{"id":2605,"date":"2015-05-14T02:41:48","date_gmt":"2015-05-14T02:41:48","guid":{"rendered":"http:\/\/www.isunshare.com\/blog\/?p=2605"},"modified":"2023-04-15T07:51:46","modified_gmt":"2023-04-15T07:51:46","slug":"how-to-increase-file-compression-ratio-in-winrar","status":"publish","type":"post","link":"https:\/\/www.isunshare.com\/blog\/how-to-increase-file-compression-ratio-in-winrar\/","title":{"rendered":"How to Increase File Compression Ratio in WinRAR"},"content":{"rendered":"<p>Probably you have met these questions, or maybe you have encountered one of them. Or you are facing such problems now.<\/p>\n<ul>\n<li>How to change archive compression ratio?<\/li>\n<li>How to set compression ratio for files being compressed?<\/li>\n<li>Why the compression ratio is different for different files?<\/li>\n<li>What are the tips to <a href=\"https:\/\/www.isunshare.com\/blog\/how-to-increase-file-compression-ratio-in-winrar\/\">increase compression ratio in WinRAR<\/a>?<\/li>\n<li>Which file type is worth compressing?<\/li>\n<\/ul>\n<p>In fact, no matter which one you want to ask, when you solve the problem <strong><em>how to increase file compression ratio in compression software<\/em><\/strong>, the others will be answered surely. Therefore, see the steps for how to achieve this goal.<\/p>\n<ul>\n<li><a href=\"#step1\">Step 1: Choose compression software with high compression ratio.<\/a><\/li>\n<li><a href=\"#step2\">Step 2: Set different parameters in WinRAR to increase file compression ratio.<\/a><\/li>\n<\/ul>\n<h2 id=\"step1\">Step 1: Choose compression software with high compression ratio.<\/h2>\n<p>7-Zip and WinRAR are two compression utilities that are designed with high compression ratio. And WinRAR is used by us usually. So now let\u2019s choose WinRAR to learn how to increase file compression ratio.<\/p>\n<h2 id=\"step2\">Step 2: Set different kinds of parameters in WinRAR to increase file compression ratio.<\/h2>\n<p>When WinRAR is run on your computer, what can you do for file compression ratio improvement? Actually, this is also the process to create an archive with high compression ratio.<\/p>\n<p><em><strong>1.<\/strong><\/em> In WinRAR window, browse to the directory where the files you want to zip, select them and click <strong>Add<\/strong> button.<\/p>\n<p><a href=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/choose-folder-to-increase-compression-ratio.png\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"394\" class=\"alignnone size-full wp-image-2610\" src=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/choose-folder-to-increase-compression-ratio.png\" alt=\"choose folder to increase compression ratio\" srcset=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/choose-folder-to-increase-compression-ratio.png 550w, https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/choose-folder-to-increase-compression-ratio-300x215.png 300w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/a><\/p>\n<p><em><strong>2.<\/strong><\/em> In following appearing <strong>Advanced name and parameters<\/strong> window, under <strong>General<\/strong> tab, move your mouse to <strong>Archiving options<\/strong>. Check <strong>Create solid archive<\/strong> and <strong>Lock archive<\/strong> two options.<\/p>\n<p><a href=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/create-solid-archive-to-increase-compression-ratio.png\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"427\" class=\"alignnone size-full wp-image-2611\" src=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/create-solid-archive-to-increase-compression-ratio.png\" alt=\"create solid archive to increase compression ratio\" srcset=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/create-solid-archive-to-increase-compression-ratio.png 500w, https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/create-solid-archive-to-increase-compression-ratio-300x256.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p><em><strong>3.<\/strong><\/em> Choose <strong>Best<\/strong> in <strong>Compression method<\/strong>.<\/p>\n<p><em><strong>4.<\/strong><\/em> Now select <strong>Advanced<\/strong> tab in Advanced name and parameters window, and click <strong>Compression <\/strong>button.<\/p>\n<p><a href=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/open-winrar-compression-settings-window.png\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"427\" class=\"alignnone size-full wp-image-2612\" src=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/open-winrar-compression-settings-window.png\" alt=\"open winrar compression parameters window\" srcset=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/open-winrar-compression-settings-window.png 500w, https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/open-winrar-compression-settings-window-300x256.png 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<p>A new window would pop up, <strong>Advanced compression parameters<\/strong>. In this window, you can make more detailed settings to improve file compression effect according to file type you prepare to compress.