{"id":5152,"date":"2026-06-18T14:00:28","date_gmt":"2026-06-18T14:00:28","guid":{"rendered":"https:\/\/rimanagency.com\/image-cropper-crop-to-square-169-916-45-custom-ratios-online\/"},"modified":"2026-06-18T15:53:40","modified_gmt":"2026-06-18T15:53:40","slug":"image-cropper-crop-to-square-169-916-45-custom-ratios-online","status":"publish","type":"page","link":"https:\/\/rimanagency.com\/fr\/image-cropper-crop-to-square-169-916-45-custom-ratios-online\/","title":{"rendered":"Outil de recadrage d&#039;images\u00a0\u2014 Recadrer au format carr\u00e9, 16:9, 9:16, 4:5 et formats personnalis\u00e9s en ligne"},"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><div class=\"rt-h\"><h1>Image Cropper<\/h1><p>Crop any image to a specific aspect ratio \u2014 Instagram square (1:1), Reels\/Stories (9:16), YouTube (16:9), Pinterest (2:3), Twitter card (1.91:1), Facebook cover, or any custom ratio.<\/p><\/div><div class=\"rt-tool\"><h3>Upload an image<\/h3><div class=\"rt-drop\" id=\"ic-drop\" onclick=\"document.getElementById('ic-file').click()\"><span class=\"rt-drop-main\"><b>Click to upload or drag here<\/b><\/span><span class=\"rt-drop-sub\">Pick aspect ratio after upload<\/span><input type=\"file\" id=\"ic-file\" accept=\"image\/*\"><\/div><div id=\"ic-workarea\" style=\"margin-top:14px;display:none\"><div class=\"rt-ctrl\"><div><label>Aspect ratio preset<\/label><select id=\"ic-preset\"><option value=\"1:1\">Square 1:1 (Instagram feed)<\/option><option value=\"9:16\">9:16 (Reels, Stories, TikTok)<\/option><option value=\"16:9\">16:9 (YouTube, presentation)<\/option><option value=\"4:5\">4:5 (Instagram portrait \u2014 highest reach)<\/option><option value=\"2:3\">2:3 (Pinterest)<\/option><option value=\"3:2\">3:2 (DSLR photo standard)<\/option><option value=\"1.91:1\">1.91:1 (Open Graph, Twitter card)<\/option><option value=\"custom\">Custom (enter ratio below)<\/option><\/select><\/div><div><label>Custom W:H<\/label><input type=\"text\" id=\"ic-ratio\" value=\"1:1\" placeholder=\"e.g. 16:9\"><\/div><\/div><div style=\"text-align:center;margin-top:14px\"><canvas id=\"ic-canvas\" style=\"max-width:100%;max-height:380px;border:1px solid #e0e6d8;border-radius:8px;background:#fafafa\"><\/canvas><\/div><div style=\"font-size:13px;color:#516048;margin-top:8px;text-align:center\" id=\"ic-dims\"><\/div><button class=\"rt-btn\" id=\"ic-go\" style=\"width:100%;margin-top:14px\">Download Cropped Image<\/button><\/div><\/div><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 mkDiv(c){var d=document.createElement('div');d.style.cssText=c;return d;}var img=new Image();var state={x:0,y:0,w:0,h:0,ratio:'free',iw:0,ih:0,scale:1};var canvas=document.getElementById('ic-canvas'),wrap=document.getElementById('ic-canvas-wrap'),ctx=canvas.getContext('2d');function handleFile(f){var r=new FileReader();r.onload=function(ev){img=new Image();img.onload=function(){state.iw=img.width;state.ih=img.height;var maxW=720;state.scale=Math.min(maxW\/img.width,1);canvas.width=Math.round(img.width*state.scale);canvas.height=Math.round(img.height*state.scale);state.x=Math.round(canvas.width*0.15);state.y=Math.round(canvas.height*0.15);state.w=Math.round(canvas.width*0.7);state.h=Math.round(canvas.height*0.7);wrap.style.display='block';draw();showControls();};img.src=ev.target.result;};r.readAsDataURL(f);}function draw(){ctx.drawImage(img,0,0,canvas.width,canvas.height);ctx.fillStyle='rgba(0,0,0,0.5)';ctx.fillRect(0,0,canvas.width,canvas.height);ctx.clearRect(state.x,state.y,state.w,state.h);ctx.drawImage(img,state.x\/state.scale,state.y\/state.scale,state.w\/state.scale,state.h\/state.scale,state.x,state.y,state.w,state.h);ctx.strokeStyle='#719430';ctx.lineWidth=2;ctx.strokeRect(state.x,state.y,state.w,state.h);}var drag=null;canvas.addEventListener('mousedown',function(e){var rect=canvas.getBoundingClientRect();var sx=canvas.width\/rect.width,sy=canvas.height\/rect.height;var mx=(e.clientX-rect.left)*sx,my=(e.clientY-rect.top)*sy;if(mx-state.x===Math.max(mx-state.x,0)&&mx-(state.x+state.w)===Math.min(mx-(state.x+state.w),0)&&my-state.y===Math.max(my-state.y,0)&&my-(state.y+state.h)===Math.min(my-(state.y+state.h),0)){drag={ox:mx-state.x,oy:my-state.y};}});canvas.addEventListener('mousemove',function(e){if(!drag)return;var rect=canvas.getBoundingClientRect();var sx=canvas.width\/rect.width,sy=canvas.height\/rect.height;var mx=(e.clientX-rect.left)*sx,my=(e.clientY-rect.top)*sy;state.x=Math.max(0,Math.min(canvas.width-state.w,mx-drag.ox));state.y=Math.max(0,Math.min(canvas.height-state.h,my-drag.oy));draw();});canvas.addEventListener('mouseup',function(){drag=null;});canvas.addEventListener('mouseleave',function(){drag=null;});function