Is there any way for do that without REFRYING operation.
On Tue, Jul 8, 2014 at 9:22 PM, Leonard Rosenthol <lrose...@adobe.com>
wrote:
> Just remember that doing that is considered a REFRYING operation and is
> quite LOSSY. If that's OK for your content - feel free, but just make sure
> you understand the risks involved in doing so.
>
> Leonard
>
> From: Carlos Arturo Bernal Carvajal <bernalcarva...@gmail.com>
> Reply-To: Post here <itext-questions@lists.sourceforge.net>
> Date: Tuesday, July 8, 2014 at 11:38 AM
>
> To: Post here <itext-questions@lists.sourceforge.net>
> Subject: Re: [iText-questions] [SPAM] Re: Reduce PDF file size
>
> You could try using Ghostscript after generating the PDF width iText.
> http://www.ghostscript.com/
>
> It works really good for me. I work at a photobook internet company and
> we generate the print PDF's using iText, but the output can be huge, like
> 500mb, so we use Ghostscript to compress the resulting file.
>
> We use the following command;
>
> gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.7 -dPDFSETTINGS=/prepress
> -sDefaultRGBProfile=/home/ubuntu/cronjob_autopdf_pixote2/colorProfiles/AdobeRGB1998.icc
> -sDefaultCMYKProfile=/home/ubuntu/cronjob_autopdf_pixote2/colorProfiles/CoatedFOGRA39.icc
> -dOverrideICC=true
> -sOutputICCProfile=/home/ubuntu/cronjob_autopdf_pixote2/colorProfiles/CoatedFOGRA39.icc
> -dNOPAUSE -dQUIET -dBATCH -sOutputFile="${file/.pdf/}_optimized.pdf" "$file"
>
>
> 2014-07-08 10:18 GMT-05:00 TvT <tvtre...@nepatec.de>:
>
>> Ok Suresh,
>>
>> that is not possible. Some pdfs do not contain any images, nor any
>> unused objects - size reduction is not possible in that case even if the
>> pdf is 200 MB.
>> I am guessing you want to reduce the size of Pdfs which mostly (or only)
>> contain images (e.g. PDFs created from a scanner etc).
>> You want to reduce the quality of the contained images so that the final
>> size will be much smaller...?
>>
>> You need to be more specific here...
>>
>>
>>
>> 2014-07-08 17:09 GMT+02:00 Suresh Amsala <sureshinfo...@gmail.com>:
>>
>> Dear Leonard Rosenthol,
>>>
>>> I didn't try using Adobe Acrobat but i want to do through
>>> programmatically not manually why because that is not a fixed size it may
>>> vary and the files should be uploaded by users.
>>>
>>> The quality should maintain 70%-80% compare to original pdf.The
>>> remaining things I don't mine like fonts,headers etc.
>>>
>>>
>>> On Tue, Jul 8, 2014 at 8:25 PM, Leonard Rosenthol <lrose...@adobe.com>
>>> wrote:
>>>
>>>> Did you try using Adobe Acrobat (even a trial version) to see if it
>>>> can reduce the size of your PDFs? Depending on what is in there, and what
>>>> options are important to you (embedded fonts, high quality images, etc.) it
>>>> may not be possible to reduce the size.
>>>>
>>>> Leonard
>>>>
>>>> From: Suresh Amsala <sureshinfo...@gmail.com>
>>>> Reply-To: Post here <itext-questions@lists.sourceforge.net>
>>>> Date: Tuesday, July 8, 2014 at 10:45 AM
>>>> To: Post here <itext-questions@lists.sourceforge.net>
>>>> Subject: Re: [iText-questions] [SPAM] Re: Reduce PDF file size
>>>>
>>>> I am uploading 20 MB pdf file it contains images and text and i want
>>>> to compress this file size to bellow 1 MB using iTextSharp in C#.
>>>>
>>>> How to do this? I tried TVT's Sample code but the file does not
>>>> compressing I mean the file size is same before uploading and after
>>>> uploading.
>>>>
>>>>
>>>> On Tue, Jul 8, 2014 at 5:04 PM, TvT <tvtre...@nepatec.de> wrote:
>>>>
>>>>> There are several options but mkl is right: You need to be certain
>>>>> that there are unused things in your pdf.
>>>>> To get an idea whats possible try the following two options in adobe
>>>>> acrobat:
>>>>> "File > Save As > Optimized PDF...", and "File > Save As > Reduced
>>>>> Size PDF...".
