Changing Video Aspect Ratios in Submagic

Overview

Submagic.co offers a versatile video aspect ratio feature that lets you preview and adjust your video dimensions before finalizing. Choose from multiple preset ratios (9:16, 16:9, 1:1, 4:5) located conveniently under the video preview player to optimize your content for different platforms and social media requirements.

How to Change Aspect Ratio in Submagic

Upload or select your video in the Submagic editor
Find the aspect ratio selector directly beneath the video preview player
Click on your preferred ratio (9:16, 16:9, 1:1, or 4:5)
The preview will update instantly to display your video in the new format

Available Aspect Ratios

9:16 - Vertical format perfect for Instagram/Facebook Stories, TikTok, and Reels
16:9 - Standard landscape format ideal for YouTube and traditional video platforms
1:1 - Square format optimized for Instagram and Facebook feed posts
4:5 - Vertical rectangle designed for maximum Instagram feed visibility

Notes

Submagic automatically handles cropping when changing aspect ratios
You can reposition your content within the frame using the preview window
All Submagic video quality settings are preserved regardless of aspect ratio
Your selected ratio will be applied to the final exported video

Updated on: 14/05/2025