What does YouTube Aspect Ratio Checker do?
Upload a local video or image to identify its dimensions, decimal ratio, orientation, and nearest common creator layout. Tubelexity recognizes 16:9, 9:16, 1:1, and 4:5 within a small tolerance, explains likely use, and links directly to the correct video or image resizing workflow without re-encoding the file.
How to use YouTube Aspect Ratio Checker
- 1Choose a video or image.
- 2Review dimensions, orientation, and the detected ratio.
- 3Read the likely standard-video, Shorts, square, portrait, or custom classification.
- 4Open the recommended crop or resize tool when changes are needed.
Supported inputs and outputs
Inputs
Browser-decodable video, PNG, JPEG, WebP
Outputs
On-screen aspect-ratio report, Links to correction tools
Practical uses
- Checking a YouTube upload
- Identifying a Shorts-shaped video
- Comparing thumbnail dimensions
- Finding unusual media framing
Browser and media limitations
- Classification is based on dimensions, not content.
- Browser metadata support varies by video codec.
- A 9:16 shape alone does not guarantee Shorts classification.
- Platform rules can change.
How local processing works
Tubelexity reads local browser metadata only. The file is not uploaded and no FFmpeg processing is required.
Frequently asked questions
What aspect ratio does standard YouTube video use?
16:9 is the common widescreen layout, although YouTube can display other ratios.
What ratio is common for YouTube Shorts?
9:16 is the common full-screen vertical ratio.
Can this checker analyze images and videos?
Yes, when the browser can read their dimensions.
Does a vertical file automatically become a Short?
No. Shape is only one part of YouTube’s classification and publishing behavior.
Is the file re-encoded?
No. This tool only reads metadata.