Is 9:16 always required?

For full-screen short-form, yes. Feed placements may prefer 4:5 or square.

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Vertical aspect ratio guide

Creators often export the wrong ratio. Pick a destination, see the preview frame, and copy the ratio label before you cut clips in DownitX or another editor.

How to use

Select a platform / format.
Read the ratio and recommended use notes.
Match your export settings to the preview box.

What the tool does

Shows a live aspect-ratio preview and short guidance for common creator formats.

What the tool does not do

It does not resize or export video files.

Tips

9:16 wins for TikTok, Reels, and Shorts.
4:5 often performs better than 1:1 in Instagram feed.

FAQ

Is 9:16 always required?: For full-screen short-form, yes. Feed placements may prefer 4:5 or square.
Does this change my file?: No. It is a visual guide only.

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