{"id":867,"date":"2024-05-07T11:44:43","date_gmt":"2024-05-07T11:44:43","guid":{"rendered":"https:\/\/kb.shortpixel.com\/docs\/why-are-my-images-automatically-compressed\/"},"modified":"2025-08-27T08:41:39","modified_gmt":"2025-08-27T08:41:39","password":"","slug":"why-are-my-images-automatically-compressed","status":"publish","type":"docs","link":"https:\/\/kb.shortpixel.com\/knowledge-base\/article\/why-are-my-images-automatically-compressed\/","title":{"rendered":"Why are my images automatically compressed?"},"content":{"rendered":"\n<p>There are a few cases when the images are automatically compressed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>By default, the &#8220;<strong>Optimize media on upload<\/strong>&#8221; option is switched on in your ShortPixel settings (<em>Settings <\/em>> <em>ShortPixel <\/em>> <em>Processing<\/em>). If you don&#8217;t turn it off, the images will be compressed automatically after they are uploaded to the Media Library.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"637\" src=\"https:\/\/kb.shortpixel.com\/wp-content\/uploads\/2024\/05\/Screenshot-20241204_092257-1024x637.jpg\" alt=\"\" class=\"wp-image-1478\" srcset=\"https:\/\/kb.shortpixel.com\/wp-content\/uploads\/2024\/05\/Screenshot-20241204_092257-1024x637.jpg 1024w, https:\/\/kb.shortpixel.com\/wp-content\/uploads\/2024\/05\/Screenshot-20241204_092257-300x186.jpg 300w, https:\/\/kb.shortpixel.com\/wp-content\/uploads\/2024\/05\/Screenshot-20241204_092257-768x477.jpg 768w, https:\/\/kb.shortpixel.com\/wp-content\/uploads\/2024\/05\/Screenshot-20241204_092257-1536x955.jpg 1536w, https:\/\/kb.shortpixel.com\/wp-content\/uploads\/2024\/05\/Screenshot-20241204_092257-360x224.jpg 360w, https:\/\/kb.shortpixel.com\/wp-content\/uploads\/2024\/05\/Screenshot-20241204_092257.jpg 1755w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Some plugins (like thumbnail regeneration or thumbnail editor plugins) can change or remove the WordPress metadata and trigger the re-optimization. For more information: <a href=\"https:\/\/shortpixel.com\/knowledge-base\/article\/why-are-my-images-re-compressed\/\" rel=\"noopener\">Why are my images re-compressed?<\/a><\/li>\n\n\n\n<li>The Bulk Optimization process (<em>Media <\/em>> <em>Bulk ShortPixel)<\/em> was already started and a list of images was sent to be processed.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>There are a few cases when the images are automatically compressed:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[37],"glossaries":[],"doc_tag":[],"class_list":["post-867","docs","type-docs","status-publish","hentry","doc_category-shortpixel-image-optimizer"],"blocksy_meta":[],"year_month":"2026-04","word_count":97,"total_views":"1316","reactions":{"happy":"0","normal":"0","sad":"0"},"author_info":{"name":"admin","author_nicename":"admin_mdli53m5","author_url":"https:\/\/kb.shortpixel.com\/author\/admin_mdli53m5\/"},"doc_category_info":[{"term_name":"ShortPixel Image Optimizer","term_url":"https:\/\/kb.shortpixel.com\/knowledge-base\/category\/shortpixel-image-optimizer\/"}],"doc_tag_info":[],"knowledge_base_info":[],"knowledge_base_slug":[],"_links":{"self":[{"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/docs\/867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/comments?post=867"}],"version-history":[{"count":1,"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/docs\/867\/revisions"}],"predecessor-version":[{"id":1479,"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/docs\/867\/revisions\/1479"}],"wp:attachment":[{"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/media?parent=867"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/doc_category?post=867"},{"taxonomy":"glossaries","embeddable":true,"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/glossaries?post=867"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/kb.shortpixel.com\/wp-json\/wp\/v2\/doc_tag?post=867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}