Portrait AI for YouTube Shorts

Reframe Video for YouTube Shorts

YouTube Shorts is YouTube's fastest-growing content format, with over 70 billion daily views. For creators with existing landscape YouTube content, converting clips to Shorts format is the fastest way to reach new audiences. YouTube's algorithm treats Shorts as a separate discovery surface — your converted clips can reach viewers who've never seen your channel.

Convert for YouTube Shorts

Why YouTube Shorts Needs Portrait Video

YouTube Shorts requires strict 9:16 vertical format. Videos that aren't natively vertical won't be classified as Shorts by YouTube's algorithm and won't appear in the Shorts shelf or Shorts feed. Converting your landscape content to proper 9:16 ensures it gets full Shorts distribution — a completely separate recommendation algorithm from regular YouTube videos.

YouTube Shorts Video Specs

resolution

1080 x 1920

aspect Ratio

9:16

max Duration

60 seconds

max File Size

256 MB

codec

H.264 or H.265

How to Convert Landscape Video for YouTube Shorts

  1. 1

    Upload any landscape video — 16:9 format, MP4/MOV/MKV, up to 5 minutes

  2. 2

    Portrait AI tracks subjects and action across the frame

  3. 3

    Get a smooth, professional 9:16 crop — no jarring jumps or lost action

  4. 4

    Download and upload directly to YouTube as a Short (keep it under 60 seconds)

Tips for YouTube Shorts Portrait Video

  • *YouTube Shorts must be 60 seconds or under — trim your best moment before or after converting
  • *The title and first frame are crucial — YouTube's algorithm uses them for recommendation
  • *Add #Shorts to your title or description to ensure YouTube classifies it correctly
  • *Repurpose your best-performing long-form videos — those moments already have proven engagement
  • *Shorts can drive subscribers to your main channel — add a subscribe prompt in the last 2 seconds

Frequently Asked Questions

What's the maximum length for YouTube Shorts?

60 seconds maximum. Videos longer than 60 seconds won't be classified as Shorts, even if they're vertical.

Can I repurpose my existing YouTube videos as Shorts?

Yes — download your landscape YouTube video, upload it to Portrait AI, and the AI will reframe the best moments into 9:16 format ready for Shorts.

Does YouTube prefer H.264 or H.265?

YouTube accepts both, but H.264 is the safest choice for maximum compatibility. Portrait AI exports in H.264 by default.

Ready to Convert for YouTube Shorts?

Upload your landscape video and get a YouTube Shorts-ready portrait version in under 2 minutes. AI handles the framing — no editing skills needed.

Start Converting Free