Exportall products or specific products for which you want to replace the images.
View the downloaded CSV file. The CSV file appears like this:
Go to the image1 column of the product for which you want to replace the images. Provide the new URL of the image. Then enter the caption of the image in the image1_caption column and tags for the image in image1_tags. For example; you can replace the image by replacing the URL of the image "http://cdn.storehippo.com/s/593cd26.jpg" with "http://cdn.storehippo.com/s/500cd20.jpg".
If you want to replace more such images, replace image URL at fields such as image2, image3 and so on in the header column.
When you have replaced all required images,importthe CSV file in the Products section of the admin panel. The images will be updated in the admin panel and storefront.
You can check the status of the imported CSV file by clicking on the notification icon or inImport logs.
The product will now appear on Storefront as shown below: