{"id":55469,"date":"2026-06-30T08:18:22","date_gmt":"2026-06-30T08:18:22","guid":{"rendered":"https:\/\/staging.pageloot.com\/uncategorized\/how-to-resize-a-qr-code\/"},"modified":"2026-07-02T17:07:07","modified_gmt":"2026-07-02T17:07:07","slug":"resize-a-qr-code","status":"publish","type":"post","link":"https:\/\/pageloot.com\/zh\/how-to\/resize-a-qr-code\/","title":{"rendered":"\u5982\u4f55\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\u800c\u4e0d\u5931\u626b\u63cf\u8d28\u91cf"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u60a8\u662f\u5426\u5c1d\u8bd5\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\uff0c\u7ed3\u679c\u5374\u5f97\u5230\u6a21\u7cca\u3001\u65e0\u6cd5\u626b\u63cf\u7684\u56fe\u50cf\uff1f\u5c3a\u5bf8\u8bbe\u7f6e\u9519\u8bef\u2014\u2014\u6216\u4f7f\u7528\u4e86\u9519\u8bef\u7684\u6587\u4ef6\u683c\u5f0f\u2014\u2014\u53ef\u80fd\u4f1a\u4f7f\u60a8\u7684\u4e8c\u7ef4\u7801\u5728\u6253\u5370\u540e\u5b8c\u5168\u65e0\u7528\u3002\u672c\u6307\u5357\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u6b63\u786e\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\uff0c\u6db5\u76d6\u6587\u4ef6\u683c\u5f0f\u3001\u5c3a\u5bf8\u89c4\u5219\u3001\u5206\u8fa8\u7387\u8981\u6c42\u4ee5\u53ca\u6700\u5e38\u89c1\u7684\u907f\u514d\u9519\u8bef\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\u4e3a\u4f55\u51fa\u9519<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5927\u591a\u6570\u4e8c\u7ef4\u7801\u8d28\u91cf\u95ee\u9898\u5f52\u7ed3\u4e3a\u4e24\u4e2a\u95ee\u9898\u4e4b\u4e00\uff1a\u4f7f\u7528\u4e86\u9519\u8bef\u7684\u6587\u4ef6\u683c\u5f0f\uff0c\u6216\u5c06\u56fe\u50cf\u7f29\u653e\u8d85\u51fa\u5176\u5206\u8fa8\u7387\u6240\u80fd\u652f\u6301\u7684\u8303\u56f4\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u60a8\u5c06\u4f4e\u5206\u8fa8\u7387\u6805\u683c\u56fe\u50cf\u2014\u2014JPEG \u6216\u5c0f\u578b PNG\u2014\u2014\u5728\u8bbe\u8ba1\u8f6f\u4ef6\u4e2d\u62c9\u4f38\u653e\u5927\u65f6\uff0c\u626b\u63cf\u4eea\u5fc5\u987b\u8bfb\u53d6\u6a21\u7cca\u3001\u4e0d\u6e05\u6670\u7684\u6a21\u5757\uff0c\u800c\u4e0d\u662f\u6e05\u6670\u7684\u9ed1\u767d\u65b9\u5757\u3002\u62c9\u4f38\u4f4e\u5206\u8fa8\u7387\u4e8c\u7ef4\u7801\u662f\u4ea7\u751f <a href=\"https:\/\/pageloot.com\/zh\/blog\/qr-code-print-resolution-guide\/\">\u6a21\u7cca\u3001\u65e0\u6cd5\u626b\u63cf\u7684\u6253\u5370\u7ed3\u679c<\/a>. \u7684\u6700\u53ef\u9760\u65b9\u6cd5\u4e4b\u4e00\u3002\u8fd8\u6709\u4e00\u4e2a\u4e0d\u90a3\u4e48\u660e\u663e\u7684\u95ee\u9898\uff1a\u8c03\u6574\u5927\u5c0f\u53ef\u80fd\u4f1a\u65e0\u610f\u4e2d\u626d\u66f2\u4e8c\u7ef4\u7801\u7684\u6bd4\u4f8b\u6216\u5265\u79bb\u9759\u533a\u2014\u2014\u56f4\u7ed5\u4e8c\u7ef4\u7801\u7684\u6e05\u6670\u767d\u8272\u8fb9\u8ddd\u2014\u2014\u8fd9\u4f1a\u5bfc\u81f4\u626b\u63cf\u4eea\u8bef\u8bfb\u6216\u5b8c\u5168\u65e0\u6cd5\u8bc6\u522b\u56fe\u6848\u3002\u5728\u8c03\u6574\u5927\u5c0f\u4e4b\u524d\u4e86\u89e3\u8fd9\u4e9b\u5931\u8d25\u70b9\u662f\u4f7f\u4e8c\u7ef4\u7801\u6b63\u5e38\u5de5\u4f5c\u7684\u6700\u76f4\u63a5\u9014\u5f84\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u77e2\u91cf vs. \u6805\u683c\uff1a\u6700\u91cd\u8981\u7684\u6587\u4ef6\u683c\u5f0f\u9009\u62e9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\u65f6\uff0c\u60a8\u505a\u51fa\u7684\u6700\u5177\u5f71\u54cd\u529b\u7684\u9009\u62e9\u662f\u4f7f\u7528\u77e2\u91cf\u6587\u4ef6\u8fd8\u662f\u6805\u683c\u6587\u4ef6\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u77e2\u91cf\u683c\u5f0f (SVG, EPS, PDF)<\/strong> \u5c06\u4e8c\u7ef4\u7801\u5b58\u50a8\u4e3a\u6570\u5b66\u6307\u4ee4\uff0c\u800c\u4e0d\u662f\u56fa\u5b9a\u7684\u50cf\u7d20\u7f51\u683c\u3002\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u53ef\u4ee5\u7f29\u653e\u5230\u4efb\u4f55\u5c3a\u5bf8\u2014\u2014\u4ece\u90ae\u7968\u5230\u5e7f\u544a\u724c\u2014\u2014\u800c\u4e0d\u4f1a\u635f\u5931\u4efb\u4f55\u6e05\u6670\u5ea6\u6216\u9510\u5ea6\u3002\u5bf9\u4e8e\u4efb\u4f55\u9700\u8981\u6253\u5370\u7684\u7528\u9014\uff0c\u77e2\u91cf\u662f\u6b63\u786e\u7684\u9009\u62e9\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6805\u683c\u683c\u5f0f (PNG, JPEG, BMP)<\/strong> \u5c06\u4e8c\u7ef4\u7801\u5b58\u50a8\u4e3a\u5177\u6709\u56fa\u5b9a\u5206\u8fa8\u7387\u4e0a\u9650\u7684\u50cf\u7d20\u7f51\u683c\u3002\u4e00\u65e6\u60a8\u5c06\u5b83\u4eec\u7f29\u653e\u5230\u8d85\u51fa\u5176\u539f\u59cb\u5206\u8fa8\u7387\uff0c\u8f6f\u4ef6\u5c31\u5fc5\u987b\u201c\u53d1\u660e\u201d\u50cf\u7d20\u6570\u636e\uff0c\u4ece\u800c\u4ea7\u751f\u6a21\u7cca\u3002JPEG \u5c24\u5176\u6709\u95ee\u9898\uff0c\u56e0\u4e3a\u5176\u538b\u7f29\u7b97\u6cd5\u4f1a\u5e73\u6ed1\u8fb9\u7f18\uff0c\u76f4\u63a5\u7834\u574f\u4e86\u4e8c\u7ef4\u7801\u626b\u63cf\u4eea\u8bfb\u53d6\u6bcf\u4e2a\u6a21\u5757\u6240\u9700\u7684\u9510\u5229\u5bf9\u6bd4\u5ea6\u3002.<\/p>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>\u683c\u5f0f<\/th>\n<th>\u65e0\u635f\u7f29\u653e<\/th>\n<th>\u5efa\u8bae\u7528\u4e8e<\/th>\n<th>\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SVG<\/td>\n<td>\u662f<\/td>\n<td>\u6253\u5370\uff0c\u5927\u5e45\u9762<\/td>\n<td>\u8c03\u6574\u5927\u5c0f\u7684\u6700\u4f73\u9009\u62e9<\/td>\n<\/tr>\n<tr>\n<td>EPS<\/td>\n<td>\u662f<\/td>\n<td>\u4e13\u4e1a\u5370\u5237<\/td>\n<td>\u5370\u5237\u8bbe\u8ba1\u5de5\u4f5c\u6d41\u7a0b\u4e2d\u7684\u6807\u51c6<\/td>\n<\/tr>\n<tr>\n<td>PDF<\/td>\n<td>\u662f<\/td>\n<td>\u6253\u5370\uff0c\u5206\u4eab<\/td>\n<td>\u4fdd\u7559\u77e2\u91cf\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u5df4\u65b0<\/td>\n<td>\u5426\uff08\u56fa\u5b9a\u5206\u8fa8\u7387\uff09<\/td>\n<td>\u7f51\u9875\uff0c\u6570\u5b57\u663e\u793a<\/td>\n<td>\u5728\u9ad8\u5206\u8fa8\u7387\u4e0b\u53ef\u63a5\u53d7<\/td>\n<\/tr>\n<tr>\n<td>JPEG<\/td>\n<td>\u5426\uff08\u6709\u635f\u538b\u7f29\uff09<\/td>\n<td>\u4e24\u8005\u90fd\u4e0d\u662f<\/td>\n<td>\u5b8c\u5168\u907f\u514d\u7528\u4e8e\u4e8c\u7ef4\u7801<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u60a8\u4e0b\u8f7d\u7528\u4e8e\u6253\u5370\u7684\u4e8c\u7ef4\u7801\u65f6\uff0c\u8bf7\u59cb\u7ec8\u9009\u62e9 SVG \u6216 EPS\u3002\u5f53\u60a8\u9700\u8981\u7528\u4e8e\u6570\u5b57\u5c4f\u5e55\u6216\u4e0d\u63a5\u53d7\u77e2\u91cf\u683c\u5f0f\u7684\u5e73\u53f0\u7684\u6805\u683c\u6587\u4ef6\u65f6\uff0c\u8bf7\u5bfc\u51fa\u9ad8\u5206\u8fa8\u7387 PNG\u2014\u2014\u7edd\u4e0d\u8981\u4f7f\u7528 JPEG\u3002.<\/p>\n\n\n\n<blockquote class=\"is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u4f7f\u7528\u6b63\u786e\u683c\u5f0f\u521b\u5efa\u53ef\u6253\u5370\u7684\u4e8c\u7ef4\u7801<\/strong> \u4f7f\u7528<a href=\"https:\/\/www.qr-code-generator.com\/qr-code-download\/\" target=\"_blank\" rel=\"noopener\">\u4e8c\u7ef4\u7801\u751f\u6210\u5668<\/a>\u751f\u6210\u60a8\u7684\u4e8c\u7ef4\u7801\u5e76\u5c06\u5176\u4e0b\u8f7d\u4e3a\u53ef\u6253\u5370\u7684 SVG\u3001EPS \u6216 PDF \u6587\u4ef6\u3002 <a href=\"https:\/\/pageloot.com\/zh\/qr-code-generator\/\">Pageloot QR\u7801\u751f\u6210\u5668<\/a>. \u3002\u65e0\u9700\u8bbe\u8ba1\u8f6f\u4ef6\u3002.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u6805\u683c\u6587\u4ef6\u7684\u5206\u8fa8\u7387\u89c4\u5219<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u60a8\u4f7f\u7528 PNG \u8fdb\u884c\u6253\u5370\uff0c\u5206\u8fa8\u7387\u2014\u2014\u4ee5 DPI\uff08\u6bcf\u82f1\u5bf8\u70b9\u6570\uff09\u8861\u91cf\u2014\u2014\u51b3\u5b9a\u4e86\u4e8c\u7ef4\u7801\u5728\u6700\u7ec8\u6253\u5370\u5c3a\u5bf8\u4e0b\u662f\u5426\u4fdd\u6301\u6e05\u6670\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6253\u5370\u7684\u6700\u4f4e\u6807\u51c6\u662f\u6700\u7ec8\u6253\u5370\u5c3a\u5bf8\u4e0b 300 DPI\u3002.<\/strong> \u8fd9\u610f\u5473\u7740\u60a8\u7684\u56fe\u50cf\u6587\u4ef6\u7684\u50cf\u7d20\u5c3a\u5bf8\u5fc5\u987b\u4e0e\u8be5\u5bc6\u5ea6\u4e0b\u7684\u9884\u671f\u7269\u7406\u5c3a\u5bf8\u76f8\u5339\u914d\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6253\u5370\u5c3a\u5bf8\u4e3a <strong>1 \u82f1\u5bf8 \u00d7 1 \u82f1\u5bf8<\/strong> \u7684\u4e8c\u7ef4\u7801 <strong>\u81f3\u5c11\u9700\u8981<\/strong><\/li>\n<li>\u6253\u5370\u5c3a\u5bf8\u4e3a <strong>300 \u00d7 300 \u50cf\u7d20<\/strong> \u7684\u4e8c\u7ef4\u7801 <strong>4 \u82f1\u5bf8 \u00d7 4 \u82f1\u5bf8<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">1,200 \u00d7 1,200 \u50cf\u7d20 <strong>\u5982\u679c\u60a8\u7684\u6587\u4ef6\u5728\u76ee\u6807\u5c3a\u5bf8\u4e0b\u672a\u8fbe\u5230\u6b64\u9608\u503c\uff0c\u5355\u4e2a\u6a21\u5757\u2014\u2014\u627f\u8f7d\u4e8c\u7ef4\u7801\u6570\u636e\u7684\u5fae\u5c0f\u65b9\u5757\u2014\u2014\u5c06\u6a21\u7cca\u4e0d\u6e05\u3002\u5c4a\u65f6\uff0c\u626b\u63cf\u4eea\u5c06\u65e0\u6cd5\u518d\u533a\u5206\u6df1\u8272\u548c\u6d45\u8272\uff0c\u4e8c\u7ef4\u7801\u5931\u6548\u3002\u5bf9\u4e8e\u6570\u5b57\u5c4f\u5e55\uff0c\u6700\u4f4e\u5927\u7ea6<\/strong> 240 \u00d7 240 \u50cf\u7d20.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u662f\u5c4f\u5e55\u663e\u793a\u4e8c\u7ef4\u7801\u7684\u5b9e\u7528\u6307\u5357\uff0c\u5c3d\u7ba1\u66f4\u5927\u5c3a\u5bf8\u5bf9\u4e8e\u7f29\u653e\u548c\u8de8\u8bbe\u5907\u517c\u5bb9\u6027\u59cb\u7ec8\u66f4\u5b89\u5168\u3002\u66f4\u7b80\u6d01\u7684\u6253\u5370\u89e3\u51b3\u65b9\u6848\u662f\u5b8c\u5168\u8df3\u8fc7\u6805\u683c\u5e76\u4f7f\u7528\u77e2\u91cf\u6587\u4ef6\uff0c\u8fd9\u4e3a\u60a8\u63d0\u4f9b\u4e86\u65e0\u9650\u7f29\u653e\u80fd\u529b\uff0c\u65e0\u9700\u62c5\u5fc3\u5206\u8fa8\u7387\u95ee\u9898\u3002<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5982\u4f55\u4e00\u6b65\u6b65\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b65\u9aa4 1\uff1a\u4ece\u6b63\u786e\u7684\u6e90\u6587\u4ef6\u5f00\u59cb <a href=\"https:\/\/pageloot.com\/zh\/qr-code-png\/\">QR code \u900f\u660e\u80cc\u666f PNG \u751f\u6210\u5668<\/a> \u5982\u679c\u8981\u6253\u5370\uff0c\u8bf7\u4e0b\u8f7d\u6216\u5bfc\u51fa SVG \u6216 EPS \u683c\u5f0f\u7684\u4e8c\u7ef4\u7801\u3002\u5982\u679c\u60a8\u53ea\u6709\u6805\u683c\u6587\u4ef6\uff0c\u8bf7\u5728\u8c03\u6574\u5927\u5c0f\u4e4b\u524d\uff0c\u9a8c\u8bc1\u50cf\u7d20\u5c3a\u5bf8\u662f\u5426\u652f\u6301\u76ee\u6807\u6253\u5370\u5c3a\u5bf8\u4e0b\u7684 300 DPI\u3002\u5bfc\u51fa\u8db3\u591f\u5206\u8fa8\u7387\u7684 PNG \u4e8c\u7ef4\u7801\u53ef\u4ee5\u5f88\u597d\u5730\u7528\u4e8e\u6570\u5b57\u5c55\u793a\u2014\u2014\u60a8\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528<a href=\"https:\/\/www.qr-code-generator.com\/qr-code-download\/\" target=\"_blank\" rel=\"noopener\">\u4e8c\u7ef4\u7801\u751f\u6210\u5668<\/a>\u521b\u5efa\u4e00\u4e2a.