Image & Design Specs

In this article, you will find a list of the image/design specifications for all of our app pages. As a general rule, the maximum for all images is typically 810 pixels wide by 1200 pixels tall, but some sections have different limits, as you’ll see below.

Image Element

In the current version of your Woobox Design section, you can add Image Elements to any page of your campaign. The maximum file size you can upload to an Image Element is 1MB (1,000kb).


The maximum file size for Backgrounds in the Design section is also 1MB (1,000kb).


Updates have been made to Facebook share dialog. Here is what Facebook says about share images in their ‘best practices’ document:

“Use images that are at least 1200 x 630 pixels for the best display on high resolution devices. At the minimum, you should use images that are 600 x 315 pixels to display link page posts with larger images. Images can be up to 8MB in size.”

If your image is smaller than 600 x 315 px, it will still display in the link page post, but the size will be much smaller.

We’ve also redesigned link page posts so that the aspect ratio for images is the same across desktop and mobile News Feed. Try to keep your images as close to 1.91:1 aspect ratio as possible to display the full image in News Feed without any cropping.

The minimum image size is 200 x 200 pixels. If you try to use an image smaller than this you will see an error in the Sharing Debugger

The maximum specs for a share image in your Woobox offer are 810px by 1200px with 400KB file size.


Questions: Max: 355px wide, 1200px tall, 400kb
Answers: Recommended: 348px wide, 284px tall (Max: 810px wide, 1200px tall, 400kb)


The maximum file size for Poll Choice images in the Design section is 1MB (1,000kb).


Because they are square images, we suggest 300px x 300px or similar.

(To upload a photo instead of using solid colors, in your Bracket Settings, click on the color and choose “image”)


While 810 pixels is the maximum width of the Facebook display, you can definitely have larger widths – but we do not suggest adjusting it wider if you are installing it as a Facebook Page Tab (the Facebook tab is only 810 px wide).

To adjust the width limits, go into the Design section of your offer. On the left sidebar click the “Painter’s Palette” icon, then select Layout and choose from the content width options in the dropdown (Default, Large, or Full-Width).

Design section - layout - content width

Updated on October 15, 2021

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