WBML

WBML is the portable JSON document format for Whiteboard.

Current shape:

• version
• title
• viewport
  • width
  • height
  • zoom
• nodes

Current node types:

• frame
• rectangle
• ellipse
• text
• image
• group

Current limits:

• max document payload: 10 MB
• max single embedded asset: 4 MB

The canonical file extension is:

• .wb.json

WBML is the format used for:

• local import/export
• server document persistence
• MCP document reads and writes

Current node styling fields include:

• fill
• stroke
• strokeWidth
• opacity