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-cfd577-39bc4f04dd47.webp\" alt=\"\u4e8c\u7ef4\u7801\u8c03\u6574\u5927\u5c0f\u6b65\u9aa4\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e76\u5728\u9700\u8981\u900f\u660e\u5ea6\u6216\u6805\u683c\u517c\u5bb9\u6027\u7684\u4efb\u4f55\u5730\u65b9\u4f7f\u7528\u5b83\u3002<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8c03\u6574\u5927\u5c0f\uff08resizing\uff09\u65f6\uff0c\u59cb\u7ec8\u4fdd\u6301\u539f\u59cb\u5bbd\u9ad8\u6bd4\u3002QR \u7801\uff08QR codes\uff09\u6309\u5b9a\u4e49\u662f\u6b63\u65b9\u5f62\u7684\uff0c\u6c34\u5e73\u6216\u5782\u76f4\u62c9\u4f38\u5b83\u4eec\u4f1a\u5c06\u6a21\u5757\uff08modules\uff09\u4ece\u6b63\u65b9\u5f62\u626d\u66f2\u6210\u77e9\u5f62\uff0c\u8fd9\u53ef\u80fd\u4f1a\u6df7\u6dc6\u6216\u4f7f\u626b\u63cf\u4eea\uff08scanners\uff09\u5931\u6548\u3002\u5728\u4efb\u4f55\u8bbe\u8ba1\u5e94\u7528\u7a0b\u5e8f\u4e2d\u2014\u2014Illustrator\u3001Canva\u3001InDesign\u3001Photoshop\u2014\u2014\u5728\u62d6\u52a8\u89d2\u624b\u67c4\u4e4b\u524d\u9501\u5b9a\u5bbd\u9ad8\u6bd4\u3002\u5373\u4f7f\u662f\u7ec6\u5fae\u7684\u626d\u66f2\u4e5f\u8db3\u4ee5\u5bfc\u81f4\u66f4\u4e25\u683c\u7684\u626b\u63cf\u4eea\uff08scanner\uff09\u5b9e\u73b0\u51fa\u73b0\u95ee\u9898\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b65\u9aa4 3\uff1a\u4fdd\u7559\u9759\u533a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9759\u533a\u662f QR \u7801\uff08QR code\uff09\u56db\u5468\u7684\u6e05\u6670\u767d\u8272\u8fb9\u6846\u3002ISO\/IEC 18004 \u6807\u51c6\u89c4\u5b9a\uff0c\u8be5\u8fb9\u8ddd\u5728\u6bcf\u4fa7\u5fc5\u987b\u81f3\u5c11\u6709\u56db\u4e2a\u6a21\u5757\uff08modules\uff09\u5bbd\u3002\u5f53\u60a8\u8c03\u6574 QR \u7801\uff08QR code\uff09\u5927\u5c0f\u5e76\u5c06\u5176\u653e\u7f6e\u5728\u66f4\u5927\u7684\u8bbe\u8ba1\u4e2d\u65f6\uff0c\u8be5\u533a\u57df\u7ecf\u5e38\u662f\u7b2c\u4e00\u4e2a\u88ab\u88c1\u526a\u6216\u88ab\u5176\u4ed6\u8bbe\u8ba1\u5143\u7d20\u4fb5\u5360\u7684\u90e8\u5206\u3002\u5982\u679c\u60a8\u7684\u7801\uff08code\uff09\u4e2d\u6bcf\u4e2a\u6a21\u5757\uff08module\uff09\u5bbd 2 \u6beb\u7c73\uff0c\u5219\u60a8\u7684\u9759\u533a\u5728\u6240\u6709\u4fa7\u9762\u5fc5\u987b\u81f3\u5c11\u4e3a 8 \u6beb\u7c73\u3002\u5c06\u6b64\u7a7a\u95f4\u89c6\u4e3a\u4e0d\u53ef\u534f\u5546\u2014\u2014\u79fb\u9664\u5b83\u4f1a\u7834\u574f\u626b\u63cf\u4eea\uff08scanner\uff09\u8bc6\u522b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b65\u9aa4 4\uff1a\u8c03\u6574\u5927\u5c0f\uff08Resizing\uff09\u540e\u68c0\u67e5\u5bf9\u6bd4\u5ea6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8c03\u6574\u5927\u5c0f\uff08Resizing\uff09\u5230\u5f69\u8272\u6216\u6709\u7eb9\u7406\u7684\u80cc\u666f\u4e0a\u4f1a\u964d\u4f4e\u7801\uff08code\uff09\u7684\u6a21\u5757\uff08modules\uff09\u4e0e\u5176\u5468\u56f4\u73af\u5883\u4e4b\u95f4\u7684\u6709\u6548\u5bf9\u6bd4\u5ea6\u3002\u626b\u63cf\u4eea\uff08Scanners\uff09\u4f9d\u9760\u6df1\u8272\u548c\u6d45\u8272\u533a\u57df\u4e4b\u95f4\u7684\u5dee\u5f02\u6765\u8bfb\u53d6\u7801\uff08code\uff09\u3002\u6700\u5b89\u5168\u7684\u7ec4\u5408\u4ecd\u7136\u662f\u6d45\u8272\u80cc\u666f\u4e0a\u7684\u6df1\u8272\u6a21\u5757\uff08modules\uff09\u2014\u2014\u9ed1\u5e95\u767d\u5b57\u63d0\u4f9b 