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Add images:
  • by using the image button in the editor toolbar
  • by dragging or pasting images into the editor
  • by typing / in the editor and selecting Image
  • by hovering over an existing element in your email and clicking the + plus icon on the left after selecting Image
Images must be under 4 MB in size. Add a link to an image by selecting the element and then clicking the + button in the Link editor panel on the right.

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Dynamic images

You can also insert images hosted outside of Loops into your emails. First, add a placeholder image to your email (which you can use to specify the location and size of the image) and then click + in the Dynamic source section in the right-hand panel.
Keep in mind that any images you insert must be publicly accessible and the URL must end with a supported image file extension for email (like .jpg or .png). Additionally, these images should be hosted for a period of time that is relevant to the email’s lifecycle as they will not be stored in Loops.
Paste in an image URL or add create dynamic URLs by clicking the icon on the right. For example, you could insert an imageUrl data variable in a transactional email, or use an avatarUrl custom contact property in a campaign. Adding a dynamic image You can also create dynamic URLs by combining text and dynamic content inside the image source field. Adding a dynamic image URL
The placeholder image in the editor will not update when you add a dynamic source. In order to test dynamic images, you can send preview emails.
Note that, just as with other dynamic content, if the contact or event property used for your dynamic image is missing, the email will not be sent.
Last modified on February 6, 2026