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Phone screen recordings and tall captures often ship as 9:18 or 9:19.5 — not true 9:16. Fit to Aspect or Vertical Video Converter reframes to 1080×1920 so Shorts/Reels do not crop your captions.
Updated
Tools in this guide
A 9:19.5 master is taller than 9:16. Platforms crop toward their feed frame and can remove caption lines you placed near the bottom. Converting to true 9:16 before upload makes the crop predictable.
Fit to Aspect center crop fills 9:16. Fit to Aspect letterbox keeps the full phone frame with bars. Vertical Video Converter blur-pad keeps the full frame with soft sides/edges. Landscape → 9:16 guide covers wide masters; this spoke covers tall phone ratios.
If readiness still fails loudness or length, run Shorts or Reels/TikTok pack so ≈ −11 LUFS and 15–90s move with the canvas. If only aspect failed, Fit to Aspect or Vertical Video Converter alone finishes the job.
After true 9:16, pad edges with Safe Zone Margin or Caption Safe Margins (40–200px) so TikTok/Reels chrome does not cover hooks. Specs: safe zones for Shorts and Reels UI chrome.
FAQ
Many phones capture near full-screen ratios such as 9:18 or 9:19.5 that match the device display, not the 1080×1920 Shorts/Reels canvas. Uploaders then crop or pad unpredictably and can clip captions you thought were safe.
Upload to Fit to Aspect set to 9:16 (center crop or black letterbox) or Vertical Video Converter (blur-pad). Then escalate to Shorts or Reels pack when you also need ≈ −11 LUFS and a 15–90s trim.
Center crop when the subject sits in the middle and you want full-bleed 9:16. Letterbox when cutting top/bottom would lose captions. Blur-pad when you want soft fill instead of black bars. None of these AI-track faces.
UI chrome still covers edges. After you land on 1080×1920, use Safe Zone Margin or Caption Safe Margins so burned text clears buttons. See the safe zones guide.
No. Rotate / Fix Orientation corrects 90/180/270. Phone → true 9:16 reframes an already-upright tall capture into the Shorts canvas.
Keep reading
Open Fit to Aspect and run the steps from this guide.