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I have 2 PDF documents, with exactly the same presentation content, but the one document is almost 60% larger in size than the other document. I've tried many tools to compare the documents, all the tools claim no differences, including BeyondCompare. Herewith data gathered from Adobe's 'Audit Space Usage' for the 2 files.

File 1

Description....................................Bytes...................Percentage

Images......................................125 325..........................54.66%

Content Streams.........................52 728..........................23.00%

Fonts...........................................47 581..........................20.75%

Document Overhead.....................2 934............................1.28%

Cross Reference Table....................700............................0.31%

Total..........................................229 268.............................100%

File 2

Description....................................Bytes...................Percentage

Images......................................228 733..........................63.11%

Content Streams.........................63 417..........................17.50%

Fonts...........................................66 661..........................18.39%

Document Overhead.....................2 934............................0.81%

Cross Reference Table....................700............................0.19%

Total..........................................362 445.............................100%

I've spend many hours trying to figure out why this is happening. I would really appreciate it if somebody can guide me to a solution.

Thanks in Advance

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What are the PDF producers for each of the two? What's the PDF version for both? –  devnull Mar 30 at 13:20

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