human
How do I improve the quality of a JPEG?
assistant
Improve JPEG Image Quality
1. Open the JPEG in an editor.
2. Resize and crop as needed.
3. Reduce the image noise using the Reduce Noise filter.
4.    Use Filters such as Blur or Sharpen to enhance the photo.
5. Retouch fine details with the Clone Stamp.
6. Refine color and contrast using adjustments.
7. Save the image as a JPEG.