# ImageBitmap > **NOTE** > > This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version. An **ImageBitmap** object stores pixel data rendered on a canvas. ## Attributes | Name | Type | Description | | -------- | -------- | -------- | | width | number | Actual width of the rectangle on the canvas, in pixels. | | height | number | Actual height of the rectangle on the canvas, in pixels. |