To change resolution of a picture using Pixlr, follow the steps given below:
- Upload your JPEG file after logging into Pixlr
- Select the layer from the menu by clicking the lock icon
- Choose Files > Details > Transparency > And decide on Clarity
- There is a slider that allows you to adjust the Clarity level
- This would raise the resolution of the picture
- To achieve the intended outcome, adjust the temperature, hue, and noise levels if the outcome does not satisfy you.