On Tue, Dec 3, 2019 at 10:59 AM Paul Berger via cctalk < cctalk@classiccmp.org> wrote:
> Is there any way to know what compression was used in a pdf file? > There's not necessarily only one. Every object in a PDF file can have its own selection of compression algorithm. I don't know of any user-friendly way to tell. Years ago I used some really awful programs I hacked up to inspect PDF file contents. I'm not sure I even can find them any more.