Free Web & UX Tools
Website Screenshot Size Checker
Inspect a local screenshot’s dimensions against common viewport and full-page capture contexts.
What this tool does
The local image is compared with editable viewport width, device pixel ratio, and expected capture height.
Inspect a local screenshot’s dimensions against common viewport and full-page capture contexts.
The local image is compared with editable viewport width, device pixel ratio, and expected capture height.
Use the tool
Check screenshot dimensions
Choose a screenshot and set its intended capture context.
Screenshot and capture context
Drop a JPEG, PNG, or WebP here
Maximum file size: 25 MB
Capture dimensions
How to use it
Three quick steps
- 1Choose a screenshot and set its intended capture context.
- 2Identify likely scaling, retina, or full-page mismatches.
- 3Verify the result in its real production context. Image dimensions cannot prove which browser, zoom level, device, or page state produced the screenshot.
Worked example
Example: Website Screenshot Size Checker
Check whether a 2880px-wide screenshot corresponds to a 1440px viewport at 2× density.
FAQ
Questions about the website screenshot size checker
Practical details about using the tool and understanding its result.
Keep working
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