{"id":5145,"date":"2026-06-18T13:57:48","date_gmt":"2026-06-18T13:57:48","guid":{"rendered":"https:\/\/rimanagency.com\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\/"},"modified":"2026-06-18T15:40:04","modified_gmt":"2026-06-18T15:40:04","slug":"image-compressor-compress-jpg-png-webp-online-adjustable-quality","status":"publish","type":"page","link":"https:\/\/rimanagency.com\/fr\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\/","title":{"rendered":"Compresseur d&#039;images \u2014 Compressez en ligne les formats JPG, PNG et WebP (Qualit\u00e9 ajustable)"},"content":{"rendered":"\n<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-tool{background:#fff;border:1px solid #e0e6d8;border-radius:12px;padding:22px;margin:0 0 24px}.rt-tool h3{margin:0 0 14px;color:#4a6320;font-size:18px}.rt-drop{display:block;border:2px dashed #d4dac6;border-radius:10px;padding:32px 20px;text-align:center;background:#fafafa;cursor:pointer;transition:all .2s;position:relative}.rt-drop:hover,.rt-drop.hover{border-color:#719430;background:#f1f5e8}.rt-drop .rt-drop-main{display:block;margin:0 0 6px;font-size:15px;color:#516048}.rt-drop .rt-drop-sub{display:block;font-size:12px;color:#888}.rt-drop input[type=file]{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}.rt-btn{background:#719430;color:#fff;border:none;padding:10px 18px;border-radius:6px;font-weight:700;cursor:pointer;font-size:14px}.rt-btn:hover{background:#4a6320}.rt-ctrl{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:14px 0}.rt-ctrl label{display:block;font-size:12px;color:#516048;font-weight:600;margin-bottom:4px}.rt-ctrl input,.rt-ctrl select{width:100%;padding:8px;border:1px solid #d4dac6;border-radius:6px;font-size:13px;box-sizing:border-box}.rt-result{margin-top:14px}.rt-cta{background:linear-gradient(135deg,#719430,#4a6320);color:#fff;border-radius:14px;padding:32px;text-align:center;margin:30px 0}.rt-cta h3{margin:0 0 6px;color:#fff}.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}<\/style>\r\n<div class=\"rt-h\">\r\n<h1>Image Compressor<\/h1>\r\nCompress JPG, PNG, and WebP images in your browser with adjustable quality. No upload \u2014 everything runs locally so your files never leave your device. Slash file size 60-90% without visible quality loss.\r\n\r\n<\/div>\r\n<div class=\"rt-tool\">\r\n<h3>Upload an image<\/h3>\r\n<div id=\"ic-drop\" class=\"rt-drop\"><span class=\"rt-drop-main\"><b>Click to upload or drag an image here<\/b><\/span><span class=\"rt-drop-sub\">JPG, PNG, WebP \u2014 runs locally, no upload<\/span><input id=\"ic-file\" accept=\"image\/*\" type=\"file\" \/><\/div>\r\n<div class=\"rt-ctrl\">\r\n<div><label>Output format<\/label><select id=\"ic-format\">\r\n<option value=\"jpeg\">JPEG (best for photos)<\/option>\r\n<option value=\"webp\">WebP (smallest, modern)<\/option>\r\n<option value=\"png\">PNG (lossless)<\/option>\r\n<\/select><\/div>\r\n<div>\r\n\r\n<label>Quality (1-100)<\/label><input id=\"ic-quality\" max=\"100\" min=\"1\" type=\"range\" value=\"80\" \/>\r\n<div id=\"ic-quality-val\" style=\"font-size: 12px; color: #516048; margin-top: 2px;\">80%<\/div>\r\n<\/div>\r\n<\/div>\r\n<div id=\"ic-result\" class=\"rt-result\"><\/div>\r\n<\/div>\r\n<script>(function(){var drop=document.getElementById('ic-drop'),file=document.getElementById('ic-file');drop.addEventListener('click',function(e){if(e.target.tagName!