{"id":14,"date":"2012-09-22T15:56:39","date_gmt":"2012-09-22T14:56:39","guid":{"rendered":"https:\/\/www.varcap-informatique.net\/tutoriels\/?p=14"},"modified":"2026-05-24T10:19:06","modified_gmt":"2026-05-24T09:19:06","slug":"comment-faire-un-code-qr","status":"publish","type":"post","link":"https:\/\/www.varcap-informatique.net\/tutoriels\/comment-faire-un-code-qr\/","title":{"rendered":"Comment faire un code QR ?"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Un peu d&rsquo;histoire&#8230;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le code QR (Quick Reponse) a \u00e9t\u00e9 cr\u00e9\u00e9 par l&rsquo;entreprise japonaise Denso-Wave en 1994 pour le suivi des pi\u00e8ces&nbsp;de voiture dans les usines de Toyota.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En 1999, Denso-Wave a publi\u00e9 le QR Code sous licence libre2 ; cela a contribu\u00e9 \u00e0 la diffusion du code au Japon.&nbsp;Ensuite, \u00e0 la fin des ann\u00e9es 2000, il est devenu l&rsquo;un des codes bidimensionnels les plus populaires dans le monde,&nbsp;et les applications de lecture de codes QR sont souvent d\u00e9j\u00e0 install\u00e9es par les fabricants dans les t\u00e9l\u00e9phones mobiles.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sa structure<\/h3>\n\n\n\n<address><img decoding=\"async\" data-src=\"https:\/\/www.varcap-informatique.net\/tutoriels\/images\/structure-codeqr.png\" alt=\"\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" class=\"lazyload\" \/><br \/>Source image : www.code-qr.net<\/address>\n\n\n\n<p class=\"wp-block-paragraph\">\u25a0 En jaune : Les donn\u00e9es cod\u00e9es (y compris la zone d&rsquo;erreur*)<br \/>\u25a0 En bleu clair : Le format d&rsquo;informations<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">* Le code QR \u00e0 une zone de correction pour que les erreurs puissent \u00eatres corrig\u00e9es.<br \/>Cette derni\u00e8re varie entre 7% et 30% suivant le niveau de correction.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Les avantages<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Contrairement au code barre classique qui peut contenir entre 10 et 13 caract\u00e8res, le code QR peut stocker&nbsp;jusqu&rsquo;\u00e0 7 089 caract\u00e8res num\u00e9riques, 4 296 caract\u00e8res alphanum\u00e9riques.<\/p>\n\n\n\n<div style=\"margin-left: 50px; text-align: left;\">Comparaison entre un code QR et un code barres classique<\/div>\n\n\n\n<div style=\"margin-left: 50px; text-align: left;\">&nbsp;<\/div>\n\n\n\n<figure class=\"wp-block-image is-style-default\"><img decoding=\"async\" width=\"300\" height=\"107\" data-src=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2014\/04\/codebarres-300x107.gif\" alt=\"codebarres\" class=\"wp-image-20 lazyload\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/107;\" \/><\/figure>\n\n\n\n<div style=\"margin-left: 50px; text-align: left;\"><\/div>\n\n\n\n<div>&nbsp;<\/div>\n\n\n\n<div>&nbsp;<\/div>\n\n\n\n<div>Ce qui permet aux codes QR de contenir des adresses web, du texte, des num\u00e9ros de t\u00e9l\u00e9phone,<br \/>des SMS ou autres types de donn\u00e9es comme le format vCard (permet l&rsquo;ajout rapide d&rsquo;un contact),<br \/>lisibles par les smartphones et les t\u00e9l\u00e9phones mobiles \u00e9quip\u00e9s d&rsquo;une application de<br \/>lecture (lecteur de QR Code ou QR reader en anglais).L&rsquo;avantage du QR Code est sa facilit\u00e9 et sa rapidit\u00e9 d&rsquo;utilisation et de cr\u00e9ation.