Frequently Asked Questions
Quick answers about using Mermaid Drawing and policies
Is it free to use?
Completely free. No registration is required to use core features.
What diagram types are supported?
Supports Graph TD flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, Gantt charts, and pie charts.
How do I export PNG or SVG?
Click "Export" in the preview area and choose PNG or SVG to download.
Is my diagram uploaded to servers?
No. Diagram code is stored only in your browser local storage.
Is dark mode supported?
Yes. You can toggle the theme in the UI.
Is multi-language supported?
Supports Chinese, English, Russian, French, Thai and more.
Do you show ads?
We show ads via Google AdSense and only load them after you consent to cookies.
Do you track user behavior?
We use Google Analytics to analyze site usage, only after your cookie consent. See the Privacy Policy.
How can I contact you?
Visit the Contact page or email [email protected].