Image Size Calculator
See an image's width and height, megapixels, aspect ratio and file size at a glance. Read entirely in your browser — no uploads.
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About this tool
Inspect an image's pixel dimensions, megapixels, aspect ratio and file size at a glance — all computed in your browser.
Common use cases
- Check whether an image meets size requirements
- Read the aspect ratio before cropping
- Estimate uncompressed memory footprint