Our Editor team's most common reason to ask you to downsize an image or video is there is a concern about the quality, such as soft focus or excessive noise. You don't notice these issues as much at the thumbnail size, and downsizing follows the same principle: smaller resolutions can make certain issues less of a problem for clients when they use your content at full size.
How do I downsize a photo?
Depending on your editing software, you will either edit your image's size before saving (i.e. Photoshop) or change your settings during export (i.e. Lightroom). Make sure you maintain the same proportions.
How do I downsize a video?
On the Deliver page, choose a standard resolution that's smaller than your original clip dimensions. You can choose a standard resolution size or enter a custom one. For instance, if your clip was originally 3840 x 2160 (4K UHD), choose 1920 x 1080 (HD) from the Resolution option box:
While in the Export Settings, you can change the video resolution in the Basic Video Settings section to the desired dimensions:
How will I know how small to make the photo or video?
Your editor may have recommended a new size when the image was sent back. If no size was recommended, view your content at 100% zoom, then reduce the size until the image's focal point looks sharp or the issues are not noticeable.