How to Resize Videos for Social Media

How to Resize Videos for Social Media

Different platforms require different aspect ratios. Here's how to resize your videos correctly.

Aspect Ratios by Platform

TikTok

• Aspect ratio: 9:16 (vertical)
• Resolution: 1080x1920
• Safe zone: Keep text away from edges

Instagram Reels

• Aspect ratio: 9:16 (vertical)
• Resolution: 1080x1920
• Safe zone: Avoid bottom 20% (UI overlap)

YouTube Shorts

• Aspect ratio: 9:16 (vertical)
• Resolution: 1080x1920
• Max length: 60 seconds

YouTube (Regular)

• Aspect ratio: 16:9 (horizontal)
• Resolution: 1920x1080 or 3840x2160
• Standard video format

Instagram Feed

• Aspect ratio: 1:1 (square) or 4:5
• Resolution: 1080x1080 or 1080x1350
• 4:5 takes up more screen space

LinkedIn

• Aspect ratio: 1:1 or 16:9
• Resolution: 1080x1080 or 1920x1080
• Square performs better in feed

Methods to Resize Videos

1. Crop and Zoom (Manual)

• Open in video editor
• Change canvas size
• Manually position content
• Cons: Loses content, time-consuming

2. Add Letterboxing/Pillarboxing

• Keep original video
• Add black bars to fill space
• Cons: Wastes screen space, looks unprofessional

3. AI Auto-Reframe (Best)

• AI tracks faces and objects
• Automatically repositions content
• Keeps important elements visible
• Pros: Fast, smart, professional

Using AI to Resize Videos

Atomiser's AI auto-reframe:

1. Upload horizontal video
2. AI detects faces and key elements
3. Automatically reframes for vertical
4. Preview and adjust if needed
5. Export ready for posting

Pro Tips

1. Plan ahead - If possible, record with multiple formats in mind
2. Keep subjects centered - Easier to reframe
3. Avoid edge content - Text and graphics at edges may be cropped
4. Test on mobile - Always preview on phone before posting