M Chart Pro
M Chart Pro is a paid add-on plugin that extends M Chart with three additional features for sourcing, annotating, and theming charts.
Features
- External Data Sources — Pull chart data from a CSV URL or Google Sheets
- Annotations — Overlay Chart.js annotations (lines, boxes, labels) on charts
- Theme Builder — Visual editor for creating and editing reusable Chart.js themes
Getting Pro
The free M Chart plugin adds an Upgrade link under the Charts admin menu — click it to reach the pricing screen and purchase a license. Once you're licensed, the same menu shows an Account link for managing your subscription and provides directions for downloading and installing M Chart Pro.
You can also learn more and purchase a license on the M Chart website: