---
title: "Use the Wizard canvas"
slug: "use-the-canvas"
updated: 2026-08-17T12:48:13Z
published: 2026-08-19T08:44:05Z
canonical: "docs.grassfish.com/use-the-canvas"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.grassfish.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Use the Wizard canvas

The HTML Wizard canvas shows the elements of a spot and a preview.

You can use the following options on the canvas:

| **Option** | **Description** |
| --- | --- |
| **Start preview** | Start a spot preview to test it. |
| **Preview size** | Set the canvas size by using the slider or entering the size in percent. |
| **Open configuration** | Edit configurations like [object snap](/grassfish/docs/crop-images). |
| **Action preview** | Start the spot preview in full HTML Wizard window mode. |
| **Fit to canvas** | Change the size of the canvas to the size of the HTML Wizard window. |

![](https://cdn.document360.io/e2b87f73-d9f5-43cb-8182-2641762664fd/Images/Documentation/use-the-canvas-image-58xamhn5.png?sv=2026-02-06&spr=https&st=2026-11-06T20%3A17%3A48Z&se=2026-11-06T21%3A17%3A48Z&sr=c&sp=r&sig=OQINbq0X39zCC83jlRuLoQ4eOM3PoAj9%2B4umoFQTDVg%3D)