આ કંટ્રોલમાં ફેરફાર કરવાથી આ પેજ ઑટોમૅટિક રીતે અપડેટ થઈ જશે.
    
Compress a PDF in Preview on Mac
To save storage space, you can compress a PDF in Preview.
Note: When compressed, the PDF may be of lower quality than the original. The resulting file size and image quality may vary depending on the options you select.
- Go to the Preview app  on your Mac. on your Mac.
- Open the PDF you want to compress. 
- Choose File > Export. 
- Do one or more of the following: - Compress PDF graphics to presentation quality: Select the “Optimise images for screen” tickbox. 
- Convert all graphics to JPEG format: Select the “Save images as JPEG” tickbox.