=='INPUT')file.click();});['dragover','dragenter'].forEach(function(e){drop.addEventListener(e,function(ev){ev.preventDefault();drop.classList.add('hover');});});['dragleave','drop'].forEach(function(e){drop.addEventListener(e,function(){drop.classList.remove('hover');});});drop.addEventListener('drop',function(e){e.preventDefault();if(e.dataTransfer.files[0])handleFile(e.dataTransfer.files[0]);});file.addEventListener('change',function(e){if(e.target.files[0])handleFile(e.target.files[0]);});function fmtSize(b){if(b===0)return '0 B';var i=Math.floor(Math.log(b)\/Math.log(1024));var u=['B','KB','MB','GB'];return (b\/Math.pow(1024,i)).toFixed(1)+' '+u[i];}function mkDiv(c){var d=document.createElement('div');d.style.cssText=c;return d;}var format=document.getElementById('ic-format'),quality=document.getElementById('ic-quality'),qVal=document.getElementById('ic-quality-val'),result=document.getElementById('ic-result'),orig=null,origSize=0;quality.addEventListener('input',function(){qVal.textContent=quality.value+'%';if(orig)compress();});format.addEventListener('change',function(){if(orig)compress();});function handleFile(f){origSize=f.size;var r=new FileReader();r.onload=function(ev){var img=new Image();img.onload=function(){orig=img;compress();};img.src=ev.target.result;};r.readAsDataURL(f);}function compress(){var canvas=document.createElement('canvas');canvas.width=orig.width;canvas.height=orig.height;var ctx=canvas.getContext('2d');ctx.drawImage(orig,0,0);var mime='image\/'+format.value;var q=quality.value\/100;canvas.toBlob(function(blob){var url=URL.createObjectURL(blob);var pct=(100-(blob.size\/origSize*100)).toFixed(1);result.textContent='';var row=mkDiv('display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px');var c1=mkDiv('background:#fafafa;border:1px solid #e0e6d8;border-radius:8px;padding:12px');var l1=mkDiv('font-size:11px;color:#516048;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px');l1.textContent='Original';var s1=mkDiv('font-weight:700;color:#4a6320;font-size:18px');s1.textContent=fmtSize(origSize);var d1=mkDiv('font-size:12px;color:#516048');d1.textContent=orig.width+' x '+orig.height+' px';c1.appendChild(l1);c1.appendChild(s1);c1.appendChild(d1);var c2=mkDiv('background:#f1f5e8;border:1px solid #c4d49e;border-radius:8px;padding:12px');var l2=mkDiv('font-size:11px;color:#516048;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px');l2.textContent='Compressed';var s2=mkDiv('font-weight:700;color:#719430;font-size:18px');s2.textContent=fmtSize(blob.size);var d2=mkDiv('font-size:12px;color:#719430;font-weight:600');d2.textContent=pct+' percent smaller';c2.appendChild(l2);c2.appendChild(s2);c2.appendChild(d2);row.appendChild(c1);row.appendChild(c2);result.appendChild(row);var dl=mkDiv('text-align:center;margin-top:14px');var a=document.createElement('a');a.href=url;a.download='compressed.'+format.value;a.textContent='Download compressed image';a.style.cssText='background:#719430;color:#fff;padding:10px 18px;border-radius:6px;font-weight:700;text-decoration:none;display:inline-block';dl.appendChild(a);result.appendChild(dl);var prev=mkDiv('margin-top:14px;text-align:center');var img=document.createElement('img');img.src=url;img.style.cssText='max-width:100%;max-height:300px;border:1px solid #e0e6d8;border-radius:8px';prev.appendChild(img);result.appendChild(prev);},mime,q);}})();<\/script>\r\n<h2>How to use the Image Compressor<\/h2>\r\nClick the upload box (or drag an image onto it). Choose an output format \u2014 JPEG for photos, WebP for the smallest size, PNG for lossless. Adjust the quality slider to balance size and visual quality. The compressed image appears with size comparison and a download button. Everything runs in your browser \u2014 your files never leave your device.\r\n<h2>Why this tool matters<\/h2>\r\nImage weight is the single biggest factor in page speed for content-heavy sites. Uncompressed photos straight from a phone average 3-8 MB each. Smart compression to 200-400 KB looks identical to the human eye but makes pages load 10\u00d7 faster on slow connections \u2014 improving Core Web Vitals, lowering bounce rate, and lifting SEO rankings.