0
votes
1answer
177 views

Converting a scanned pdf to a compressed PDF with binary (2 level) image

I have many old scanned PDFs which take up too much space on disk. I have tried many PDF compressors available on the web. All of them ask me what compression to use for color images, and what to ...
0
votes
1answer
89 views

Why does ColorSync compression increase PDF file size for me?

I have this ebook that I'm trying to send to my Kindle from my Mac. I've done this before; Get a pdf, send it to Kindle address, and make sure the subject is "convert". This causes Amazon to convert ...
0
votes
1answer
351 views

Windows: Automated PDF compression (Hot folder)

In Windows, is there a way to monitor a folder and automatically compress a PDF that is placed in it? (by compression, I mean make a PDF smaller (I.e. not zip it), similar to using the reduce file ...
0
votes
2answers
222 views

Good way to reduce number of colors in a PDF file?

I have pages of handwritten notes that I decided to scan to a PDF. Somehow, 153 pages of notes turned into a 156.4 MB PDF file. The notes are scanned in color because I used four different colors: ...
2
votes
2answers
194 views

Does OS X Preview support saving PDF with JBIG2 compression?

I have a PDF file containing hundreds of BW scannings, that I created on Windows using lossy JBIG2 compression, resulting in a nice 8MB file. I can open that file on OSX with Preview, but if I add ...
-1
votes
1answer
103 views

How to achieve the compression level of a PDF scanner

I have one paper scanned into a PDF, which has a size of about 700KB and 300dpi. But if I take a snapshot of the PDF file using DPI settings of 300 as well, the image file (in PNG, JPG, or TIFF) is ...
-1
votes
2answers
608 views

Compressing PDF files [duplicate]

I have a PDF created from JPEG images colour scanned from a few pages. The file size is very large (> 325 MB) and I don't have access to the original scans (I only have the PDF file). Is there any ...
0
votes
1answer
654 views

pdftk: Compressing a bunch of PDFs en masse/in batch while keeping the filenames?

I have a rather simple problem. I have a lot of PDFs that I want to compress, all grouped by college class. I don't have the time or energy to manually run the compress command when I know I can ...
2
votes
1answer
5k views

Batch resize and compress PDF files

I need a way to size down and compress batches of PDF files. I'd prefer to do this on Windows, but Linux would be fine if it meant a smoother workflow. I know that there's programs such as NitroPDF ...
1
vote
2answers
438 views

How to further optimize PDF filesize?

I've been combining PDFs into a single file with Acrobat X Standard and have been able to get a 30-page document down to ~8MB. I've been seeing numerous similar documents that are just as, if not more ...
1
vote
1answer
159 views

pdf compressor on Win 7

I would like to know a preferably free software to compress PDFs on Win 7 so that I can email them. I came across this one, but it requested that I enable User Access Control so I am a bit wary.. ...
3
votes
1answer
2k views

How can I deflate compressed streams inside a PDF?

I read a stackexchange post on how to find a stream of font data within a PDF. This stream, if decompressed properly, apparently creates a usable TTF file. But I'm not sure how to decompress it. ...
2
votes
1answer
1k views

Turn off compression images inside of a PDF with Ghostscript?

Is it possible to turn off or lower the compression of images inside a PDF with Ghostscript when I convert to jpg? I currently use the following: gs \ -dNOPAUSE \ -q \ -dBATCH \ -dSAFER \ ...
3
votes
4answers
894 views

Compress pdf file? [duplicate]

I need to reduce the size or compress a PDF file. The PDF file is actually scanned images. Is there any way by which I can compress the file?
8
votes
3answers
36k views

What settings to use when making 7zip files in order to get maximum compression when compressing PDFs?

What settings to use when making 7zip files in order to get maximum compression? I'm compressing PDF documents containing scanned images. I'm thinking about using LZMA2, but I don't know what to set ...
2
votes
1answer
4k views

How to compress .pdfs in word 2007?

I am trying to send my cover letter and resume away but apparently it is too big to send through craigs list(my computer says the total size is 500kb) as it has a 600kb limit(so small should be at ...
7
votes
6answers
1k views

Is there a free way to compress a PDF?

I have several PDFs that are quite large (one is 80+ MB). Is there a free way to compress that PDF to a smaller size?
1
vote
2answers
1k views

How are images stored within a PDF?

The are places that prefer PDF's for printing, and we've also been using PDF as a distributable format that "everyone can open". It's very easy on a mac to save as PDF (or go to "print" and save it ...