in eCommerce platforms, you can have multiple images for each product on the product page. To upload these images in bulk, follow the steps below:

Prerequisites

• Import and Export Permissions: Ensure you have the necessary permissions to perform imports and exports.
  
  
• Developer Mode: You need to have access to Developer Mode to make these changes.
  
  

Turn on Developer Mode

• Select a product on your website.
  
  
• On the right editor, click to add extra images.
  
  
• A popup will appear. Upload all the photos you want to import here. It doesn’t matter if they are not directly related to the product; you will link them to the product later.
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• Once the images are uploaded, go to the Attachments model. You can find it by pressing Cmd + K (on Mac) or the equivalent shortcut for your system and typing "Attachments."
  
  
• In the Attachments section, filter the images by date created.
  
  
• In the list view, export the necessary information for your images.
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• Choose the Local URL option to download the list.

• Once downloaded, copy the URL from your database, all the way to the .com domain.
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• Now, take the URLs from the attachments and paste them into the corresponding column next to the image IDs you got from the attachment export. This will be your new image ID. be carefull to not have a double /
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• Identify the product.template ID for the product you want to attach the images to.
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• Assign the product template ID to the images in the file.

• Once everything is mapped, download the file with the assigned product template IDs and image URLs.
  
  
• Go to the Product Image Model on your platform.

• Create a menu to easily access this model from the website part.
  

• Once the menu is created, go to the section where you can import your file.

• Upload the file that you previously prepared with the image links and product template IDs.
  

• Check that everything is correct before proceeding with the import.
  
  
• After confirming, you can now import all the images in bulk.
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Use Media Manager + Manual Linking (No Code):

Upload All Images to Media Manager

• Go to Website → Configuration → Media Manager
• Click “Upload”, and select all 10+ images
• This saves your images in the Odoo backend

Add a Carousel Block on the Homepage

• Go to your Website → Edit mode
• Drag the Carousel block to the page

Replace Each Slide with Uploaded Images

• Click the gear ⚙️ icon on the carousel
• Click “Add Slide” until you have all 10+
• Click “Replace” → “Select” → “Media Library”
• Pick from your previously uploaded images

Save the Page