The object streams for indirect objects have been unpacked and stripped away, leaving their contents uncompressed. Use qpdf to regenerate compressed object streams:
qpdf --object-streams=generate in.pdf out.pdf
(The --stream-data=compress option is already set by default.)
While you are at it, might as well re-linearize the PDF for online readers with low bandwidth:
The object streams for indirect objects have been unpacked and stripped away, leaving their contents uncompressed. Use
qpdfto regenerate compressed object streams:(The
--stream-data=compressoption is already set by default.)While you are at it, might as well re-linearize the PDF for online readers with low bandwidth:
That seems to work. I tried
gs, Gscan2pdf, andpdf2djvubut they all either didn’t reduce size or segfaulted.