Guidelines for images and GIFs in your text message marketing
Static images should be in JPG format, while animated images should be in GIF format.
Dimensions
JPG
JPG is supported by most devices and renders the fastest. Keep the most important content in the middle of the image. Use a tall image with a 9:16 aspect ratio and no transparency:
640 x 1138px (W x H)
1080 x 1920px
Animated GIF
Use a square or tall image with the following dimensions, with no transparency:
480 x 480 px (recommended)
640 x 640 px
480 x 640 px
480 x 720 px
Image size
All images must be 500KB or less
Tips to reduce file size of animated GIFs
Use cuts instead of fades - abrupt cuts can reduce file sizes by 50%
Reduce the number of frames per second
Use a color overlay - this reduces the number of colors used
When using Photoshop, consider exporting with settings similar to these:
