Scale Image by Percentage

Scale and resize image dimensions proportionally by a percentage value (e.g. 50%, 75%, 200%).

How It Works & Processing Standards

Scale and resize image dimensions proportionally by a percentage value (e.g. 50%, 75%, 200%).

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

Scale Image by Percentage 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 Scale Image by Percentage

  1. 1
    Select ImageDrop your image file into the workspace.
  2. 2
    Enter PercentageType the desired scale factor (e.g. 50 for half size, 200 for double).
  3. 3
    Download Resized ImageExport your proportionally scaled graphic.

Common Use Cases

  • Downscaling 4K camera photos to 50% for fast social media posting
  • Scaling up interface screenshots to 200% for high-DPI retina display previews
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