AI Image Upscaler

Enlarge photos 2× or 4× and make them sharper with AI. Free, no sign-up, files stay on your device.

Choose an imageor drag and drop a file here

🔒 100% private — processing happens in your browser. Nothing is uploaded.

How to use the AI image upscaler

  1. Choose a small or blurry photo, logo or screenshot.
  2. Pick AI ×2 for the best detail (the Swin2SR model downloads once) or Classic for instant 2×/4× enlargement.
  3. Compare the zoomed before/after and download the PNG.

AI super-resolution reconstructs edges and textures instead of just stretching pixels, so enlarged photos look crisper — good for old phone pictures, thumbnails you need bigger, product images and printing. It also reduces JPEG blockiness. The image is processed in tiles on your device using WebGPU (or WebAssembly), so nothing is uploaded; large images take longer on slower computers.

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