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Image Dimension Checker

See width, height, aspect ratio, megapixels and file size instantly.

Runs in your browser
Choose one or more imagesDrag and drop, or click to browse

Add images to read their exact dimensions and file sizes.

Files are inspected in the browser only. Nothing is uploaded and no metadata is stored.

About the Image Dimension Checker

Before you upload, print or crop, it helps to know exactly what you have. Drop an image here and you immediately see its pixel dimensions, simplified aspect ratio, megapixel count, file type and file size, plus a suggested print size at 300 dots per inch.

That last figure answers a common question: whether a photo is large enough to print at a given size without looking soft.

How to use the Image Dimension Checker

  1. 1Upload or drop one image.
  2. 2Read the measurements table that appears.
  3. 3Compare the aspect ratio against what your platform expects.
  4. 4Check the suggested print size if the image is destined for paper.

Features

  • Exact width and height in pixels
  • Simplified aspect ratio, such as 3:2 or 16:9
  • Megapixel count and file size
  • Detected MIME type
  • Approximate print size at 300 dots per inch

Why people use it

  • Know before you upload whether an image meets a minimum size rule.
  • Judge print suitability without trial and error.
  • Confirm the real format of a file with a misleading extension.

Common use cases

  • Checking whether a photo meets a marketplace's minimum resolution.
  • Verifying that a banner matches the required ratio.
  • Deciding if a picture can be printed at A4 quality.

Privacy and your data

The image is inspected locally to read its header and dimensions. Nothing is uploaded or stored.

Frequently asked questions

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