21:1 \u7684\u5bf9\u6bd4\u5ea6\u3002\u76ee\u6807\u662f\u6700\u5c0f\u5bf9\u6bd4\u5ea6\u4e3a <strong>4:1<\/strong> \u524d\u666f\u548c\u80cc\u666f\u989c\u8272\u4e4b\u95f4\uff0c\u5e76\u907f\u514d\u5c06\u7801\uff08code\uff09\u653e\u7f6e\u5728\u6e10\u53d8\u3001\u7e41\u5fd9\u56fe\u6848\u6216\u53cd\u5c04\u8868\u9762\u4e0a\u3002\u6709\u5173\u8be6\u7ec6\u6307\u5bfc\uff0c\u8bf7\u53c2\u9605 <a href=\"https:\/\/pageloot.com\/zh\/blog\/qr-code-color-contrast-best-practices\/\">\u4e8c\u7ef4\u7801\u989c\u8272\u5bf9\u6bd4\u5ea6\u6700\u4f73\u5b9e\u8df5<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b65\u9aa4 5\uff1a\u6253\u5370\u524d\u6d4b\u8bd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u786e\u5207\u7684\u9884\u671f\u5c3a\u5bf8\u548c\u786e\u5207\u7684\u9884\u671f\u6750\u6599\u4e0a\u6253\u5370\u6253\u6837\uff0c\u7136\u540e\u4f7f\u7528\u591a\u53f0\u8bbe\u5907\uff08\u5305\u62ec iOS \u548c Android\uff09\u8fdb\u884c\u6d4b\u8bd5\uff0c\u7136\u540e\u518d\u8fdb\u884c\u5168\u9762\u751f\u4ea7\u3002\u5728\u7528\u6237\u5c06\u4f53\u9a8c\u5230\u7684\u5b9e\u9645\u626b\u63cf\u8ddd\u79bb\u8fdb\u884c\u6d4b\u8bd5\u3002\u4e00\u4e2a\u5728\u624b\u81c2\u957f\u5ea6\u5904\u5b8c\u7f8e\u626b\u63cf\u7684\u7801\uff08code\uff09\u53ef\u80fd\u5728\u5176\u5b9e\u9645\u653e\u7f6e\u7684\u8ddd\u79bb\u5904\u5931\u8d25\u3002\u8bf7\u53c2\u9605 <a href=\"https:\/\/pageloot.com\/zh\/blog\/how-to-test-qr-codes-for-mobile-usability\/\">\u5982\u4f55\u6d4b\u8bd5 QR \u7801\uff08QR codes\uff09\u7684\u79fb\u52a8\u53ef\u7528\u6027<\/a> \u83b7\u53d6\u5b8c\u6574\u7684\u6d4b\u8bd5\u6e05\u5355\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5c0f\u548c\u6700\u5927\u5c3a\u5bf8\u6307\u5357<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8d1f\u8d23\u4efb\u5730\u8c03\u6574 QR \u7801\uff08QR code\uff09\u5927\u5c0f\u610f\u5473\u7740\u4e86\u89e3\u7279\u5b9a\u7528\u4f8b\u7684\u5c3a\u5bf8\u8fb9\u754c\u3002\u6838\u5fc3\u89c4\u5219\u662f <strong>10:1 \u8ddd\u79bb\u4e0e\u5c3a\u5bf8\u6bd4<\/strong>\uff1a\u6700\u5927\u9884\u671f\u626b\u63cf\u8ddd\u79bb\u5e94\u7ea6\u4e3a QR \u7801\uff08QR code\uff09\u5bbd\u5ea6\u7684\u5341\u500d\u3002\u4ece 20 \u82f1\u5bf8\u5916\u626b\u63cf\u7684\u7801\uff08code\uff09\u5e94\u81f3\u5c11\u5bbd 2 \u82f1\u5bf8\uff1b\u4ece 5 \u82f1\u5c3a\u5916\u626b\u63cf\u7684\u7801\uff08code\uff09\u5e94\u81f3\u5c11\u5bbd 6 \u82f1\u5bf8\uff1b\u4ece 30 \u82f1\u5c3a\u5916\u626b\u63cf\u7684\u5e7f\u544a\u724c\u7801\uff08code\uff09\u5e94\u81f3\u5c11\u5bbd 36 \u82f1\u5bf8\u3002.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-540e38-5d59bc388c5c.webp\" alt=\"\u4e8c\u7ef4\u7801\u5c3a\u5bf8\u89c4\u5219\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u5e38\u89c1\u7684\u6253\u5370\u5e94\u7528\uff0c\u4ee5\u4e0b\u662f\u53ef\u9760\u7684\u8d77\u70b9\uff1a<\/p>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>\u7528\u4f8b<\/th>\n<th>\u6700\u5c0f\u63a8\u8350\u5c3a\u5bf8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u540d\u7247<\/td>\n<td>0.8 \u00d7 0.8 \u82f1\u5bf8 (2 \u00d7 2 \u5398\u7c73)<\/td>\n<\/tr>\n<tr>\n<td>\u4f20\u5355\u548c\u5c0f\u518c\u5b50<\/td>\n<td>1.2 \u00d7 1.2 \u82f1\u5bf8 (3 \u00d7 3 \u5398\u7c73)<\/td>\n<\/tr>\n<tr>\n<td>\u6d77\u62a5\u548c\u6807\u724c<\/td>\n<td>6 \u00d7 1.6 \u82f1\u5bf8 (4 \u00d7 4 \u5398\u7c73)<\/td>\n<\/tr>\n<tr>\n<td>\u5e7f\u544a\u724c\u548c\u6a2a\u5e45<\/td>\n<td>16 \u00d7 16 \u82f1\u5bf8 (40 \u00d7 40 \u5398\u7c73) \u6216\u66f4\u5927<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u540d\u7247\u5e94\u7528\uff0c0.8 \u00d7 0.8 \u82f1\u5bf8\u662f\u53ef\u9760\u8fd1\u8ddd\u79bb\u626b\u63cf\u7684\u5b9e\u9645\u6700\u5c0f\u503c\u2014\u2014\u5c3a\u5bf8\u66f4\u5c0f\u4f1a\u663e\u8457\u589e\u52a0\u626b\u63cf\u5931\u8d25\u7684\u98ce\u9669\u3002\u8bf7\u53c2\u9605 <a href=\"https:\/\/pageloot.com\/zh\/blog\/best-qr-code-sizes-for-business-cards\/\">\u540d\u7247 QR \u7801\uff08QR code\uff09\u5c3a\u5bf8\u6307\u5357<\/a> \u83b7\u53d6\u8be5\u683c\u5f0f\u7684\u5177\u4f53\u5efa\u8bae\u3002\u6ca1\u6709\u5b98\u65b9\u7684\u5c3a\u5bf8\u4e0a\u9650\uff1b\u6839\u636e\u626b\u63cf\u8ddd\u79bb\u6309\u9700\u653e\u5927\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u7528\u4f8b\u7684\u5168\u9762\u7ec6\u5206\uff0c\u8bf7\u53c2\u9605 <a href=\"https:\/\/pageloot.com\/zh\/how-to\/qr-code-size-guide\/\">\u4e8c\u7ef4\u7801\u5c3a\u5bf8\u6307\u5357<\/a> \u6db5\u76d6\u4e86\u4ece\u540d\u7247\u5230\u5e7f\u544a\u724c\u7684\u6240\u6709\u5185\u5bb9\u3002\u60a8\u8fd8\u53ef\u4ee5\u63a2\u7d22 <a href=\"https:\/\/pageloot.com\/zh\/blog\/how-qr-code-size-impacts-visibility\/\">\u4e8c\u7ef4\u7801\u5c3a\u5bf8\u5982\u4f55\u5f71\u54cd\u53ef\u89c1\u6027<\/a> \u4e86\u89e3\u5c3a\u5bf8\u548c\u626b\u63cf\u6210\u529f\u4e4b\u95f4\u66f4\u5e7f\u6cdb\u7684\u5173\u7cfb\u3002.<\/p>\n\n\n\n<blockquote class=\"is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>\u9700\u8981\u7528\u4e8e\u540d\u7247\u7684 QR \u7801\uff08QR Code\uff09\u5417\uff1f<\/strong> \u4f7f\u7528 <a href=\"https:\/\/pageloot.com\/zh\/business-card-qr-code-generator\/\">\u540d\u7247 QR code \u751f\u6210\u5668<\/a> \u521b\u5efa\u4e00\u4e2a\u4e3a\u540d\u7247\u6253\u5370\u800c\u8bbe\u8ba1\u548c\u8c03\u6574\u5927\u5c0f\u7684\u7801\uff08code\uff09\uff0c\u5e76\u5305\u542b SVG \u5bfc\u51fa\u3002.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u6570\u636e\u5bc6\u5ea6\u5982\u4f55\u5f71\u54cd\u8c03\u6574\u5927\u5c0f\uff08Resizing\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u590d\u6742\u5316\u8c03\u6574\u5927\u5c0f\uff08resizing\uff09\u7684\u4e00\u4e2a\u56e0\u7d20\u662f\u6570\u636e\u5bc6\u5ea6\u2014\u2014QR \u7801\uff08QR code\uff09\u4e2d\u7f16\u7801\u7684\u4fe1\u606f\u91cf\u3002QR \u7801\uff08QR code\uff09\u5305\u542b\u7684\u6570\u636e\u8d8a\u591a\uff0c\u5176\u6a21\u5757\uff08modules\uff09\u7f51\u683c\u5c31\u8d8a\u5bc6\u96c6\u3002\u66f4\u5bc6\u96c6\u7684\u7f51\u683c\u9700\u8981\u66f4\u5927\u7684\u7269\u7406\u5c3a\u5bf8\uff0c\u4ee5\u4fdd\u6301\u5355\u4e2a\u6a21\u5757\uff08modules\uff09\u5728\u76f8\u673a\u7ea7\u522b\u53ef\u8bfb\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u7801\u5e26\u6709\u8ddf\u8e2a\u53c2\u6570\u7684\u957f URL \u7684 QR \u7801\uff08QR code\uff09\u5305\u542b\u7684\u6570\u636e\u8fdc\u591a\u4e8e\u6307\u5411\u77ed\u91cd\u5b9a\u5411 URL \u7684\u7801\uff08code\uff09\u3002\u5f53\u60a8\u7f29\u5c0f\u9ad8\u5bc6\u5ea6\u7801\uff08code\uff09\u65f6\uff0c\u6a21\u5757\uff08modules\uff09\u53d8\u5f97\u592a\u5c0f\uff0c\u5927\u591a\u6570\u667a\u80fd\u624b\u673a\u76f8\u673a\u65e0\u6cd5\u53ef\u9760\u5730\u89e3\u6790\u3002\u52a8\u6001 QR \u7801\uff08QR codes\uff09\u76f4\u63a5\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002\u52a8\u6001\u7801\uff08code\uff09\u4e0d\u7f16\u7801\u5b8c\u6574\u7684\u76ee\u7684\u5730 