Know the exact size
Image Dimensions Checker
Drop an image to see its true width, height, megapixels, aspect ratio, file type, and storage size without an upload.
Works withJPG, PNG, WebP and browser-supported images
ResultOn-screen details only
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How to use it
Three steps. That’s it.
- 1
Choose or drop an image.
- 2
Read its decoded pixel dimensions, ratio, megapixels, format, and file size.
- 3
Use related tools if you need to resize or compress it.
Good to know
Frequently asked questions
Are dimensions the same as file size?
No. Dimensions describe the pixel grid, such as 1920 × 1080. File size describes storage, such as 800 KB.
What are megapixels?
Megapixels equal width multiplied by height divided by one million. A 4000 × 3000 image contains 12 megapixels.
Is the image uploaded?
No. Your browser reads the file and reports its decoded dimensions locally.
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