<\/p>\n<p>4-1 If they are the common documents or files, choose <strong>Force<\/strong> under <strong>Text compression<\/strong>. Set <strong>Prediction order<\/strong> as 63 (2-63), and <strong>Memory to use<\/strong> as 256.<\/p>\n<p>The two parameters should be set up based on specific circumstance. The larger the value is, the more memory space would be occupied. And if decompression memory is smaller than compression memory, archive would probably go wrong.<\/p>\n<p><a href=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/increase-text-and-audio-compression-ratio.png\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"421\" class=\"alignnone size-full wp-image-2613\" src=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/increase-text-and-audio-compression-ratio.png\" alt=\"increase text and audio compression ratio\" srcset=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/increase-text-and-audio-compression-ratio.png 400w, https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/increase-text-and-audio-compression-ratio-285x300.png 285w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p>4-2 If they are uncompressed video or audios, choose <strong>Force<\/strong> under <strong>Audio compression<\/strong>. Set <strong>Channel<\/strong> as 4 or 0. Generally, WinRAR will choose sound channel automatically.<\/p>\n<p>4-3 If they are image files that haven\u2019t been compressed, such as BMP or TIF, select <strong>Force<\/strong> under <strong>True color compression<\/strong>. Probably they would be compressed smaller than JPG. But if the images are JFG format, it would be not necessary to compress them.<\/p>\n<p><a href=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/increase-image-compression-ratio.png\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"421\" class=\"alignnone size-full wp-image-2614\" src=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/increase-image-compression-ratio.png\" alt=\"increase image compression ratio\" srcset=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/increase-image-compression-ratio.png 400w, https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/increase-image-compression-ratio-285x300.png 285w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<p><em><strong>5.<\/strong><\/em> Under <strong>General compression<\/strong>, set dictionary size as 4096 KB. Click OK in window <strong>Advanced compression parameters <\/strong>and<strong> Advanced name and parameters to compress files <\/strong>you open.<\/p>\n<p>Then files will be compressed with above settings in WinRAR.<\/p>\n<p><a href=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/create-archive-with-high-compression-ratio.png\"><img loading=\"lazy\" decoding=\"async\" width=\"550\" height=\"394\" class=\"alignnone size-full wp-image-2615\" src=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/create-archive-with-high-compression-ratio.png\" alt=\"create archive with high compression ratio\" srcset=\"https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/create-archive-with-high-compression-ratio.png 550w, https:\/\/www.isunshare.com\/blog\/wp-content\/uploads\/2015\/05\/create-archive-with-high-compression-ratio-300x215.png 300w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/a><\/p>\n<p><strong>Related Articles:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/www.isunshare.com\/blog\/how-to-set-a-password-to-rar-archive\/\">How to Set a Password to RAR File<\/a><\/li>\n<li><a href=\"https:\/\/www.isunshare.com\/blog\/how-to-set-a-password-to-7-zip-archive\/\">How to Encrypt A ZIP File<\/a><\/li>\n<li><a href=\"https:\/\/www.isunshare.com\/rar-password\/recover-rar-password.html\">How to Recover RAR Password<\/a><\/li>\n<li><a href=\"https:\/\/www.isunshare.com\/blog\/how-to-convert-rar-archive-to-zip-format-in-winrar\/\">How to Convert RAR Archive to ZIP Format in WinRAR<\/a><\/li>\n<li><a href=\"https:\/\/www.isunshare.com\/blog\/how-to-bypass-winrar-password-protected-file-password\/\">How to Bypass WinRAR Password Protected File Password<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Probably you have met these questions, or maybe you have encountered one of them. Or you are facing&#8230;<\/p>\n","protected":false},"author":1,"featured_media":126289,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-2605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-archives-password"],"_links":{"self":[{"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/posts\/2605","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/comments?post=2605"}],"version-history":[{"count":5,"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/posts\/2605\/revisions"}],"predecessor-version":[{"id":6361,"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/posts\/2605\/revisions\/6361"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/media\/126289"}],"wp:attachment":[{"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/media?parent=2605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/categories?post=2605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.isunshare.com\/blog\/wp-json\/wp\/v2\/tags?post=2605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}