Can I still use the open-source library?

Yes, Mermaid.js is free and open-source regardless of the Chart subscription.

Do I keep my diagrams?

You keep read access but cannot create new ones on the free plan.

from $0.00/month

(≈ CZK 0.00)

Easy

Estimated Time:3 minutes

Cancel Method:Website

Go to Account then Billing

Click Cancel Plan

Confirm cancellation to revert to the free tier

Mermaid Chart may offer an extended trial.

ClickUp

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