Go from messy thought to a polished canvas in one fluid move.

The easiest AI diagram tool available — just describe what you need in plain language and get a production-ready diagram in seconds. No syntax, no drag-and-drop, no learning curve.

Open the studio

You

"ERD for a university — students, courses, professors, and enrollments"

You

"Class diagram for a zoo — animals, enclosures, keepers, and a zoo object"

You

"Sequence diagram for a burger order — from customer through POS to kitchen and grill"

Supported outputs

Six ways to turn a sentence into structure

Name the diagram style or just describe what you need — ChartCraft reads your language and picks the right layout automatically. Every type uses the same canvas with full chat-driven editing and one-click export.

"Sequence diagram for checkout" "ERD: users, orders, payments" "BPMN swimlanes for support"

Flowchart & architecture Decisions, pipelines, and layered system maps. Group nodes into regions to show boundaries between services, teams, or zones — ideal for architecture reviews and technical documentation.
Sequence Timed interactions between actors and systems on parallel lifelines. Supports synchronous calls, async messages, return arrows, and self-calls — ideal for API flows, authentication, and event-driven systems.
ERD Database schemas with entities, typed columns, primary and foreign keys, and cardinality labels. Describe your tables in plain language and get a properly laid-out entity-relationship diagram in seconds.
Class / UML Object-oriented models with classes, interfaces, attributes, and methods. Relationships — inheritance, composition, and aggregation — are drawn automatically with correct UML notation from your description.
State machine States, transitions, and guard labels for protocols, auth flows, order lifecycles, and UI behaviour. Start and end nodes are placed automatically so the diagram reads as cleanly as the system it represents.
BPMN Business process diagrams with swimlane pools, tasks, exclusive and parallel gateways, and start/end events. The right format when a process crosses teams or systems and handoffs need to be unambiguous.

How it works

Three steps from thought
to polished diagram.

Describe in plain language

Type what you need in plain English. No symbols, no drag-and-drop, and no DSL to memorize. The model understands intent, not keywords.

Instant structured diagram

Get a clean, properly structured diagram in seconds. Automatic layout, correct connections, production-quality output — ready to export immediately.

Iterate in conversation

Ask for changes in natural language. Rename nodes, restructure flows, switch diagram types — the AI holds full context and refines exactly what you ask.

Who it is for

Built for people who think in structure.

Founders & Leaders

Turn strategic thinking into clear visual artifacts. Architecture reviews, roadmaps, decision trees — without waiting on a design handoff.

Engineers & Architects

Document systems as fast as you build them. System diagrams, ERDs, sequence flows — from intent to polished visual in seconds.

Product & Design Teams

Map user flows, feature trees, and process diagrams without leaving thinking mode. No tools to learn, no files to manage.

Latest examples

Real diagrams, built with ChartCraft.

Every saved diagram gets its own shareable page with a live interactive view.

Browse all examples

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Create a diagram in the studio and it will appear here.