URL\uff0c\u800c\u662f\u7f16\u7801\u4e00\u4e2a\u77ed\u7684\u5185\u90e8\u91cd\u5b9a\u5411\uff0c\u65e0\u8bba\u5b83\u6307\u5411\u4f55\u5904\uff0c\u90fd\u4fdd\u6301\u7801\uff08code\uff09\u7684\u6570\u636e\u5bc6\u5ea6\u8f83\u4f4e\u3002\u8fd9\u610f\u5473\u7740\u60a8\u53ef\u4ee5\u5728\u4e0d\u727a\u7272\u53ef\u626b\u63cf\u6027\u7684\u60c5\u51b5\u4e0b\u6253\u5370\u66f4\u5c0f\u7684\u7801\uff08code\uff09\u2014\u2014\u5e76\u4e14\u4ee5\u540e\u65e0\u9700\u91cd\u65b0\u6253\u5370\u5373\u53ef\u66f4\u65b0\u76ee\u7684\u5730\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ea0\u9519\u548c\u8c03\u6574\u5927\u5c0f\uff08Resizing\uff09\u5bb9\u5dee<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QR \u7801\uff08QR codes\uff09\u5305\u542b\u5185\u7f6e\u7ea0\u9519\u529f\u80fd\uff0c\u5373\u4f7f\u90e8\u5206\u635f\u574f\u6216\u6a21\u7cca\uff0c\u4e5f\u80fd\u4fdd\u6301\u53ef\u626b\u63cf\u3002ISO\/IEC 18004 \u6807\u51c6\u5b9a\u4e49\u4e86\u56db\u4e2a\u7ea7\u522b\uff1a<\/p>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>\u7ea7\u522b<\/th>\n<th>\u6062\u590d\u80fd\u529b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L\uff08\u4f4e\uff09<\/td>\n<td>\u7ea6 7% \u7684\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>M\uff08\u4e2d\u578b\uff09<\/td>\n<td>\u7ea6 15% \u7684\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>Q\uff08\u56db\u5206\u4f4d\u6570\uff09<\/td>\n<td>\u7ea6 25% \u7684\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>H\uff08\u9ad8\uff09<\/td>\n<td>\u7ea6 30% \u7684\u6570\u636e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u60a8\u8981\u5c06\u4e8c\u7ef4\u7801\u8c03\u6574\u4e3a\u66f4\u5c0f\u5c3a\u5bf8\uff0c\u6216\u5728\u4ee3\u7801\u4e2d\u5fc3\u6dfb\u52a0\u5fbd\u6807\uff0c\u63d0\u9ad8\u7ea0\u9519\u7ea7\u522b\u53ef\u4ee5\u4e3a\u60a8\u63d0\u4f9b\u7f13\u51b2\uff0c\u4ee5\u5e94\u5bf9\u6a21\u5757\u7ea7\u635f\u574f\u6216\u626b\u63cf\u4e0d\u7cbe\u786e\u3002Q\u7ea7\u6216H\u7ea7\u9002\u7528\u4e8e\u54c1\u724c\u6216\u9ad8\u5ea6\u5b9a\u5236\u7684\u4ee3\u7801\u3002\u8bf7\u8bb0\u4f4f\uff0c\u66f4\u9ad8\u7684\u7ea0\u9519\u4f1a\u589e\u52a0\u6570\u636e\u5bc6\u5ea6\uff0c\u8fd9\u53ef\u80fd\u9700\u8981\u7a0d\u5927\u7684\u6700\u5c0f\u5c3a\u5bf8\u6765\u8865\u507f\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u7684\u8c03\u6574\u5927\u5c0f\u9519\u8bef\uff0c\u8bf7\u907f\u514d<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u622a\u56fe\u4f5c\u4e3a\u6e90\u6587\u4ef6\u3002.<\/strong> \u622a\u56fe\u662f\u4f4e\u5206\u8fa8\u7387\u7684\u6805\u683c\u56fe\u50cf\u3002\u5c06\u5b83\u4eec\u653e\u5927\u7528\u4e8e\u6253\u5370\u662f\u5bfc\u81f4\u4e8c\u7ef4\u7801\u65e0\u6cd5\u626b\u63cf\u7684\u6700\u5e38\u89c1\u539f\u56e0\u4e4b\u4e00\u3002.<\/li>\n<li><strong>\u4e0d\u6210\u6bd4\u4f8b\u5730\u62c9\u4f38\u4ee3\u7801\u3002.<\/strong> \u5373\u4f7f\u662f\u8f7b\u5fae\u7684\u6c34\u5e73\u6216\u5782\u76f4\u53d8\u5f62\uff0c\u4e5f\u4f1a\u5c06\u6a21\u5757\u5f62\u72b6\u4ece\u6b63\u65b9\u5f62\u53d8\u4e3a\u77e9\u5f62\uff0c\u8fd9\u4f1a\u963b\u6b62\u626b\u63cf\u4eea\u6b63\u786e\u8bfb\u53d6\u4ee3\u7801\u3002.<\/li>\n<li><strong>\u88c1\u526a\u9759\u533a\u3002.<\/strong> \u5728\u7d27\u51d1\u7684\u8bbe\u8ba1\u5e03\u5c40\u4e2d\u8c03\u6574\u5927\u5c0f\uff0c\u7ecf\u5e38\u5bfc\u81f4\u5176\u4ed6\u5143\u7d20\u4fb5\u5360\u9759\u533a\u3002\u5728\u6240\u6709\u4fa7\u9762\u4fdd\u6301\u81f3\u5c11\u56db\u4e2a\u6a21\u5757\u7684\u6e05\u6670\u7a7a\u95f4\u2014\u2014\u8fd9\u4e2a\u8fb9\u8ddd\u662f\u6280\u672f\u8981\u6c42\uff0c\u800c\u975e\u98ce\u683c\u9009\u62e9\u3002.