Image checker

Image Aspect Ratio Calculator

Drop in an image to instantly inspect its pixel dimensions, ratio, orientation and megapixels. Processing stays in your browser.

Inspect an image

JPG, PNG, WebP, GIF and more

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↑Drop an image here

or click to choose a file from your device

Aspect ratio

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Dimensions—

Decimal—

Orientation—

Megapixels—

Your image is read locally by your browser. The image file is not sent to AspectRatioZ.

Preview

Local preview only

Your image preview will appear here.

Why check an image's aspect ratio?

Aspect ratio matters whenever an image has to fit a fixed frame, thumbnail, social post, website component or video canvas. Knowing the original ratio helps you decide whether to resize or crop.

FAQ

Is my image uploaded?

No. The image is decoded by your browser to read its native dimensions and show a local preview.