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Pdf - >pdf/a very slow


We’ve faced with performance issue during pdf to pdf/a conversion of one of our files (customer_file.pdf). If we try to convert it to pdf it takes about 5 sec but when convert it to pdf/a it takes about 15 minutes to convert.

Could you please check where is a bottleneck and if there is a workaround to avoid such problem?

Thank you.


We managed to replicate the problem of the slow performance in our environment. It has been logged under the ticket ID PDFNET-44042 in our bug tracking system. We have linked your post to this ticket and will keep you informed regarding any available updates.


Would you be so kind to provide us with status on the PDFNET-44042 issue?

Best regards,



The issue is under investigation however, it is not yet resolved. We will let you know as soon as there is some updates regarding its rectification. Please spare us some time.

We are sorry for the inconvenience.