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https://issues.apache.org/jira/browse/PDFBOX-5216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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yoonho updated PDFBOX-5216:
---------------------------
    Description: 
Is there a way to clean up duplicate objects using PDFBox?

[http://gofile.me/4hSqO/Cis33w0Sa] - Original

[http://gofile.me/4hSqO/7XKmWqUBB]  - Clean version

I applied the Adobe DC's Optimize option (relevant in the attached file). As a 
result, a 48mb PDF file was reduced to 19mb. I think this is due to cleaning up 
duplicate objects in the PDF.

Am I right? I would like to implement this process with PDFBox. How should I 
approach it?

  was:
Is there a way to clean up duplicate objects using PDFBox?

[http://gofile.me/4hSqO/Cis33w0Sa] - Original

[http://gofile.me/4hSqO/7XKmWqUBB]  - Clean version

I applied the Adobe DC's Optimize option (there is a picture of it). As a 
result, a 48mb PDF file was reduced to 19mb. I think this is due to cleaning up 
duplicate objects in the PDF.

Am I right? I would like to implement this process with PDFBox. How should I 
approach it?


> Is there a way to optimize by cleaning up duplicate objects?
> ------------------------------------------------------------
>
>                 Key: PDFBOX-5216
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5216
>             Project: PDFBox
>          Issue Type: Wish
>            Reporter: yoonho
>            Priority: Major
>         Attachments: 스크린샷 2021-06-15 오후 2.02.21.png
>
>
> Is there a way to clean up duplicate objects using PDFBox?
> [http://gofile.me/4hSqO/Cis33w0Sa] - Original
> [http://gofile.me/4hSqO/7XKmWqUBB]  - Clean version
> I applied the Adobe DC's Optimize option (relevant in the attached file). As 
> a result, a 48mb PDF file was reduced to 19mb. I think this is due to 
> cleaning up duplicate objects in the PDF.
> Am I right? I would like to implement this process with PDFBox. How should I 
> approach it?



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