Aspect Ratio Optimization

Instantly adapt content for YouTube (16:9), Instagram square (1:1), and other platforms.

Last updated: July 15, 2025

How to Resize a Video, an Image, or a PDF

Instantly adapt your videos, images, and PDFs to platforms like YouTube and Instagram using preset popular aspect ratios - without cropping videos or quality loss. Apply it to all media files to maintain consistent styling across videos, images, and PDFs.

Resize a Video, an Image, or a PDF

Change aspect ratio for single or multiple files in one click:

  1. Upload your file(s).

  2. At the top of the editing page, select an aspect ratio: 16:9, 9:16, 1:1, or 4:3.

  3. In the Canvas tool of the left sidebar, click Apply to all scenes to implement it across all media.

Change Aspect Ratio