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Huge PDF Sizes Exported from Confluence in v6.7.2

We recently upgraded to v6.7.2 from 5.x (I think it was v5.7.) and custom PDF space exports are huge compared to what they were with the previous version we ran. The last space export I have is 18MB, and the export of the space now - with very few modifications and some reductions to the stylesheet - is at almost 850MB. I was able to use Acrobat to reduce the PDF size to 250MB, but it is still too unwieldy to use. Why is Confluence outputting such huge files?




We have met this problem on Confluence 6.10.2 as well. 


Have you fixed it?



Gonchik Tsymzhitov

Deleted user Sep 02, 2019

We're running into this as well, did you manage to find a fix?

The problem is even worse since our documentation hits a 2GB limit and fails when the full site is exported.

Compared to an older export the file size has grown 700%, even though the number of pages have gone down.

We have encountered the same issue with our PDFs--a former 250MB PDF is now 2GB. We were unable to compress the PDF to a reasonable size. Is there a workaround?


1. Open the PDF produced by Confluence in Adobe Acrobat.  

2. Click the Tools menu.

3. Select the Action Wizard.

4. Select Optimize for Web. 


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