Save, manage, and version your Mermaid diagram code directly in your browser.
Users
9
−1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#199K
#167K among extensions
Version
1.0.2
updated 9 Apr 2026
Users
monthly, 8 months
Latest, 16 Oct 2026:9 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 16 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Mermaid Memory Card
Mermaid Memory Card helps you save, organize, and version your Mermaid diagrams without leaving your browser.
⚠️ The extension only works in the public and free-to-use editor (mermaid.ai/live). For use with your logged-in account, subscribe to the paid version of Mermaid.
ABOUT
With the extension, you can quickly capture the code from Mermaid Play, automatically identify the diagram type, and maintain a version history to safely evolve your flows.
Ideal for developers, analysts, and technical teams who document processes with Mermaid, the extension offers a simple and practical experience for managing diagrams on a daily basis:
- Quick saving of Mermaid diagrams
- Automatic recognition of the current diagram in Mermaid Play
- Version history with date and time
- Search and filter by type to easily locate diagrams
- One-click version copying
- Your data is stored locally in the browser, keeping your content under your control.