# Meta Video Ad Creative Specs Guide > Complete specifications for Facebook and Instagram video ads — Feed, Stories, Reels, and in-stream placements. ## Overview This guide covers Meta video ad specifications across Facebook and Instagram placements, including aspect ratios, file size limits, safe zones, and best practices. ## Feed Video Ads - **Aspect ratios:** 1:1 (recommended), 16:9, 4:5 - **Resolution:** 1440×1440 recommended - **File types:** MP4, MOV, GIF - **Max file size:** 4 GB - **Video length:** 1s–241 min (15s recommended) ## Stories Video Ads - **Aspect ratio:** 9:16 (full-screen vertical) - **Safe zones:** 14% top, 20% bottom margins for UI - **Best practice:** Capture attention in first 2–3 seconds ## Reels Video Ads - Short-form vertical video between organic Reels - 9:16 aspect ratio, mobile-first design - High-contrast text for small screens ## In-Stream Video Ads - Plays before, during, or after other video content - Designed for engaged video viewers ## Full Interactive Guide See the complete interactive specifications with placement tables at [/resources/guides/meta-ad-creative-video-specs-guide](/resources/guides/meta-ad-creative-video-specs-guide).