\r\n<h2>Common use cases<\/h2>\r\n<ul>\r\n \t<li>Compressing blog post header images before upload to WordPress<\/li>\r\n \t<li>Preparing product photos for e-commerce sites<\/li>\r\n \t<li>Shrinking screenshots for documentation and READMEs<\/li>\r\n \t<li>Reducing email-attachment images below provider limits<\/li>\r\n \t<li>Optimizing images for slow-connection users in emerging markets<\/li>\r\n \t<li>Batch-compressing photos before uploading to social media<\/li>\r\n<\/ul>\r\n<h2>When to use JPEG vs PNG vs WebP<\/h2>\r\nJPEG: photos, gradients, anything continuous-tone. PNG: logos, screenshots, anything with sharp edges or transparency. WebP: best compression for both photo and graphic \u2014 ~30% smaller than JPEG at equivalent quality, ~25% smaller than PNG. Use WebP if your audience uses modern browsers (97%+ as of 2026) and your CDN\/CMS supports it.\r\n<h2>Frequently Asked Questions<\/h2>\r\n<strong>What is the right quality setting?<\/strong>\r\n80-90 looks indistinguishable from original for most photos. 70-80 is the sweet spot for web (often 60-70% size reduction). Below 70 starts to show visible artifacts on solid color regions.\r\n\r\n<strong>Does the tool upload my image anywhere?<\/strong>\r\nNo \u2014 everything runs in your browser using the Canvas API. Your image never leaves your device. Safe for confidential photos, internal screenshots, and customer data.\r\n\r\n<strong>Why is my PNG bigger than the JPG?<\/strong>\r\nPNG is lossless \u2014 it preserves every pixel exactly. JPG discards some data the human eye barely notices. For photos, JPG is always smaller. For text\/logos\/screenshots, PNG often wins because JPG\\u2019s artifacts on sharp edges look worse.\r\n\r\n<strong>How small can I go without visible quality loss?<\/strong>\r\nFor photos at typical web sizes (1200-2000px wide), 70-80% quality JPEG or WebP usually achieves 70-85% file size reduction without visible artifacts. Test at the size your audience will actually view.\r\n<div class=\"rt-cta\">\r\n<h3>Building a content workflow that needs every image perfectly optimized?<\/h3>\r\n<p style=\"margin: 0; opacity: .95;\">Riman Agency builds content production systems for SaaS and DTC brands.<\/p>\r\n<a href=\"\/contact\/\">Talk to Content Ops<\/a>\r\n\r\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Image Compressor Compress JPG, PNG, and WebP images in your browser with adjustable quality. No upload \u2014 everything runs locally so your files never leave your device. Slash file size 60-90% without visible quality loss. Upload an image Click to upload or drag an image hereJPG, PNG, WebP \u2014 runs locally, no upload Output formatJPEG [&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-5145","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Image Compressor \u2014 Compress JPG, PNG &amp; WebP Online (Adjustable Quality) - 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-compressor-compress-jpg-png-webp-online-adjustable-quality\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Image Compressor \u2014 Compress JPG, PNG &amp; WebP Online (Adjustable Quality) - Riman Agency\" \/>\n<meta property=\"og:description\" content=\"Image Compressor Compress JPG, PNG, and WebP images in your browser with adjustable quality. No upload \u2014 everything runs locally so your files never leave your device. Slash file size 60-90% without visible quality loss. Upload an image Click to upload or drag an image hereJPG, PNG, WebP \u2014 runs locally, no upload Output formatJPEG [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/rimanagency.com\/fr\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\/\" \/>\n<meta property=\"og:site_name\" content=\"Riman Agency\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-18T15:40:04+00:00\" \/>\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=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/rimanagency.com\\\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\\\/\",\"url\":\"https:\\\/\\\/rimanagency.com\\\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\\\/\",\"name\":\"Image