Use AI image upscaling tools
Increase the image dimensions in photo editing software
Sharpen the image after upscaling
Reduce noise before enlarging
Start from the highest-quality original file available
Export in a lossless or high-quality format
Re-scan the original photo at a higher DPI if it is a print
Retake the photo with a higher-resolution camera if possible
Avoid repeated saving in compressed formats
Use super-resolution features in editing apps