How to make output jpeg file of xsane smaller on Linux?

xsane’s output jpeg file is large (10+MB). But we usually do not need it to make a so big jpeg file. Some compression (even lossy) will be good.

How to make output jpeg file of xsane smaller on Linux?

You can adjust the output file size by changing the compression levels and quality.

Through the menu preferences/setup in the main window of xsane, open the setup window.

In the xsane setup window, select the filetype tab.

Here, you can adjust the quality and compression levels. The output file size will change accordingly.