>>>>>
>>>>> In iText you got several options:
>>>>>
>>>>> - enable compression
>>>>> - remove unused objects
>>>>> - remove fields, annotations etc. if you don't need those anymore
>>>>>
>>>>> However you need to be more specific about your situation. Maybe you
>>>>> merged two PDFs and didn't used PdfCopy instead of PdfSmartCopy - who
>>>>> knows?
>>>>>
>>>>> Still some code which shows some of the stuff:
>>>>>
>>>>> PdfStamper stamper = new PdfStamper(reader, fs,
>>>>> PdfWriter.VERSION_1_5);PdfWriter writer = stamper.Writer;
>>>>> writer.SetPdfVersion(PdfWriter.PDF_VERSION_1_5);
>>>>> writer.CompressionLevel = pdf.PdfStream.BEST_COMPRESSION;
>>>>> reader.RemoveFields();
>>>>> reader.RemoveUnusedObjects();
>>>>> stamper.Reader.RemoveUnusedObjects();
>>>>>
>>>>> stamper.SetFullCompression();
>>>>> stamper.Writer.SetFullCompression();
>>>>> stamper.Close();
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> 2014-07-08 12:42 GMT+02:00 mkl <m...@wir-sind-cool.org>:
>>>>>
>>>>> Amsala Suresh,
>>>>>>
>>>>>> Suresh Amsala wrote
>>>>>> > I want to compress a *PDF file size from MB's to KB's* (if the file
>>>>>> size
>>>>>> > is 5 MB then it should be compressed in to KB's like 500 KB or 600
>>>>>> KB).
>>>>>>
>>>>>> What information in those PDFs is superfluous in your context and
>>>>>> can be
>>>>>> thrown away?
>>>>>>
>>>>>> Regards, Michael
>>>>>>
>>>>>> PS: Knowing nothing about the PDFs in question it is hard to tell
>>>>>> whether or
>>>>>> not they can be compressed at all. There of course are some
>>>>>> techniques like
>>>>>>
>>>>>> * replacing images with lower-resolution or lower-quality
>>>>>> replacements (but
>>>>>> you have not told us whether there are images in those PDFs and
>>>>>> whether they
>>>>>> may be downgraded);
>>>>>> * removing embedded fonts if you know they are available to the target
>>>>>> audience PDF viewers and provide the required information (but you
>>>>>> have not
>>>>>> told us whether there are such embedded fonts);
>>>>>> * re-compressing the streams at highest compression setting and
>>>>>> switching to
>>>>>> object streams (but the files may already use those settings);
>>>>>> * hunting for duplicate objects like identical header images included
>>>>>> separately in the file (but you have not indicated whether there are
>>>>>> such
>>>>>> duplicates)...
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> View this message in context:
>>>>>> http://itext-general.2136553.n4.nabble.com/Reduce-PDF-file-size-tp4660118p4660119.html
>>>>>> Sent from the iText - General mailing list archive at Nabble.com.
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Open source business process management suite built on Java and
>>>>>> Eclipse
>>>>>> Turn processes into business applications with Bonita BPM Community
>>>>>> Edition
>>>>>> Quickly connect people, data, and systems into organized workflows
>>>>>> Winner of BOSSIE, CODIE, OW2 and Gartner awards
>>>>>> http://p.sf.net/sfu/Bonitasoft
>>>>>> _______________________________________________
>>>>>> iText-questions mailing list
>>>>>> iText-questions@lists.sourceforge.net
>>>>>> https://lists.sourceforge.net/lists/listinfo/itext-questions
>>>>>>
>>>>>> iText(R) is a registered trademark of 1T3XT BVBA.
>>>>>> Many questions posted to this list can (and will) be answered with a
>>>>>> reference to the iText book: http://www.itextpdf.com/book/
>>>>>> Please check the keywords list before you ask for examples:
>>>>>> http://itextpdf.com/themes/keywords.php
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> Open source business process management suite built on Java and Eclipse
>>>>> Turn processes into business applications with Bonita BPM Community
>>>>> Edition
>>>>> Quickly connect people, data, and systems into organized workflows
>>>>> Winner of BOSSIE, CODIE, OW2 and Gartner awards
>>>>> http://p.sf.net/sfu/Bonitasoft
>>>>> _______________________________________________
>>>>> iText-questions mailing list
>>>>> iText-questions@lists.sourceforge.net
>>>>> https://lists.sourceforge.net/lists/listinfo/itext-questions
>>>>>
>>>>> iText(R) is a registered trademark of 1T3XT BVBA.
