TikTok & Pinterest Ads Format Guidelines TikTok Ads Format GuidelinesSupported TikTok SizesTikTok Video Ads: 16:9, 1:1 or 9:16 ratio, 516 Kbps minimum bit rate Pinterest Ads Format GuidelinesSupported Pinterest SizesPinterest Image Ads: 2:3 ratio, 1000x1500 or higher resolutionPinterest Video Ads: 2:3, 1:1 or 9:16 ratio Articles in this section Facebook & Instagram Single Image Ads Format Guidelines Facebook & Instagram Video Ads Format Guidelines TikTok & Pinterest Ads Format Guidelines Chat with a support agent Monday to Friday 24/5 UTC Send a support email Monday to Friday 24/5 UTC