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Image Upscaler (Enlarge Without Pixelation)

Enlarge images 1.5× to 4× with high-quality Lanczos resampling and adjustable sharpening — smooth, crisp edges instead of blocky pixels. Compare before and after, download PNG, JPG or WebP.

How to use

  1. 1Upload an image.
  2. 2Choose how much to enlarge and how much to sharpen.
  3. 3Compare with the slider and download.

Frequently asked questions

Is this AI upscaling?

No — it uses high-quality mathematical resampling, which keeps edges smooth and natural but can't invent detail that isn't in the original.

What's the largest output?

Up to about 40 megapixels (for example 4× a 1600×1000 image).

Is my image uploaded?

No — it's processed on your device.