\n<p>&nbsp;<\/p>\n<h3 style=\"text-align: left;\">Comment faire un code QR<\/h3>\n<p style=\"text-align: left;\">Mes pr\u00e9f\u00e9r\u00e9s :<strong><br \/><a href=\"http:\/\/zxing.appspot.com\/generator\" target=\"_blank\" rel=\"noopener noreferrer\">ZXing Project (gratuit)<\/a><\/strong><\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" class=\"alignnone wp-image-19 size-medium lazyload\" data-src=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2014\/04\/ZXing_project-300x132.jpg\" alt=\"ZXing_project\" width=\"300\" height=\"132\" data-srcset=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2014\/04\/ZXing_project-300x132.jpg 300w, https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2014\/04\/ZXing_project.jpg 498w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/132;\" \/><br \/>Permet de cr\u00e9er des codes QR simplement de ce que l&rsquo;on souhaite :<br \/>&#8211; Url, mail, vCard, sms, localisation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"http:\/\/delivr.com\/QR-Code-Generator\" target=\"_blank\" rel=\"noopener noreferrer\">Delivr (gratuit)<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><img decoding=\"async\" class=\"alignnone size-medium wp-image-18 lazyload\" data-src=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2014\/04\/Delivr-300x177.jpg\" alt=\"Delivr\" width=\"300\" height=\"177\" data-srcset=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2014\/04\/Delivr-300x177.jpg 300w, https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2014\/04\/Delivr.jpg 498w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/177;\" \/><br \/>Permet de cr\u00e9er des codes QR simplement de ce que l&rsquo;on souhaite :<br \/>&#8211; Url, mail, vCard, sms, localisation, tweet et vous avez le choix de la couleur de fond.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"http:\/\/www.qrstuff.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">Qrstuff (gratuit)<\/a><\/strong><\/p>\n\n\n\n<address><img decoding=\"async\" class=\"alignnone size-medium wp-image-17 lazyload\" data-src=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2014\/04\/qrstuff-300x161.jpg\" alt=\"qrstuff\" width=\"300\" height=\"161\" data-srcset=\"https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2014\/04\/qrstuff-300x161.jpg 300w, https:\/\/www.varcap-informatique.net\/tutoriels\/wp-content\/uploads\/2014\/04\/qrstuff.jpg 498w\" data-sizes=\"(max-width: 300px) 100vw, 300px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 300px; --smush-placeholder-aspect-ratio: 300\/161;\" \/><br \/>Source : Wikip\u00e9dia<\/address>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"dep-banner\"><\/div>\n<script>\n(function() {\n  \/\/ Coordonn\u00e9es centre de Dijon\n  var DIJON_LAT = 47.3220;\n  var DIJON_LNG = 5.0415;\n  var RAYON_KM  = 100;\n\n  function distanceKm(lat1, lng1, lat2, lng2) {\n    var R = 6371;\n    var dLat = (lat2 - lat1) * Math.PI \/ 180;\n    var dLng = (lng2 - lng1) * Math.PI \/ 180;\n    var a = Math.sin(dLat\/2) * Math.sin(dLat\/2)\n          + Math.cos(lat1 * Math.PI\/180) * Math.cos(lat2 * Math.PI\/180)\n          * Math.sin(dLng\/2) * Math.sin(dLng\/2);\n    return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));\n  }\n\n  function bannerDijon() {\n    return '<div style=\"background:#1a2e4a;border-radius:12px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px;\">'\n      + '<div>'\n      + '<div style=\"display:inline-block;background:#c8952a;color:#fff;font-size:12px;font-weight:600;padding:3px 12px;border-radius:20px;margin-bottom:10px;\">Particuliers &amp; entreprises<\/div>'\n      + '<div