The custom thumbnail image you selected for your video ad doesn't meet format or dimension requirements, or it doesn't match the video's aspect ratio.
The custom thumbnail image you selected for your video ad doesn’t meet format or dimension requirements, or it doesn’t match the video’s aspect ratio.
Generate a new thumbnail that matches the video’s aspect ratio. TikTok can auto-generate thumbnails from video frames—use this as a fallback. If providing a custom thumbnail, ensure it’s JPG/PNG and matches the video dimensions.
The Automation Engine supercharges your TikTok Ad performance using conditional automation™ via signals like weather, daypart, Amazon item availability and more.