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Power Platform Community / Forums / Power Apps / Cancas App: It takes t...
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Cancas App: It takes too much time to show 4MB image. How can I make it faster?

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Posted on by 264

Hi, guys!

I have two questions about showing images in canvas app.

Image is placed in SharePoint. My app takes it from PowerAutomate.

 

In the app onClick

UpdateContext({CurrentImage: GetImagefromSharePoint.Run(ThisItem.file&"."&ThisItem.Ext).img64});

 

Image property

"data:"&ThisItem.mimeType&";base64,"&CurrentImage

 

1. If filesize is 15kb - it takes 3 sec to show the image in the app. PowerAutomate takes 1-2 sec to get the image and transfer it to app.

if filesize is 4MB - it takes 15 sec to show it. PowerAutomate takes 3-5 sec to get the image and transfer it to app.

 

If I click on the file directly in SharePoint - it takes 2 sec to show 4MB image. Is there a way to make the showing faster? 15 sec is too much.

 

2. As typed above I use  "data:"&ThisItem.mimeType&";base64,"&CurrentImage, is it a correct way to show image? Is it possible to  skip using mimeType?

 

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  • BCBuizer Profile Picture
    22,854 Super User 2026 Season 2 on at

    Hi @Max77 ,

     

    Can you explain a little bit about your use case? What is the reason you are using Power Automate to retrieve an image?

  • Max77 Profile Picture
    264 on at

    @BCBuizer . Model Driven App:  I use Canvas Page to show the list of images.

    List of images is dataverse table "File". This table contains field (primary Image, thumbnail). 

    So I can show some info and thumbnail in a Gallery. It works and no issue.

    I'd like to see the good quality image on click on Gallery Item. So I placed images in SharePoint (it's not a good way to store big files in Dataverse).

     

    'On Click' I get full resolution Image from PowerAutomate. PA gets it from SharePoint.

  • BCBuizer Profile Picture
    22,854 Super User 2026 Season 2 on at

    HI @Max77 ,

     

    Understood, but unfortunately I can't help with that.

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