{"id":5306,"date":"2025-02-03T10:54:37","date_gmt":"2025-02-03T10:54:37","guid":{"rendered":"https:\/\/uni.hi.is\/helmut\/?p=5306"},"modified":"2025-03-19T10:40:13","modified_gmt":"2025-03-19T10:40:13","slug":"reducing-files-size-of-pdfs","status":"publish","type":"post","link":"https:\/\/uni.hi.is\/helmut\/2025\/02\/03\/reducing-files-size-of-pdfs\/","title":{"rendered":"Reducing files size of PDFs"},"content":{"rendered":"<p>Have Ghostscript installed, and then<br \/>\n<code class=\"\" data-line=\"\"><br \/>\ngs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=\/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=compressed_output.pdf input.pdf <\/code><\/p>\n<p>The <a href=\"https:\/\/superuser.com\/questions\/435410\/where-are-ghostscript-options-switches-documented\">possible <code class=\"\" data-line=\"\">-dPDFSETTINGS<\/code><\/a> are:<\/p>\n<ul>\n<li><code class=\"\" data-line=\"\">\/screen<\/code> selects low-resolution output similar to the Acrobat Distiller \"Screen Optimized\" setting.<\/li>\n<li><code class=\"\" data-line=\"\">\/ebook<\/code> selects medium-resolution output similar to the Acrobat Distiller \"eBook\" setting.<\/li>\n<li><code class=\"\" data-line=\"\">\/printer<\/code> selects output similar to the Acrobat Distiller \"Print Optimized\" setting.<\/li>\n<li><code class=\"\" data-line=\"\">\/prepress<\/code> selects output similar to Acrobat Distiller \"Prepress Optimized\" setting.<\/li>\n<li><code class=\"\" data-line=\"\">\/default<\/code> selects output intended to be useful across a wide variety of uses, possibly at the expense of a larger output file.<\/li>\n<\/ul>\n<p>While there are online services that can compress such documents, these are of course not suitable for privacy-sensitive documents and may in addition <a href=\"https:\/\/www.fbi.gov\/contact-us\/field-offices\/denver\/news\/fbi-denver-warns-of-online-file-converter-scam\">insert malware into the created documents<\/a>. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Have Ghostscript installed, and then gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=\/ebook -dNOPAUSE -dQUIET -dBATCH -sOutputFile=compressed_output.pdf input.pdf The possible -dPDFSETTINGS are: \/screen selects low-resolution output similar to the Acrobat Distiller \"Screen Optimized\" setting. \/ebook selects medium-resolution output similar to the Acrobat Distiller \"eBook\" setting. \/printer selects output similar to the Acrobat Distiller \"Print Optimized\" setting. \/prepress selects output [&hellip;]<\/p>\n","protected":false},"author":512,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[139469],"tags":[],"class_list":["post-5306","post","type-post","status-publish","format-standard","hentry","category-tech"],"_links":{"self":[{"href":"https:\/\/uni.hi.is\/helmut\/wp-json\/wp\/v2\/posts\/5306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uni.hi.is\/helmut\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uni.hi.is\/helmut\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uni.hi.is\/helmut\/wp-json\/wp\/v2\/users\/512"}],"replies":[{"embeddable":true,"href":"https:\/\/uni.hi.is\/helmut\/wp-json\/wp\/v2\/comments?post=5306"}],"version-history":[{"count":5,"href":"https:\/\/uni.hi.is\/helmut\/wp-json\/wp\/v2\/posts\/5306\/revisions"}],"predecessor-version":[{"id":5475,"href":"https:\/\/uni.hi.is\/helmut\/wp-json\/wp\/v2\/posts\/5306\/revisions\/5475"}],"wp:attachment":[{"href":"https:\/\/uni.hi.is\/helmut\/wp-json\/wp\/v2\/media?parent=5306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uni.hi.is\/helmut\/wp-json\/wp\/v2\/categories?post=5306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uni.hi.is\/helmut\/wp-json\/wp\/v2\/tags?post=5306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}