drawn live in a meeting and refined by hand, go freehand.
- 3
Keep the diagram inside the page
A diagram embedded as a macro inside the Confluence page — not a screenshot, not an external link — is searchable, exportable, and respects page permissions. It also means the diagram and the prose that explains it live together, so they stay in sync. If the diagram lives in another tool, the page and the picture drift apart within weeks.
- 4
Make it re-editable, not re-drawable
The single biggest predictor of whether a diagram stays accurate is whether the next editor can modify the source or has to start over. If updating a flowchart means re-drawing it from scratch, nobody will, and the diagram becomes wrong. Choose a tool that preserves the source — Mermaid text, Excalidraw scene data, Graphviz DOT — so the next change is an edit, not a rewrite.
- 5
Use templates so nobody starts from blank
Starting a diagram from an empty canvas is the slowest possible workflow. Good diagramming tools ship templates for every common type — a flowchart with decision branches, a sequence diagram with three actors, an ER diagram with two related tables. Start from the closest template, modify it, and ship.
- 6
Standardize on a small palette
Aim for at most three diagram types across a space so readers learn the visual vocabulary. A space that mixes flowcharts, BPMN, UML, and ad-hoc arrows in random colors becomes noise. Pick a primary type for process, one for data, and one for sketching, and apply them consistently.
This solution is for you if…
- Engineering and architecture teams documenting systems, data models, and component interactions
- Product and operations teams explaining processes, decision flows, and approval chains
- Designers sketching wireframes and user flows without leaving the wiki
- Project managers laying out timelines, dependencies, and sprint scope
- Anyone who needs flowcharts, ER models, sequence diagrams, or whiteboards inside Confluence
Our apps that solve this
Every app is free for up to 10 users on the Atlassian Marketplace. Pick the one that fits your workflow, or combine them.
ConfluenceMermaid Plus for Confluence
Mermaid diagrams in Confluence — flowcharts, UML, Gantt, ER, C4 and 29 types with live preview, 29 templates and dark mode
ConfluenceExcalidraw Plus for Confluence
Excalidraw whiteboards and Mermaid diagrams inside Confluence, powered by 220+ reusable libraries
ConfluenceGraphviz Charts for Confluence
Visualize Ideas Instantly: Secure, Customizable Graphviz Charts for Confluence with Blazing Speed & Full Data Control
Read the guides
Frequently asked questions
No. Confluence has no built-in diagramming — there is no flowchart builder, no sequence diagram renderer, and no ER tool. To render diagrams inside pages you install a Marketplace app. Once installed, any user can insert a diagram by typing the macro shortcut (for example /mermaid) in the editor.
Why teams choose NGPILOT
Free for up to 10 users
Every app is free for small teams, with the full trial Atlassian provides for larger ones.
Native Forge apps
Built on Atlassian Forge, running entirely on Atlassian Cloud infrastructure.
Your data stays in your instance
No content is sent to our servers — processing happens inside your Confluence or Jira.
Verified Marketplace vendor
NGPILOT apps are listed, reviewed, and maintained on the Atlassian Marketplace.
Ready to try it?
Every app is free for up to 10 users. Install in a couple of clicks.