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Image Size Checker

Check an image's file size, dimensions and megapixels.

Image Size Checker tells you the file size, the dimensions and the megapixels of a picture. It is a quick way to check whether an image meets an upload limit or a size requirement.

Upload a picture and you receive a report with its file size, width and height, and megapixel count. The upload limit is 20 MB.

How to use Image Size Checker

  1. Click the upload field and choose your image (up to 20 MB).
  2. Press Generate and wait a moment.
  3. Read the report.
  4. Compare the numbers with the requirement you need to meet.

Tips for better results

  • If the file is too large, use the Image Compressor or Image Resizer to reduce it.
  • Megapixels are width times height, divided by one million.
  • Check both the dimensions and the file size when a website has strict limits.

Frequently asked questions

What are megapixels?

They measure the total number of pixels in a picture, in millions.

Does the tool change my image?

No. It only reads information.

What if the image is too big?

Use the Image Resizer or the Image Compressor.

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