>>>>> Many questions posted to this list can (and will) be answered with a
>>>>> reference to the iText book: http://www.itextpdf.com/book/
>>>>> Please check the keywords list before you ask for examples:
>>>>> http://itextpdf.com/themes/keywords.php
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Thanks and Regards
>>>> Amsala Suresh
>>>> 9966151913
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Open source business process management suite built on Java and Eclipse
>>>> Turn processes into business applications with Bonita BPM Community
>>>> Edition
>>>> Quickly connect people, data, and systems into organized workflows
>>>> Winner of BOSSIE, CODIE, OW2 and Gartner awards
>>>> http://p.sf.net/sfu/Bonitasoft
>>>> _______________________________________________
>>>> iText-questions mailing list
>>>> iText-questions@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/itext-questions
>>>>
>>>> iText(R) is a registered trademark of 1T3XT BVBA.
>>>> Many questions posted to this list can (and will) be answered with a
>>>> reference to the iText book: http://www.itextpdf.com/book/
>>>> Please check the keywords list before you ask for examples:
>>>> http://itextpdf.com/themes/keywords.php
>>>>
>>>
>>>
>>>
>>> --
>>> Thanks and Regards
>>> Amsala Suresh
>>> 9966151913
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Open source business process management suite built on Java and Eclipse
>>> Turn processes into business applications with Bonita BPM Community
>>> Edition
>>> Quickly connect people, data, and systems into organized workflows
>>> Winner of BOSSIE, CODIE, OW2 and Gartner awards
>>> http://p.sf.net/sfu/Bonitasoft
>>> _______________________________________________
>>> iText-questions mailing list
>>> iText-questions@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/itext-questions
>>>
>>> iText(R) is a registered trademark of 1T3XT BVBA.
>>> Many questions posted to this list can (and will) be answered with a
>>> reference to the iText book: http://www.itextpdf.com/book/
>>> Please check the keywords list before you ask for examples:
>>> http://itextpdf.com/themes/keywords.php
>>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> Open source business process management suite built on Java and Eclipse
>> Turn processes into business applications with Bonita BPM Community
>> Edition
>> Quickly connect people, data, and systems into organized workflows
>> Winner of BOSSIE, CODIE, OW2 and Gartner awards
>> http://p.sf.net/sfu/Bonitasoft
>> _______________________________________________
>> iText-questions mailing list
>> iText-questions@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/itext-questions
>>
>> iText(R) is a registered trademark of 1T3XT BVBA.
>> Many questions posted to this list can (and will) be answered with a
>> reference to the iText book: http://www.itextpdf.com/book/
>> Please check the keywords list before you ask for examples:
>> http://itextpdf.com/themes/keywords.php
>>
>
>
>
> --
> Carlos Bernal
>
>
> ------------------------------------------------------------------------------
> Open source business process management suite built on Java and Eclipse
> Turn processes into business applications with Bonita BPM Community Edition
> Quickly connect people, data, and systems into organized workflows
> Winner of BOSSIE, CODIE, OW2 and Gartner awards
> http://p.sf.net/sfu/Bonitasoft
> _______________________________________________
> iText-questions mailing list
> iText-questions@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/itext-questions
>
> iText(R) is a registered trademark of 1T3XT BVBA.
> Many questions posted to this list can (and will) be answered with a
> reference to the iText book: http://www.itextpdf.com/book/
> Please check the keywords list before you ask for examples:
> http://itextpdf.com/themes/keywords.php
>
--
Thanks and Regards
Amsala Suresh
9966151913
------------------------------------------------------------------------------
Open source business process management suite built on Java and Eclipse
Turn processes into business applications with Bonita BPM Community Edition
Quickly connect people, data, and systems into organized workflows
Winner of BOSSIE, CODIE, OW2 and Gartner awards
http://p.sf.net/sfu/Bonitasoft
_______________________________________________
iText-questions mailing list
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https://lists.sourceforge.net/lists/listinfo/itext-questions
iText(R) is a registered trademark of 1T3XT BVBA.
Many questions posted to this list can (and will) be answered with a reference
to the iText book: http://www.itextpdf.com/book/
Please check the keywords list before you ask for examples:
http://itextpdf.com/themes/keywords.php
