mkdir output; parallel --tag -j 2 ocrmypdf -O 3 -s --skip-big .1 '{}' 'output/{}' ::: *.pdf
Batch PDF image optimization to reduce file sizes. Usually use level 2 but sometimes 3 is warranted as long as you don't have text in images then it looks bad. In these pdfs only the first two images look kinda bad but rest throughout the pdfs are just fine. File savings is great 2.5GB —> 1.4GB (44% overall reduction)
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