{"id":4724,"date":"2026-05-09T10:06:24","date_gmt":"2026-05-09T10:06:24","guid":{"rendered":"https:\/\/rimanagency.com\/image-compression-size-estimator\/"},"modified":"2026-05-09T10:06:24","modified_gmt":"2026-05-09T10:06:24","slug":"image-compression-size-estimator","status":"publish","type":"page","link":"https:\/\/rimanagency.com\/fr\/image-compression-size-estimator\/","title":{"rendered":"Estimateur de taille de compression d&#039;image"},"content":{"rendered":"<style>.rt-h{background:linear-gradient(135deg,#f1f5e8,#e8efdb);border-radius:14px;padding:32px;margin:0 0 24px;text-align:center}.rt-h h1{margin:0 0 10px;font-size:28px;color:#4a6320}.rt-g{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:0 0 24px}.rt-f,.rt-o{background:#fff;border:1px solid #e0e6d8;border-radius:10px;padding:22px}.rt-f h3,.rt-o h3{margin:0 0 14px;color:#4a6320;font-size:18px}.rt-f label{display:block;font-size:13px;color:#516048;font-weight:600;margin:10px 0 6px}.rt-f input,.rt-f select,.rt-f textarea{width:100%;padding:9px;border:1px solid #d4dac6;border-radius:6px;font-size:14px;box-sizing:border-box;font-family:inherit}.rt-btn{background:#719430;color:#fff;border:none;padding:11px 20px;border-radius:6px;font-weight:700;cursor:pointer;width:100%;margin-top:14px;font-size:15px}.rt-btn:hover{background:#4a6320}.rt-o-big{font-size:38px;font-weight:800;color:#719430;text-align:center;margin:6px 0}.rt-o-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #f0f3e8;font-size:14px}.rt-o-row:last-child{border:none}.rt-o-row b{color:#4a6320}.rt-cta{background:linear-gradient(135deg,#719430,#4a6320);color:#fff;border-radius:14px;padding:32px;text-align:center;margin:30px 0}.rt-cta a{background:#fff;color:#4a6320;padding:12px 28px;border-radius:6px;font-weight:700;text-decoration:none;display:inline-block;margin-top:14px}.rt-code{background:#1e1e1e;color:#a3c163;padding:14px;border-radius:8px;font-family:Consolas,monospace;font-size:12px;white-space:pre-wrap;word-break:break-all;max-height:300px;overflow:auto}@media(max-width:768px){.rt-g{grid-template-columns:1fr}}<\/style>\n<div class=\"rt-h\">\n<h1>Image Compression Estimator<\/h1>\n<p>Estimate compressed file size for any image at JPG quality 60\/75\/85\/95 \u2014 useful for performance optimization and CDN cost forecasting.<\/p>\n<\/div>\n<div class=\"rt-g\">\n<div class=\"rt-f\">\n<h3>Inputs<\/h3>\n<p><label>Image width (px)<\/label><input type=\"number\" id=\"ic-w\" value=\"1920\"><label>Image height (px)<\/label><input type=\"number\" id=\"ic-h\" value=\"1080\"><label>Content type<\/label><select id=\"ic-type\"><option value=\"photo\">Photographic<\/option><option value=\"graphic\">Graphic \/ illustration<\/option><option value=\"screenshot\">Screenshot<\/option><\/select><button class=\"rt-btn\" onclick=\"calcIce()\">Estimate<\/button><\/div>\n<div class=\"rt-o\">\n<h3>Compressed Sizes<\/h3>\n<div class=\"rt-o-big\" id=\"ic-big\">\u2014<\/div>\n<p style=\"text-align:center;color:#516048;font-size:13px;margin:0 0 18px\" id=\"ic-v\">Run estimate<\/p>\n<div class=\"rt-o-row\"><span>Pixels<\/span><b id=\"ic-px\">\u2014<\/b><\/div>\n<div class=\"rt-o-row\"><span>JPG quality 60<\/span><b id=\"ic-60\">\u2014<\/b><\/div>\n<div class=\"rt-o-row\"><span>JPG quality 75<\/span><b id=\"ic-75\">\u2014<\/b><\/div>\n<div class=\"rt-o-row\"><span>JPG quality 85<\/span><b id=\"ic-85\">\u2014<\/b><\/div>\n<div class=\"rt-o-row\"><span>JPG quality 95<\/span><b id=\"ic-95\">\u2014<\/b><\/div>\n<div class=\"rt-o-row\"><span>WebP equivalent<\/span><b id=\"ic-wp\">\u2014<\/b><\/div>\n<\/div>\n<\/div>\n<p><script>function calcIce(){var w=+document.getElementById(\"ic-w\").value||0;var h=+document.getElementById(\"ic-h\").value||0;var t=document.getElementById(\"ic-type\").value;if(!w||!h)return;var px=w*h;var bppMap={photo:[0.18,0.30,0.50,0.95],graphic:[0.10,0.18,0.30,0.55],screenshot:[0.08,0.14,0.25,0.50]};var b=bppMap[t];function fmt(bits){var kb=bits\/8\/1024;return kb<1024?kb.toFixed(1)+\" KB\":(kb\/1024).toFixed(2)+\" MB\"}document.getElementById(\"ic-big\").textContent=fmt(px*b[2]);document.getElementById(\"ic-v\").textContent=\"Estimated size at JPG q85\";document.getElementById(\"ic-px\").textContent=px.toLocaleString();document.getElementById(\"ic-60\").textContent=fmt(px*b[0]);document.getElementById(\"ic-75\").textContent=fmt(px*b[1]);document.getElementById(\"ic-85\").textContent=fmt(px*b[2]);document.getElementById(\"ic-95\").textContent=fmt(px*b[3]);document.getElementById(\"ic-wp\").textContent=fmt(px*b[2]*0.65)+\" (WebP ~35% smaller than JPG)\";}<\/script><\/p>\n<h2>Quality 75-85 is the sweet spot<\/h2>\n<p>Most users cannot tell the difference between JPG q85 and q95, but the file size differs by 50-70%. For non-hero images, q75 or even q60 is invisible. Compressing aggressively saves bandwidth, improves Core Web Vitals, and reduces CDN costs at scale.