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How do I find the file size and dimensions for images?

Create Image Gallery Updated on February 26, 2019

In order to check the size and dimensions of an image on your computer or on a webpage, follow these steps:

On a webpage:

  1. Hold your mouse cursor over the desired image.
  2. Right-click the image.
  3. Select View Image Info for Mozilla Firefox users or View Properties for Internet Explorer users. If you are using other browsers, you will have to save the image in your documents to be able to see the size.
On your computer:
  1. Open the folder or file location where the image is saved.
  2. Right-click the image.
  3. Select Get Info (Mac) or Properties (Windows). For Windows users, you also need to click on either the Details or Summary tab for the information. The tab will depend on your operating system.


Benchmark Email limits individual images in your image gallery to a size of 500 KB, with a recommendation of no more than 200 KB. Our recommendation is due to larger images taking more time to fully load in a subscriber’s email. Keeping the image to 200 KB or smaller will allow for faster loading of your campaign.

The width of your image should be no more than 600 pixels. We do not limit the height of your image. However, the same rule applies regarding larger images.

Any images larger than 5MB will not be accepted.


Free users can upgrade their image hosting for $5 a month without having to upgrade to a paid plan. To learn how to upgrade your image hosting click here.

If you have any questions your Image Gallery or an image please feel free to contact our support team via Email, LiveChat or Phone.

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