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61 lines
1.5 KiB
Markdown
61 lines
1.5 KiB
Markdown
# Ghostscript
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## Table of contents <!-- omit in toc -->
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1. [TL;DR](#tldr)
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1. [Reduce the size of PDF files](#reduce-the-size-of-pdf-files)
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1. [Sources](#sources)
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## TL;DR
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```sh
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# Install.
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brew install ghostscript
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sudo port install ghostscript
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# Reduce the size of PDF files.
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gs -dNOPAUSE -dQUIET -dBATCH \
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-sDEVICE=pdfwrite -dPDFSETTINGS=/ebook -dCompatibilityLevel=1.4 \
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-sOutputFile=path/to/small/file.pdf \
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path/to/massive/file.pdf
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gs \
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-o /path/to/resized.pdf \
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-sDEVICE=pdfwrite \
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-dPDFFitPage \
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-r300x300 \
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-g2550x3300 \
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/path/to/original.pdf
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```
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## Reduce the size of PDF files
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Execute the following:
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```sh
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gs -dNOPAUSE -dQUIET -dBATCH \
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-sDEVICE=pdfwrite -dPDFSETTINGS=/ebook -dCompatibilityLevel=1.4 \
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-sOutputFile=path/to/small/file.pdf \
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path/to/massive/file.pdf
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```
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Use one of the following options for the value of `-dPDFSETTINGS`:
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| Value | Description |
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| ----------- | ---------------------------------------------- |
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| `/screen` | Screen-view-only quality, 72 dpi images |
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| `/ebook` | Low quality, 150 dpi images |
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| `/printer` | High quality, 300 dpi images |
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| `/prepress` | High quality, color preserving, 300 dpi images |
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| `/default` | Almost identical to `/screen` |
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## Sources
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- [Reducing PDF File size]
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<!--
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References
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-->
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<!-- Others -->
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[reducing pdf file size]: https://superuser.com/questions/293856/reducing-pdf-file-size#1217306
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