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Image Upscaler

Enlarge images 2×–4× with high-quality Lanczos resampling and adjustable sharpening — runs entirely in your browser.

  • Runs in your browser
  • No upload on server
  • Free, forever
  1. Add photo
  2. Adjust
  3. Download
How this works
  1. 1
    Drop the small image

    Load any photo or graphic you want to enlarge without going blurry.

  2. 2
    Pick a scale

    Choose 2× or 4×. Bigger scale = more detail but takes longer to process.

  3. 3
    Compare & save

    Slide the before/after handle to compare, then download the sharper version.

Watch: sharp side reveals as the slider moves
Drop an image to enlarge it 2×, 3× or 4×.
How this works
  • Uses high-quality bicubic / Lanczos-style resampling, then optional unsharp mask for crisp edges.
  • Everything happens in your browser — no upload on server, no account, no AI model download.
  • Best for small product shots, icons, and photos that look soft on big screens.

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