Free. No Account Required.
Every feature, free forever. No credit card, no signup.
Current plan
Free Forever
Everything you need. Nothing locked behind a paywall.
$0 / forever
Start Drawing — It's Free
- ✓ Unlimited diagrams in editor
- ✓ All Mermaid diagram types
- ✓ 7 beautiful themes
- ✓ Layout spacing controls
- ✓ PNG & SVG export
- ✓ Anonymous share links
- ✓ Links expire after 180 days
Frequently Asked Questions
Do I need an account to use MermanDraw?
No. The editor and anonymous sharing are completely free with no account required.
When do shared links expire?
Free links expire 180 days after the last view. Links that are actively shared stay alive automatically.
What Mermaid diagram types are supported?
All standard types: flowcharts, sequence diagrams, class diagrams, ERDs, Gantt charts, pie charts, and more.
Will MermanDraw stay free?
Yes. The editor, themes, export, and share links are free with no account. The site is supported by unobtrusive ads and optional donations, not by locking features.