{"id":142,"date":"2026-08-20T19:17:30","date_gmt":"2026-08-20T19:17:30","guid":{"rendered":"https:\/\/netguide.io\/tools\/qr-code-generator\/"},"modified":"2026-08-20T19:17:30","modified_gmt":"2026-08-20T19:17:30","slug":"qr-code-generator","status":"publish","type":"post","link":"https:\/\/netguide.io\/tools\/de\/qr-code-generator\/","title":{"rendered":"QR-Code-Generator"},"content":{"rendered":"<div id=\"netgu-1533509227\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<style>\n.wp-qr-container { max-width:100%; background:#fff; padding:20px; border:1px solid #ddd; border-radius:10px; font-family:-apple-system, sans-serif; color:#333; }\n.wp-qr-title { margin:0 0 15px 0; color:#2271b1; font-size:1.4rem; }\n.wp-qr-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(140px, 1fr)); gap:12px; margin-bottom:10px; }\n.wp-qr-input-group label { display:block; font-size:11px; font-weight:bold; margin-bottom:4px; text-transform:uppercase; color:#666; }\n.wp-qr-input-group input, .wp-qr-input-group select { width:100%; padding:8px; border:1px solid #ccc; border-radius:4px; box-sizing:border-box; }\n.wp-qr-checkbox-group { margin:15px 0; font-size:12px; display:flex; align-items:center; gap:8px; color:#666; }\n.wp-qr-note { font-size:12px; color:#666; margin-top:12px; min-height:1em; }\n.wp-qr-warn { color:#d63638; font-weight:bold; }\n.wp-qr-results { margin-top:20px; border-top:2px solid #eee; padding-top:15px; }\n.wp-qr-res-item { display:flex; justify-content:space-between; margin-bottom:6px; font-size:14px; gap:10px; }\n.wp-qr-total { font-weight:bold; font-size:18px; color:#2271b1; margin:10px 0; padding:5px 0; border-top:1px solid #eee; border-bottom:1px solid #eee; }\n.wp-qr-val { color:#2271b1; font-weight:bold; }\n.wp-qr-out { width:100%; box-sizing:border-box; padding:10px; border:1px solid #ccc; border-radius:4px; font-family:monospace; font-size:13px; word-break:break-all; background:#f7f7f7; margin-top:6px; }\n.wp-qr-btn { background:#2271b1; color:#fff; border:none; padding:9px 14px; border-radius:4px; cursor:pointer; font-size:13px; margin-top:10px; }\n<\/style><div class=\"wp-qr-container\">\n  <h3 class=\"wp-qr-title\">QR-Code-Generator<\/h3>\n  <div class=\"wp-qr-grid\">\n    <div class=\"wp-qr-input-group\" style=\"grid-column:1\/-1;\"><label>URL oder Text<\/label><input type=\"text\" id=\"qr-text\" value=\"https:\/\/netguide.io\" oninput=\"genQr()\"><\/div>\n    <div class=\"wp-qr-input-group\"><label>Gr\u00f6\u00dfe (px)<\/label><input type=\"number\" id=\"qr-size\" value=\"220\" min=\"80\" max=\"600\" step=\"10\" oninput=\"genQr()\"><\/div>\n    <div class=\"wp-qr-input-group\"><label>Fehlerkorrektur<\/label><select id=\"qr-level\" onchange=\"genQr()\">\n      <option value=\"L\">L (7%)<\/option><option value=\"M\" selected>M (15%)<\/option><option value=\"Q\">Q (25%)<\/option><option value=\"H\">H (30%)<\/option>\n    <\/select><\/div>\n  <\/div>\n  <div id=\"qr-box\" style=\"margin-top:16px; display:flex; justify-content:center;\"><\/div>\n  <div style=\"text-align:center; margin-top:10px;\"><a id=\"qr-dl\" class=\"wp-qr-btn\" download=\"qrcode.png\" style=\"display:none; text-decoration:none;\">Als PNG herunterladen<\/a><\/div>\n  <div class=\"wp-qr-note\">H\u00f6here Fehlerkorrektur (Q\/H) macht den Code robuster gegen Besch\u00e4digung, aber dichter. Erzeugung erfolgt lokal im Browser.<\/div>\n<\/div>\n<script src=\"https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/qrcodejs\/1.0.0\/qrcode.min.js\"><\/script>\n<script>\nfunction genQr(){\n  var text=document.getElementById('qr-text').value||'https:\/\/netguide.io';\n  var size=parseInt(document.getElementById('qr-size').value,10)||220;\n  if(size<80)size=80; if(size>600)size=600;\n  var lvl=document.getElementById('qr-level').value;\n  var box=document.getElementById('qr-box'); var dl=document.getElementById('qr-dl');\n  if(typeof QRCode==='undefined'){ box.innerText='\u2026'; setTimeout(genQr,300); return; }\n  box.innerHTML=''; if(dl) dl.style.display='none';\n  new QRCode(box,{ text:text, width:size, height:size, correctLevel:(QRCode.CorrectLevel[lvl]||QRCode.CorrectLevel.M) });\n  setTimeout(function(){ var c=box.querySelector('canvas'); if(c && dl){ try{ dl.href=c.toDataURL('image\/png'); dl.style.display='inline-block'; }catch(e){} } },60);\n}\nwindow.addEventListener('load', genQr);\n<\/script>\n\n\n<div id=\"netgu-3234015487\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- NetGuide.io-After-Widget-Tools -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-6258556257245998\"\r\n     data-ad-slot=\"5175852350\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">QR-Codes einfach erstellen<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gib eine URL oder einen beliebigen Text ein \u2013 der QR-Code wird sofort erzeugt und l\u00e4sst sich als PNG herunterladen. Ideal f\u00fcr Visitenkarten, Plakate, WLAN-Zug\u00e4nge oder Links zu deiner Seite.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Gr\u00f6\u00dfe:<\/strong> F\u00fcr den Druck ruhig 300 px oder mehr w\u00e4hlen, damit der Code auch aus der Ferne scannbar bleibt.<\/li>\n\n\n<li><strong>Fehlerkorrektur:<\/strong> Stufe L bis H \u2013 h\u00f6here Stufen tolerieren Kratzer oder Logos in der Mitte, brauchen aber mehr Module.<\/li>\n\n\n<li><strong>Datenschutz:<\/strong> Der Code wird komplett im Browser berechnet, dein Text verl\u00e4sst den Rechner nicht.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Verwandte Tools<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"\/tools\/de\/base64-encoder-decoder\/\">Base64 Encoder \/ Decoder<\/a><\/li>\n\n\n<li><a href=\"\/tools\/de\/uuid-generator\/\">UUID-Generator (v4)<\/a><\/li>\n<\/ul>\n\n\n<div id=\"netgu-4230356398\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>QR-Codes aus URL oder Text erzeugen \u2013 mit einstellbarer Gr\u00f6\u00dfe und Fehlerkorrektur, direkt als PNG herunterladbar. L\u00e4uft im Browser.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[33],"tags":[],"class_list":["post-142","post","type-post","status-publish","format-standard","hentry","category-generatoren"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts\/142","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/comments?post=142"}],"version-history":[{"count":0,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts\/142\/revisions"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/media?parent=142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/categories?post=142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/tags?post=142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}