Shrinking pdf in calibre / different folders reducing size
I recently added quite a lot of pdf files (mostly magazines) which I like to read on my tablet of PC. Unfortunalty, they are quite huge and my library grew to almost 5GB.
The library is synced via dropbox (I know about the problems) and I try to reduce the size of the pdf. I use the function in adobe acrobat XI and tried a program called PDF shrink. But I have to process manually as all the pdf are in different folders. So I have to pick them manually to process them.
Is there a way to reduce all the pdf in you library automatically?
Thank you very much for hints, ideas and solutions!
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