Compressor \u2014 Compress JPG, PNG & WebP Online (Adjustable Quality) - Riman Agency\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/rimanagency.com\\\/#website\"},\"datePublished\":\"2026-06-18T13:57:48+00:00\",\"dateModified\":\"2026-06-18T15:40:04+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/rimanagency.com\\\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\\\/#breadcrumb\"},\"inLanguage\":\"fr-CA\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/rimanagency.com\\\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/rimanagency.com\\\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/rimanagency.com\\\/home\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Image Compressor \u2014 Compress JPG, PNG &#038; WebP Online (Adjustable Quality)\"}]},{\"@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":"Image Compressor \u2014 Compress JPG, PNG & WebP Online (Adjustable Quality) - Riman Agency","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-compressor-compress-jpg-png-webp-online-adjustable-quality\/","og_locale":"fr_CA","og_type":"article","og_title":"Image Compressor \u2014 Compress JPG, PNG & WebP Online (Adjustable Quality) - Riman Agency","og_description":"Image Compressor Compress JPG, PNG, and WebP images in your browser with adjustable quality. No upload \u2014 everything runs locally so your files never leave your device. Slash file size 60-90% without visible quality loss. Upload an image Click to upload or drag an image hereJPG, PNG, WebP \u2014 runs locally, no upload Output formatJPEG [&hellip;]","og_url":"https:\/\/rimanagency.com\/fr\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\/","og_site_name":"Riman Agency","article_modified_time":"2026-06-18T15:40:04+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/rimanagency.com\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\/","url":"https:\/\/rimanagency.com\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\/","name":"Image Compressor \u2014 Compress JPG, PNG & WebP Online (Adjustable Quality) - Riman Agency","isPartOf":{"@id":"https:\/\/rimanagency.com\/#website"},"datePublished":"2026-06-18T13:57:48+00:00","dateModified":"2026-06-18T15:40:04+00:00","breadcrumb":{"@id":"https:\/\/rimanagency.com\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\/#breadcrumb"},"inLanguage":"fr-CA","potentialAction":[{"@type":"ReadAction","target":["https:\/\/rimanagency.com\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/rimanagency.com\/image-compressor-compress-jpg-png-webp-online-adjustable-quality\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/rimanagency.com\/home\/"},{"@type":"ListItem","position":2,"name":"Image Compressor \u2014 Compress JPG, PNG &#038; WebP Online (Adjustable Quality)"}]},{"@type":"WebSite","@id":"https:\/\/rimanagency.com\/#website","url":"https:\/\/rimanagency.com\/","name":"Agence Riman","description":"Une agence de marketing num\u00e9rique \u00e0 service complet","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":"Agence Riman","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\/"}}]}},"_links":{"self":[{"href":"https:\/\/rimanagency.com\/fr\/wp-json\/wp\/v2\/pages\/5145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rimanagency.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/rimanagency.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/rimanagency.com\/fr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/rimanagency.com\/fr\/wp-json\/wp\/v2\/comments?post=5145"}],"version-history":[{"count":8,"href":"https:\/\/rimanagency.com\/fr\/wp-json\/wp\/v2\/pages\/5145\/revisions"}],"predecessor-version":[{"id":5216,"href":"https:\/\/rimanagency.com\/fr\/wp-json\/wp\/v2\/pages\/5145\/revisions\/5216"}],"wp:attachment":[{"href":"https:\/\/rimanagency.com\/fr\/wp-json\/wp\/v2\/media?parent=5145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}