Upscale4 Upscale an image

Upscale images for printing

Print shops ask for 300 pixels per inch. A phone photo cropped tight often has half that. For anyone sending photos to a print shop, the Photo model at 4× is the starting point. 4× runs on your device too, so nothing uploads, and needs the Pro plan.

Last updated 2026-10-05

Recommended settings

Model
Photo
Scale
4× (Pro, on your device)
Denoise
15 of 100
Output format
PNG

The Photo model is tuned for camera images: skin, foliage, fabric and natural noise.

Tips

  • Check the print size calculator first so you know the pixels you need.
  • Keep denoise low for film grain you want to see on paper.
  • Export PNG or JPG at quality 95 for the print file.

Worked example

What 4× does to three typical printing sources, and the largest print each result makes at 300 DPI.

Your imageOutput at 4×MegapixelsPrint at 300 DPI
800 × 6003,200 × 2,4007.710.7 × 8.0 in
1,280 × 9605,120 × 3,84019.717.1 × 12.8 in
2,016 × 1,5128,064 × 6,04848.826.9 × 20.2 in

How to upscale images for printing

  1. Open the upscaler and add your images, or a whole folder.
  2. Choose the Photo model and 4×.
  3. Set denoise to about 15.
  4. Export PNG and download the batch.

Questions

What scale should I use for printing?

4× is the usual answer for anyone sending photos to a print shop. Use the smallest scale that reaches the size you need, since bigger outputs take longer and fill more disk.

Which model is best for printing?

Photo. The Photo model is tuned for camera images: skin, foliage, fabric and natural noise.

Is 4× free?

4× runs on your device too, so nothing uploads, and needs the Pro plan.

Do my images upload?

No. At 4× the model runs in your browser, so the files stay on your device.

Scales compared

ScaleRunsPlanNote
2×On your deviceFree
4×On your deviceProRecommended

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