applyRatio(rat){state.ratio=rat;if(rat==='free')return;var parts=rat.split(':');var rw=Number(parts[0]),rh=Number(parts[1]);var aspect=rw\/rh;var newH=state.w\/aspect;if(newH-canvas.height===Math.min(newH-canvas.height,0)){state.h=newH;}else{state.h=canvas.height;state.w=canvas.height*aspect;}state.x=Math.max(0,Math.min(canvas.width-state.w,state.x));state.y=Math.max(0,Math.min(canvas.height-state.h,state.y));draw();}function showControls(){var r=document.getElementById('ic-result');r.textContent='';var box=mkDiv('background:#fafafa;border:1px solid #e0e6d8;border-radius:8px;padding:14px;margin-top:14px');var lbl=mkDiv('font-size:12px;color:#719430;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px');lbl.textContent='Aspect Ratio';box.appendChild(lbl);var btns=mkDiv('display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px');['free','1:1','4:3','16:9','3:2','9:16'].forEach(function(rt){var b=document.createElement('button');b.type='button';b.textContent=rt;b.style.cssText='background:#fff;border:1px solid #d4dac6;color:#222;padding:8px 14px;border-radius:5px;cursor:pointer;font-size:12px;font-weight:600';b.addEventListener('click',function(){applyRatio(rt);});btns.appendChild(b);});box.appendChild(btns);var dl=document.createElement('button');dl.type='button';dl.textContent='Download cropped image';dl.style.cssText='background:#719430;color:#fff;border:none;padding:10px 18px;border-radius:5px;cursor:pointer;font-weight:600;font-size:13px';dl.addEventListener('click',function(){var cv=document.createElement('canvas');cv.width=Math.round(state.w\/state.scale);cv.height=Math.round(state.h\/state.scale);var c=cv.getContext('2d');c.drawImage(img,state.x\/state.scale,state.y\/state.scale,state.w\/state.scale,state.h\/state.scale,0,0,cv.width,cv.height);cv.toBlob(function(blob){var a=document.createElement('a');a.href=URL.createObjectURL(blob);a.download='cropped-'+cv.width+'x'+cv.height+'.png';a.click();},'image\/png');});box.appendChild(dl);r.appendChild(box);}})();<\/script><h2>How to use the Image Cropper<\/h2><p>Upload image. Pick aspect ratio preset or Custom. Tool center-crops to chosen ratio with live preview. Click Download.<\/p><h2>Why this tool matters<\/h2><p>Every social platform expects different aspect ratios. Pre-cropping to the right ratio guarantees your composition lands as intended.<\/p><h2>Common use cases<\/h2><ul><li>Instagram feed squares<\/li><li>9:16 Stories from horizontal video<\/li><li>Blog post embeds from slides<\/li><li>Pinterest pins<\/li><li>Twitter card images<\/li><li>Multiple crops of hero photos<\/li><\/ul><h2>Center crop vs smart crop<\/h2><p>Our tool center-crops. For off-center subjects, use a desktop image editor for manual control.<\/p><h2>Frequently Asked Questions<\/h2><p><strong>Adjust crop position?<\/strong><br>Currently center-crop only.<\/p><p><strong>Why 4:5 highest reach?<\/strong><br>Instagram feed favors taller ratios.<\/p><p><strong>What is 1.91:1?<\/strong><br>Open Graph and Twitter large card standard.<\/p><p><strong>Portrait crop?<\/strong><br>Yes \u2014 any ratio where height exceeds width.<\/p><div class=\"rt-cta\"><h3>Need a creative production system that ships every aspect ratio?<\/h3><p style=\"margin:0;opacity:.95\">Riman Agency builds creative pipelines.<\/p><a href=\"\/contact\/\">Talk to Creative Ops<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Image Cropper Crop any image to a specific aspect ratio \u2014 Instagram square (1:1), Reels\/Stories (9:16), YouTube (16:9), Pinterest (2:3), Twitter card (1.91:1), Facebook cover, or any custom ratio. Upload an image Click to upload or drag herePick aspect ratio after upload Aspect ratio presetSquare 1:1 (Instagram feed)9:16 (Reels, Stories, TikTok)16:9 (YouTube, presentation)4:5 (Instagram portrait [&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-5152","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 Cropper \u2014 Crop to Square, 16:9, 9:16, 4:5 &amp; Custom Ratios Online - 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-cropper-crop-to-square-169-916-45-custom-ratios-online\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Image Cropper \u2014 Crop to Square, 16:9, 9:16, 4:5 &amp; Custom Ratios Online - Riman Agency\" \/>\n<meta property=\"og:description\" content=\"Image Cropper Crop any image to a specific aspect ratio \u2014 Instagram square (1:1), Reels\/Stories (9:16), YouTube (16:9), Pinterest (2:3), Twitter card (1.91:1), Facebook cover, or any custom ratio. 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