Use the original high-resolution file if available
Increase image sharpness in an editing app
Adjust clarity, contrast, and structure settings
Apply deconvolution or sharpening filters
Reduce noise before sharpening
Upscale the image with AI enhancement tools
Use super-resolution software to restore details
Correct motion blur with specialized deblur tools
Correct lens blur with restoration filters
Improve focus using photo editing software if the blur is mild
Re-scan the image at higher resolution if it is a scanned photo
Export and save in a lossless format to avoid further quality loss