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Image tools
IMAGE TOOLS
Image dimensions
Check dimensions, aspect ratio and file size at a glance. A simple preflight check for your website images.
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Opening your tool…
THREE SIMPLE STEPS
How to use image dimensions
- Choose one or more image files.
- Read their pixel dimensions, megapixels and aspect ratios.
- Use the resize or compress tool when a file needs adjusting.
Good to know
Dimensions are measured after the browser decodes and orients the image. File size refers to the original file. This tool does not inspect all EXIF fields or report a reliable print DPI measurement.
A few useful answers
What are megapixels?+
Megapixels are width multiplied by height, divided by one million. A 2000 by 1500 image contains 3 megapixels.
Why can two images with the same dimensions have different sizes?+
Format, compression settings, image detail and metadata can all affect the number of bytes in a file.