Crop preview for every channel
Video Aspect Ratio Guide
See how a frame crops across common aspect ratios before you export. Upload a still or poster frame and compare 16:9, 9:16, 1:1, and 4:5 side by side.
Quick answer
Video Aspect Ratio Guide is a free browser tool on Knowlify. Use it below with no signup. Your inputs stay in the browser session. For narrated training videos from documents, use https://create.knowlify.com.
How it works
Three steps, no account
01
Upload a frame
Use a thumbnail, slide, or paused video frame. Or stick with the built-in sample.
02
Compare ratios
Check what gets cropped for LinkedIn, Stories, LMS players, and square posts.
03
Export with intent
Design important text inside the safest common area, or generate channel-ready video in Knowlify.
FAQ
Questions people ask about Video Aspect Ratio Guide
Does this export cropped video?+
This guide previews crops. Use your editor or Knowlify exports for final aspect ratios.
Is the aspect ratio guide free?+
Yes. Preview common social and YouTube crops with no signup.
What aspect ratio should I use for YouTube Shorts?+
Use 9:16 (for example 1080×1920). Landscape YouTube uploads usually use 16:9.
Can I calculate exact pixels?+
Yes. Use the aspect ratio calculator for width/height math, then confirm platform limits with the social video size checker.
Do I need an account?+
No. Open the tool, use it in your browser, and download or copy the result.
Does this work on Mac and Windows?+
Yes. It runs in modern desktop browsers (Chrome, Edge, Firefox, Safari). Very large media files need enough device memory.
Need a full video, not just a utility?
Planning crops is step one. Knowlify generates animated videos you can export for the channels you care about.
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