There are 2 ways to adjust the JPEG compression quality:
Home > Tutorial Index > Adjust JPEG Compression Quality
You can adjust the JPEG compression quality when you resize and convert your photos.
Method 1
- Choose File > TWAIN > Output Setting.... (Shortcut: Ctrl+Alt+O)

- In the Output Setting dialog box, select JPEG as the image format.
- Click on the Options... button.

- In the JPEG Options dialog box, change the Compression Quality and other options to suit your needs.

- Click OK to save changes.
Method 2
- Choose Tools > Options.... Click on the Image Formats tag. (Shortcut: Alt+O)

- Select the JPEG image format.

- Click on the Options button.
- In the JPEG Options dialog box, change the Compression Quality and other options to suit your needs.

- Click OK to save changes.