Aspect ratios and video resolutions
Short answer
Ratios and resolutions, and why platforms crop video.
10 articles
- Start hereGuide
Aspect Ratio Calculator: Find a Ratio and Platform Sizes
Find any aspect ratio, solve a missing side, and get the pixel size each platform expects. Worked math and a free calculator included.
- Start hereGuide
9:16, 4:5 or 1:1: which aspect ratio actually performs
How much screen each video aspect ratio claims, where each one gets cropped, and how to shoot once so it works for all of them.
- Fix
Instagram Story zoomed in or cropped? Why, and the 1080×1920 fix
Stories fill a 9:16 screen: other shapes get zoomed, tall phones trim the sides and buttons cover the edges. Exact safe-area pixels and fixes.
- Fix
Why your video does not fill the screen on mobile
Not filling the screen is a platform choice between zooming and letterboxing. Meta and LinkedIn both document it. Export 1080 × 1920 and design for both.
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Why are my YouTube Shorts zoomed in? Shape, tall phones, buttons
Shorts zoom when the video isn't 9:16, when tall phones fill the height, or when buttons cover the edges. Exact Shorts safe-area pixels and crop numbers.
- Fix
Why is Facebook cropping or zooming my reel? Fixes and safe area
Every Facebook video is now a reel, shown full-screen at 9:16. Other shapes get fitted, tall phones trim the sides, buttons cover the edges. Safe-area pixels.
- Fix
Why is Instagram cropping my photos? Ratios and fixes
Instagram crops photos outside 1.91:1 to 3:4 and shows profile thumbnails at 3:4. Exact sizes that post uncropped, the in-app fix, and carousel rules.
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Why is Instagram cropping my Reel? 5 causes and fixes
Reels accept 1.91:1 to 9:16. Outside that, Instagram scales or crops. Also: the cover cannot be edited after upload, and taller screens zoom.
- Fix
Why is TikTok cropping my video? Size, zoom, safe area and length
TikTok fits every post into a 9:16 frame. Why yours is zoomed, trimmed or covered, the safe-area pixels, crop commands, and what to do if it cuts it short.
- Fix
Video cropped unexpectedly: file or player?
A crop can be in your export, added by the player, or an illusion from the interface covering content. Test the file first, then match the ratio.