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Resize assets with aspect locking and preset dimensions.
Change dimensions with aspect-ratio locking.
Preview
Review and download the processed image.
Upload an image to preview optimization, format conversion, or social sizing changes here.
UseDaily's free online image resizer lets you change the dimensions of JPG, PNG, and WebP images directly in your browser. Set custom width and height values with optional aspect ratio locking — all processing happens client-side with no uploads required.
Upload your image and enter the desired width or height. Enable aspect ratio lock to scale proportionally. Preview the result and download the resized image.
Set any width and height in pixels for precise output dimensions.
Automatically calculates the proportional dimension when you change one side.
Keeps the original image format (JPG, PNG, WebP) unless you choose to convert.
All processing happens in your browser. Your data is never sent to any server.