I need to compress large PDFs. I run a large sewing group. I have old sewing books that have been digitized and are now open copyright or they never had a copyright in the place. I used to use a crawler to scour the Internet for free resources for my group. I live finding new resources. ButI want to post theb open copyright ones in the FB group but the max MG for upload is low considering many of these old books have 200+ pages and are mostly dense pictures, so they can't be just txt based.Many of these books, although open copyright, are for sale on Amazon and places like Scribd because they are fairly hard to find and someone grabbed one, cleaned it up and posted it. Even stuff I posted there 10 years ago is now behind the paywall and they removed my access to it- even though I was the original uploader! I have tried Calibre. Many will open in other PDF readers but not calibre. Many will open in Calibre but when I try to convert them or flatten them, it just locks up, fails or it makes an unreadable file. And while this has worked for a few, most still end up 50mg to large. When I try apps on the phone, the free ones and free websites will only do books with limited pages for free. That only works for the 50-75 page books and pamphlets.So I either need a good compressor or a way to split the books up and still make them into readable files. Facebook does not allow any form of zip files. Pictures, Document formats only.Any help is appreciated. via /r/ebooks https://ift.tt/M3EcbR8
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