Personalized images

Tailor every email to each individual subscriber and create 1-to-1 customer experiences with personalized images. For example, celebrate a subscriber's birthday or a special milestone by including an image personalized to that subscriber!

Personalized images are located in the Personalize section of the Litmus platform. From the Personalize tab, select Personalized images on the left side. Here, you can create a new image and find any images you've already created.

Create a personalized image

In the Personalized images section of the Personalize tab, select New image in the upper right corner.

personalized images section of personalize tab with new image button indicated

Select an image template from the options provided, or select the blank template to use your own background image.

personalized image template options

Select the text to edit your message and add your merge tag placeholder. The merge tag itself will be added to the code later, so simply add a placeholder between the {{ }} to power your merge tag preview on the next screen. Also on the right side, you can customize the font, size, color, and position of the text. You can add multiple merge tag placeholders using the Add dynamic text function.

personalized image template editor with text editor displayed

If you are using a custom image rather than one of our pre-made templates, select the image and then Upload background image on the right to add a custom image. Personalized image templates support backgrounds up to 1200x1200 or 1MB.

For background images, we recommend using PNG files rather than JPEGs. JPEG files require additional image conversion which may result in the file size limit being exceeded even for files that are uploaded below the size limit.

NOTE: Looking for more customization options? Reach out to discuss how the full suite of Litmus Personalize tools can help!

When you are ready, select Next: Preview your image. Enter a value for your merge tags to test the image's appearance when those tags are populated with data. These are placeholder values and won’t affect your code!

personalized image preview with placeholder value entered

If your image is set up and ready, select Next: Save and get HTML to generate your tag! You can copy the tag using the button below the text box, and your new image will appear in the Personalized images section of the Personalize tab in your account.

personalized image with tag ready to copy

Make sure to add your merge tags to this code in your ESP to ensure the subscriber's unique values appear!

Add a personalized image to your email

To add a timer to your email, simply copy the HTML tag for your image and replace MERGE_YOUR_VALUE with the relevant merge tags from your ESP. You can then add the completed tag directly to your email's code. You can quickly copy the tag by hovering over the image's thumbnail and selecting Copy HTML.

If you've set up your ESP merge tags in your account, you can quickly add those merge tags with the Insert>Merge tag functionality in Litmus Builder. You can then preview your personalization again using the Personalization tab in Builder.

NOTE: Adding ESP merge tags and previewing personalization are features available with Litmus Enterprise subscriptions.

You can also add the image with Visual Editor in Litmus Builder using the image link from the HTML code rather than the entire tag. Copy the image link, add your merge tag, and use Visual Editor to replace a placeholder image with your personalized image.

personalized image tag with image link hightlighted

Impression usage

A personalized image is a single image, so any time one is loaded this will count as one impression.

NOTE: Impressions usage limits vary based on your subscription. Learn more about usage limits and how impressions are counted to make sure you understand how your tag will impact your usage!


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