style=\"color:#fff;font-size:17px;font-weight:600;margin-bottom:8px;\">D\u00e9pannage informatique \u00e0 domicile \u2014 Dijon<\/div>'\n      + '<div style=\"color:#a8c8f0;font-size:14px;\">Devis gratuit \u00b7 Intervention sous 48h<\/div>'\n      + '<\/div>'\n      + '<a href=\"https:\/\/depannage-informatique-21.fr\" style=\"background:#c8952a;color:#fff;font-size:14px;font-weight:700;padding:12px 20px;border-radius:8px;text-decoration:none;white-space:nowrap;flex-shrink:0;\">En savoir plus \u2192<\/a>'\n      + '<\/div>';\n  }\n\n  function bannerParis() {\n    return '<div style=\"background:#1a2e4a;border-radius:12px;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px;\">'\n      + '<div>'\n      + '<div style=\"display:inline-block;background:#c8952a;color:#fff;font-size:12px;font-weight:600;padding:3px 12px;border-radius:20px;margin-bottom:10px;\">Particuliers &amp; entreprises<\/div>'\n      + '<div style=\"color:#fff;font-size:17px;font-weight:600;margin-bottom:8px;\">D\u00e9pannage informatique \u00e0 domicile ou sur site \u2014 Paris &amp; banlieue<\/div>'\n      + '<div style=\"color:#a8c8f0;font-size:14px;\">\u2605\u2605\u2605\u2605\u2605 4,8\/5 sur Google \u00b7 Devis gratuit \u00b7 Intervention sous 24h \u00e0 48h<\/div>'\n      + '<\/div>'\n      + '<a href=\"https:\/\/depannage-informatique-75019.paris\" style=\"background:#c8952a;color:#fff;font-size:14px;font-weight:700;padding:12px 20px;border-radius:8px;text-decoration:none;white-space:nowrap;flex-shrink:0;\">En savoir plus \u2192<\/a>'\n      + '<\/div>';\n  }\n\n  function show(html) {\n    document.getElementById('dep-banner').innerHTML = html;\n  }\n\n  fetch('https:\/\/ipwho.is\/')\n    .then(function(r) { return r.json(); })\n    .then(function(d) {\n      if (d.success && d.latitude && d.longitude) {\n        var dist = distanceKm(d.latitude, d.longitude, DIJON_LAT, DIJON_LNG);\n        show(dist <= RAYON_KM ? bannerDijon() : bannerParis());\n      } else {\n        show(bannerParis());\n      }\n    })\n    .catch(function() { show(bannerParis()); });\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Un peu d&rsquo;histoire&#8230; Le code QR (Quick Reponse) a \u00e9t\u00e9 cr\u00e9\u00e9 par l&rsquo;entreprise japonaise Denso-Wave en 1994 pour le suivi des pi\u00e8ces&nbsp;de voiture dans les usines de Toyota. En 1999, Denso-Wave a publi\u00e9 le QR Code sous licence libre2 ; cela a contribu\u00e9 \u00e0 la diffusion du code au Japon.&nbsp;Ensuite, \u00e0 la fin des ann\u00e9es [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[432],"tags":[],"class_list":["post-14","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-autre"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"Un peu d&#039;histoire... Le code QR (Quick Reponse) a \u00e9t\u00e9 cr\u00e9\u00e9 par l&#039;entreprise japonaise Denso-Wave en 1994 pour le suivi des pi\u00e8ces de voiture dans les usines de Toyota. En 1999, Denso-Wave a publi\u00e9 le QR Code sous licence libre2 ; cela a contribu\u00e9 \u00e0 la diffusion du code au Japon. Ensuite, \u00e0 la fin des ann\u00e9es\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Arnault\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.varcap-informatique.net\/tutoriels\/comment-faire-un-code-qr\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"\u00a0Varcap Informatique\u00a0 - Les Tutoriels\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Comment faire un code QR ?\" \/>\n\t\t<meta property=\"og:description\" content=\"Un peu d&#039;histoire... 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