Resize Image by Width

Change image width to an exact pixel count while automatically maintaining original aspect ratio.

How It Works & Processing Standards

Change image width to an exact pixel count while automatically maintaining original aspect ratio.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Desktop max file size: 40MB
  • Mobile max file size: 20MB

Resize Image by Width is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Resize Image by Width

  1. 1
    Upload PictureSelect the image you want to resize.
  2. 2
    Set Desired WidthEnter the target pixel width (e.g. 1200 or 800).
  3. 3
    Save Resized ImageDownload your perfectly proportioned image.

Common Use Cases

  • Standardizing blog post hero pictures to match content column width (e.g. 800px)
  • Resizing graphics for eCommerce product catalogs to exact column widths
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