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=== Linux PDF Tools: tiff2odf and tiffcp ====== Linux PDF Tools: tiff2pdf and tiffcp ===The tiff2pdf utility can convert a single tiff file into a pdf document. For multiple pages it will be necessary to create a multi-page tiff file. Yes, a single tiff file can contain multiple pages. While the original document.pdf is over 6 mb, the documentfinal.pdf is less than 1mb. While the original document.pdf is over 6 mb, the documentfinal.pdf is less than 1mb. === Linux PDF Tools: pdfcrack ===To unlock a password protected PDF file when you do NOT know the password. PDFCrack is a GNU/Linux tool for recovering passwords and content from PDF-files. It is small, command line driven without external dependencies. pdfcrack -f 2020CrackMe.pdfIf you see the error The specific version is not supported (Standard - 6)Then the version of pdfcrack does not support 256-bit ''Other resources, look into John the Ripper to brute force crack a protected PDF. John the Ripper is a fast password cracker. Its primary purpose is to detect weak Unix passwords.''* [https://www.moreno.marzolla.name/software/scan-to-pdf/ Creating multi-page PDF documents from scanned images in Linux] - discusses tiff2pdf * [[Create PDF Documents with ImageMagick and Ghostscript]]