9:16 Auto-Zoom Editor with AI Captions
Upload a video. We auto-track the subject, generate burned-in captions, and export a 1080×1920 vertical cut ready for TikTok, Reels and Shorts. Pay per use — no subscription.
How it works
From a horizontal clip to a caption-ready 9:16 export in three steps.
- STEP 1
Upload
Drop a video up to ~15 minutes. MP4, MOV and most common formats.
- STEP 2
Auto-zoom & caption
We track the subject, frame a clean 9:16 crop and burn in AI captions.
- STEP 3
Export 1080×1920
Download a vertical cut ready for TikTok, Reels and Shorts. 1 credit ≈ 1 minute.
Credit packs
1 credit ≈ 1 minute of auto-caption generation. Credits never expire.
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Best valueFrequently asked
How is pricing calculated?
You buy credits up-front. 1 credit ≈ 1 minute of caption generation. Credits never expire. No subscription, no auto-renew.
What video formats are supported?
Most common containers (MP4, MOV, WebM) and codecs. Export is always H.264 1080×1920 MP4.
Do you store my video?
Source uploads and exports are kept only long enough to process and let you download. See the privacy notice for retention details.
Can I get a refund?
Yes — unused credits are refundable within 14 days of purchase. See the refund policy for the full terms.
Who's behind SixteenCut?
Adam Poulter, a sole trader based in Felixstowe, UK. Payments are handled by Paddle.com as Merchant of Record.