Change dimensions with aspect-ratio locking.
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.
Resize images to exact pixel dimensions required by design specs or CMS templates.
Prepare images at the right dimensions for different platforms and post types.
Quickly export assets at multiple sizes for handoff without opening Photoshop.
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.