<\/p>\n<h2>Frequently Asked Questions<\/h2>\n<p><strong>What about WebP?<\/strong><br \/>WebP averages 30-40% smaller than JPG at equivalent perceived quality. Modern browser support is universal. Serve WebP first with a JPG fallback.<\/p>\n<div class=\"rt-cta\">\n<h3 style=\"margin:0 0 6px\">Want a Core Web Vitals + image optimization pass on your site?<\/h3>\n<p style=\"margin:0;opacity:.95\">Riman Agency runs technical SEO + performance audits.<\/p>\n<p><a href=\"\/contact\/\">Get a Tech Audit<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Image Compression Estimator Estimate compressed file size for any image at JPG quality 60\/75\/85\/95 \u2014 useful for performance optimization and CDN cost forecasting. Inputs Image width (px)Image height (px)Content typePhotographicGraphic \/ illustrationScreenshotEstimate Compressed Sizes \u2014 Run estimate Pixels\u2014 JPG quality 60\u2014 JPG quality 75\u2014 JPG quality 85\u2014 JPG quality 95\u2014 WebP equivalent\u2014 Quality 75-85 is [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4724","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Image Compression Size Estimator - Riman Agency<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rimanagency.com\/fr\/image-compression-size-estimator\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Image Compression Size Estimator - Riman Agency\" \/>\n<meta property=\"og:description\" content=\"Image Compression Estimator Estimate compressed file size for any image at JPG quality 60\/75\/85\/95 \u2014 useful for performance optimization and CDN cost forecasting. Inputs Image width (px)Image height (px)Content typePhotographicGraphic \/ illustrationScreenshotEstimate Compressed Sizes \u2014 Run estimate Pixels\u2014 JPG quality 60\u2014 JPG quality 75\u2014 JPG quality 85\u2014 JPG quality 95\u2014 WebP equivalent\u2014 Quality 75-85 is [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rimanagency.com\/fr\/image-compression-size-estimator\/\" \/>\n<meta property=\"og:site_name\" content=\"Riman Agency\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/rimanagency.com\\\/image-compression-size-estimator\\\/\",\"url\":\"https:\\\/\\\/rimanagency.com\\\/image-compression-size-estimator\\\/\",\"name\":\"Image Compression Size Estimator - Riman Agency\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rimanagency.com\\\/#website\"},\"datePublished\":\"2026-05-09T10:06:24+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/rimanagency.com\\\/image-compression-size-estimator\\\/#breadcrumb\"},\"inLanguage\":\"fr-CA\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/rimanagency.com\\\/image-compression-size-estimator\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/rimanagency.com\\\/image-compression-size-estimator\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/rimanagency.com\\\/home\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Image Compression Size Estimator\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/rimanagency.com\\\/#website\",\"url\":\"https:\\\/\\\/rimanagency.com\\\/\",\"name\":\"Riman Agency\",\"description\":\"A Full Service Digital Marketing Agency\",\"publisher\":{\"@id\":\"https:\\\/\\\/rimanagency.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/rimanagency.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-CA\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/rimanagency.com\\\/#organization\",\"name\":\"Riman Agency\",\"url\":\"https:\\\/\\\/rimanagency.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-CA\",\"@id\":\"https:\\\/\\\/rimanagency.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/rimanagency.com\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/RIMANagency-all-logos-1-2.png\",\"contentUrl\":\"https:\\\/\\\/rimanagency.com\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/RIMANagency-all-logos-1-2.png\",\"width\":694,\"height\":211,\"caption\":\"Riman Agency\"},\"image\":{\"@id\":\"https:\\\/\\\/rimanagency.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Outil d&#039;estimation de la taille de compression d&#039;image - Agence Riman","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/rimanagency.com\/fr\/image-compression-size-estimator\/","og_locale":"fr_CA","og_type":"article","og_title":"Image Compression Size Estimator - Riman Agency","og_description":"Image Compression Estimator Estimate compressed file size for any image at JPG quality 60\/75\/85\/95 \u2014 useful for performance optimization and CDN cost forecasting. 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