Free browser tool
Resize Image
Resize an image to a target width while keeping the aspect ratio intact.
Quick answer
Resize Image helps estimate the result from your inputs in the browser. Use the output as a planning number, then compare it with your records, provider terms, or official guidance before making a final decision.
!
Resizing changes the exported pixel dimensions. Keep an untouched original when the source file matters.
Calculator
Results update as you type
Formula
The math behind the result
new height = original height × (new width ÷ original width)
How it works
A clean flow from input to answer
- 1Upload the image you want to resize.
- 2Set the target width in pixels.
- 3Download the resized output with the original aspect ratio preserved.
FAQ
Common questions
Does this stretch the image?
No. Height is recalculated from the original aspect ratio.
Can I enlarge tiny images?
Yes, but enlarging can make them look soft or blurry.
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