Image Upscaler

Enlarge images 2x, 3x, or 4x with high-quality multi-pass bicubic resampling — no signup, right in your browser.

How to use Image Upscaler

  1. Upload a small image.
  2. Choose 2x, 3x, or 4x enlargement.
  3. Download the upscaled image.

Frequently asked questions

How does upscaling work without AI?

The tool enlarges in multiple smaller steps using high-quality bicubic resampling with smoothing, which produces noticeably cleaner edges than a single big jump.

Are my files uploaded to a server?

No. This tool runs 100% in your browser. Your files never leave your device, which makes it fast and completely private.

Is this tool free for commercial use?

Yes. All PikFinder tools are free with no sign-up, no watermarks, and no usage limits. Files you process belong entirely to you.

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