Write a process in plain language. Omachart generates an editable flowchart you can refine with AI, tweak by hand, and export to SVG, PNG, or Mermaid — in seconds.
“A user signs up, verifies their email, pays via Stripe, and gets access. If payment fails, go back to checkout.”
→ AI generates Mermaid → SVG render
From idea to diagram in seconds. No drag-and-drop tedium, no learning curve.
Describe your process in plain English. The AI understands context, branches, and conditions automatically.
Already have a diagram? Just describe what to change — “add a retry step”, “make it horizontal” — and watch it update.
Power users can toggle to the raw Mermaid syntax and edit nodes, edges, and styles with live preview.
Download as SVG for docs, PNG for slides, or .mmd for your repository. No watermarks, no sign-up.
Generation takes seconds. No waiting, no rendering queues. Your diagram appears the moment you click.
Open the app and start. No sign-up, no credit card, no tracking. Your prompts are processed and forgotten.
Anyone who needs to communicate how things work — from engineering specs to onboarding flows.
Turn “the API receives a request, validates the payload, queries the database, caches the result, and returns a response” into a shareable diagram.
Describe onboarding, checkout, or feature flows in plain language and get a visual your whole team can review.
Generate diagrams for lectures, documentation, or student assignments without spending hours in Visio.
Map approval chains, escalation procedures, or SOPs so everyone knows what happens next — without reading a 20-page document.
No training, no templates. Just describe what you need.
Write a few sentences about what happens — “users sign up, verify email, pay, get access”. Use examples if you need inspiration.
Omachart converts your description into Mermaid syntax and renders a clean, readable flowchart instantly.
Ask the AI to modify the diagram, edit the code directly, or export to SVG, PNG, or Mermaid for your docs.
Start free. Upgrade when you need API access, editable exports, and higher limits.
For individuals & casual use
For teams & power users
Everything you might want to know before you start.
No. Omachart is completely open — no sign-up, no login. Just open the app and start generating diagrams.
Yes — Omachart is free to use with unlimited diagram generation and exports to SVG, PNG, and .mmd. The Pro plan (29€/month) adds API access, editable PowerPoint exports, bulk generation, and priority support.
Your text is sent to our AI provider (OpenRouter) to generate the Mermaid syntax. We do not store your prompts, and there is no tracking or analytics on the app.
Absolutely. You can describe changes in natural language (“add a retry step after payment fails”) and the AI will update the diagram. You can also edit the raw Mermaid code directly.
SVG (vector, for documentation), PNG (raster, for presentations and slides), and .mmd (raw Mermaid source code for version control).
Yes. You own everything you generate. Use diagrams in presentations, documentation, marketing materials, or anywhere else — no attribution required.
No sign-up. No download. Just describe it and get your flowchart.