Computers & IT
Computers & IT
8개의 기사
qpdf Encrypts With AES-256 by Default. pdftk Can’t Open It.
You encrypt a PDF with qpdf, hand it to pdftk further down the pipeline, and pdftk refuses to open it.…
Computers & ITExtracting 5 Pages From a 60-Page PDF Gave Me 91% of the File
You extract five pages from a sixty-page report. The result should be about a twelfth of the original. Instead it…
Computers & ITMerging PDFs: qpdf Silently Drops Every Bookmark
Merging PDFs on the command line looks like a solved problem. Pick qpdf because it is fast, or pdftk because…
Computers & ITYour PDF Repair Probably Worked. Probably.
A PDF in your archive is damaged. You run it through qpdf, the command finishes, and the output opens cleanly…
Computers & ITBatch PDF Compression: Why the One-Line Loop Wastes 60% of Your Savings
Search for batch PDF compression and you will find the same snippet everywhere: for f in *.pdf; do gs -sDEVICE=pdfwrite…
Computers & ITqpdf vs Ghostscript for PDF Compression: A Measured Comparison
Every thread about shrinking PDFs on the command line ends the same way: someone says “use Ghostscript,” someone else says…
Computers & ITWhy Ghostscript Made Your PDF Bigger (And How to Fix It)
You ran a PDF through Ghostscript to shrink it. The output came back bigger than the input — sometimes by…
Computers & ITGhostscript /ebook Not Reducing PDF Size? Here’s Why (With Measurements)
You ran the command everyone recommends for Ghostscript PDF compression: gs -sDEVICE=pdfwrite -dPDFSETTINGS=/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=out.pdf in.pdf Ghostscript finished…