---
schema_version: "1"
id: 6a3574de9cbeecacfdd2cccc8cbfaa2e2a73ee728fffc7f3035b57b685886045
title: Canvas App Previewer
collection: admin
version: current
locale: en-us
portal_url: https://docs.salesforce.com/admin/current/en-us/platform/264-0-0/canvas_app_previewer.md
canonical_url: https://help.salesforce.com/s/articleView?id=platform.canvas_app_previewer.htm&release=264.0.0&type=5
source_site: help.salesforce.com
content_type: documentation
content_hash: 1d481cacc7303f74964b9c5d2c2a1db27aa1a2edce199fad1fa57018e0f8ec28
description: Canvas App Previewer is a development tool that lets you see what your canvas apps will look like before you publish them.
products:
  - Salesforce Platform
release: "264"
---
# Canvas App Previewer

Canvas App Previewer is a development tool that lets you see what your canvas apps will look like before you publish them.

### Required Editions

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small edition"><colgroup><col></colgroup><tbody><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: both Salesforce Classic and Lightning Experience</td></tr><tr class=""><td class="slds-cell-wrap" style="vertical-align:top;">Available in: <strong>Enterprise</strong>, <strong>Performance</strong>, <strong>Unlimited</strong>, <strong>Professional Edition (with API and Lightning Platform Canvas enabled)</strong>, and <strong>Developer</strong> Editions</td></tr></tbody></table>

<table class="slds-table slds-table_bordered slds-max-medium-table_stacked slds-m-bottom_small permission">
      <colgroup>
        <col style="width:50%">
        <col style="width:50%">
      </colgroup>
      <thead class="slds-text-title_caps ">
        <tr class="">
          <th scope="colgroup" class="slds-cell-wrap" colspan="2" style="text-align:center;vertical-align:top;" id="d21150e79">User Permissions
            Needed</th>
        </tr>
      </thead>
      <tbody>
        <tr class="">
          <td data-label="User Permissions Needed" class="slds-cell-wrap" style="vertical-align:top;" headers="d21150e79 ">To see the previewer:</td>

          <td class="slds-cell-wrap" style="vertical-align:top;" headers="d21150e79 ">
            <p>Customize Application</p>
            <p>AND</p>
            <p style="margin-bottom:0;">Modify All
              Data</p>
          </td>

        </tr>
      </tbody>
    </table>

To view your canvas app, find Canvas App Previewer in the Quick Find box in Setup. Click your canvas app on the left-hand pane. The canvas app appears in the frame.

- **[Heroku Quick Start](https://help.salesforce.com/s/articleView?id=platform.canvas_app_previewer_heroku.htm&release=264.0.0&type=5)**  
    The Heroku Quick Start button gets you started by creating an app in Heroku and creating a corresponding canvas app in Salesforce.
- **[Field Operational Scope](https://help.salesforce.com/s/articleView?id=platform.field_operational_scope.htm&release=264.0.0&type=5)**  
    The fields displayed on the Fields Operational Scope page are referenced through the operational scope under these circumstances.
- **[Action Link Templates](https://help.salesforce.com/s/articleView?id=platform.action_link_group_template.htm&release=264.0.0&type=5)**  
    Create action link templates in Setup so that you can instantiate action link groups with common properties from Connect REST API or Apex. You can package templates and distribute them to other Salesforce orgs.
- **[Application Access Request](https://help.salesforce.com/s/articleView?id=platform.remoteaccess_request.htm&release=264.0.0&type=5)**  
    The external app you are using is requesting access to your Salesforce data. The external app has already been integrated into Salesforce by your admin.

#### See Also

- [External Client Apps](https://help.salesforce.com/s/articleView?id=xcloud.external_client_apps.htm&type=5&language=en_US)
- [Create an External Client App](https://help.salesforce.com/s/articleView?id=xcloud.create_a_local_external_client_app.htm&type=5&language=en_US)