Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision | ||
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software:pdf [2014/10/20 08:41] cyril [pdfjam] |
software:pdf [2025/01/07 22:49] (current) cyril [convert (image magick)] |
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| Line 13: | Line 13: | ||
| </ | </ | ||
| + | Compress PDF file containing images (''/ | ||
| + | < | ||
| + | gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ | ||
| + | </ | ||
| ===== PDFTK ===== | ===== PDFTK ===== | ||
| * Split and merge PDF files:< | * Split and merge PDF files:< | ||
| + | pdftk in.pdf cat 2-4 output out.pdf | ||
| pdftk 1.pdf 2.pdf 3.pdf cat output 123.pdf | pdftk 1.pdf 2.pdf 3.pdf cat output 123.pdf | ||
| pdftk A=one.pdf B=two.pdf cat A1-7 B1-5 A8 output combined.pdf | pdftk A=one.pdf B=two.pdf cat A1-7 B1-5 A8 output combined.pdf | ||
| Line 23: | Line 28: | ||
| * Encrypt/ | * Encrypt/ | ||
| [[http:// | [[http:// | ||
| + | * Rotate:< | ||
| + | pdftk in.pdf cat 1-left 2-down output out.pdf | ||
| + | </ | ||
| ===== pdfjam ===== | ===== pdfjam ===== | ||
| Line 34: | Line 42: | ||
| * quickly rotate (pdf90, pdf180, pdf270):< | * quickly rotate (pdf90, pdf180, pdf270):< | ||
| pdf90 file1.pdf | pdf90 file1.pdf | ||
| + | pdfjam --angle 180 in.pdf out.pdf | ||
| + | </ | ||
| + | * convert image to pdf in A4 format:< | ||
| + | pdfjam --paper a4paper --outfile file.pdf file.jpg | ||
| </ | </ | ||
| Line 44: | Line 56: | ||
| ===== convert (image magick) ===== | ===== convert (image magick) ===== | ||
| - | Merge image files into a pdf file: | + | Merge image files into a pdf file (but better use pdfjam for A4 conversion): |
| < | < | ||
| convert page-*.png -page A4 [-rotate 90] test.pdf | convert page-*.png -page A4 [-rotate 90] test.pdf | ||
| Line 54: | Line 66: | ||
| < | < | ||
| convert -density 300x300 test.pdf test.png | convert -density 300x300 test.pdf test.png | ||
| + | </ | ||
| + | |||
| + | Recompress the pages:< | ||
| + | convert -quality 80 page-1.jpg page-1c.jpg | ||
| + | </ | ||
| + | |||
| + | Erase a part of the image (especially useful for batch processing):< | ||
| + | convert page-1.jpg -fill white -draw " | ||
| </ | </ | ||
| ===== pdftotext ===== | ===== pdftotext ===== | ||
