waifu2x

Upload the low-resolution anime screenshot.

Select 'Artwork/Scans' style.

Choose 'Medium' noise reduction.

Select '2x' upscaling.

Process the image and download the enhanced version.

Upload the digital artwork.

Select 'Artwork/Scans' style.

Choose 'Low' noise reduction.

Select '1.6x' upscaling.

Process the image and download the enhanced version.

Upload the old family photo.

Select 'Photo' style.

Choose 'High' noise reduction.

Select '2x' upscaling.

Process the image and download the enhanced version.

Upload the photograph with JPEG artifacts.

Select 'Photo' style.

Choose 'Medium' to 'High' noise reduction.

Select 'None' upscaling or '1.6x' for slight enlargement.

Process the image and download the enhanced version.

Upload the low-resolution image.

Select appropriate style (Artwork/Scans or Photo).

Choose appropriate noise reduction based on image quality.

Select '2x' or '4x' upscaling depending on the desired print size.

Process the image and download the enhanced version.