<\/li>\n<li><strong>\u5047\u8bbe\u5728\u5c4f\u5e55\u4e0a\u6709\u6548\u7684\u4ee3\u7801\u5728\u6253\u5370\u65f6\u4e5f\u4f1a\u6709\u6548\u3002.<\/strong> \u5c4f\u5e55\u663e\u793a\u548c\u6253\u5370\u8f93\u51fa\u662f\u4e0d\u540c\u7684\u73af\u5883\u3002\u5728\u5c4f\u5e55\u4e0a72 DPI\u770b\u8d77\u6765\u6e05\u6670\u7684\u4ee3\u7801\uff0c\u5982\u679c\u5e95\u5c42\u6587\u4ef6\u5206\u8fa8\u7387\u4e0d\u652f\u6301\uff0c\u5728300 DPI\u6253\u5370\u65f6\u53ef\u80fd\u4f1a\u6a21\u7cca\u3002.<\/li>\n<li><strong>\u8c03\u6574\u5927\u5c0f\u540e\u4e0d\u6d4b\u8bd5\u3002.<\/strong> \u59cb\u7ec8\u5728\u6700\u7ec8\u6750\u6599\u4e0a\uff0c\u4ee5\u6700\u7ec8\u5c3a\u5bf8\uff0c\u4ece\u9884\u671f\u7684\u626b\u63cf\u8ddd\u79bb\u9a8c\u8bc1\u53ef\u626b\u63cf\u6027\u3002.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u9700\u66f4\u6df1\u5165\u7684\u6307\u5bfc\uff0c\u8be5 <a href=\"https:\/\/pageloot.com\/zh\/blog\/qr-code-print-resolution-guide\/\">\u4e8c\u7ef4\u7801\u6253\u5370\u5206\u8fa8\u7387\u6307\u5357<\/a> \u548c <a href=\"https:\/\/pageloot.com\/zh\/blog\/best-practices-for-qr-code-readability\/\">\u4e8c\u7ef4\u7801\u53ef\u8bfb\u6027\u7684\u6700\u4f73\u5b9e\u8df5<\/a> \u6db5\u76d6\u4e86\u5728\u6295\u5165\u751f\u4ea7\u524d\u503c\u5f97\u4e86\u89e3\u7684\u6253\u5370\u7279\u6709\u7ec6\u8282\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9488\u5bf9\u4e0d\u540c\u6253\u5370\u6750\u6599\u7684\u5c3a\u5bf8\u8c03\u6574<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u60a8\u6253\u5370\u7684\u8868\u9762\u4f1a\u5f71\u54cd\u60a8\u7684\u4e8c\u7ef4\u7801\u9700\u8981\u591a\u5927\uff0c\u8fd9\u4e0e\u626b\u63cf\u8ddd\u79bb\u7684\u8003\u8651\u65e0\u5173\u3002\u7c97\u7cd9\u3001\u6709\u7eb9\u7406\u6216\u5f2f\u66f2\u7684\u8868\u9762\u4f1a\u626d\u66f2\u6a21\u5757\u5e76\u964d\u4f4e\u6709\u6548\u5bf9\u6bd4\u5ea6\uff0c\u8981\u6c42\u60a8\u653e\u5927\u8d85\u51fa10:1\u89c4\u5219\u5355\u72ec\u5efa\u8bae\u7684\u5c3a\u5bf8\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5149\u6ed1\u7eb8\u5f20\u6216\u5361\u7eb8<\/strong> \u2013 \u9002\u7528\u6807\u51c6\u5c3a\u5bf8\u6307\u5357\uff1b\u54d1\u5149\u9970\u9762\u4f18\u4e8e\u5149\u9762\uff0c\u4ee5\u51cf\u5c11\u7729\u5149\u548c\u53cd\u5c04<\/li>\n<li><strong>\u74e6\u695e\u7eb8\u677f<\/strong> \u2013 \u5728\u6700\u5c0f\u5c3a\u5bf8\u4e0a\u589e\u52a010\u201325%\u4ee5\u8865\u507f\u8868\u9762\u7eb9\u7406\u548c\u8fb9\u7f18\u4e0d\u89c4\u5219\u6027<\/li>\n<li><strong>\u7ec7\u7269<\/strong> \u2013 \u5149\u6ed1\u805a\u916f\u7ea4\u7ef4\u53ef\u4f7f\u7528\u6807\u51c6\u6700\u5c0f\u503c\uff1b\u7c97\u7cd9\u6216\u6709\u5f39\u6027\u7684\u7eba\u7ec7\u54c1\u901a\u5e38\u9700\u898125\u201350%\u66f4\u5927\u7684\u4ee3\u7801<\/li>\n<li><strong>\u91d1\u5c5e\u6216\u73bb\u7483<\/strong> \u2013 \u9ad8\u53cd\u5c04\u7387\u4f1a\u5bfc\u81f4\u626b\u63cf\u95ee\u9898\uff1b\u4f7f\u7528\u54d1\u5149\u8868\u9762\u6216\u4e59\u70ef\u57fa\u8986\u76d6\u5c42\u5e76\u589e\u52a0\u4ee3\u7801\u5c3a\u5bf8<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u5173\u6309\u6750\u6599\u7c7b\u578b\u5212\u5206\u7684\u5b8c\u6574\u7ec6\u5206\uff0c\u8bf7\u53c2\u9605 <a href=\"https:\/\/pageloot.com\/zh\/blog\/qr-code-sizing-for-different-print-materials\/\">\u4e0d\u540c\u5370\u5237\u6750\u6599\u7684\u4e8c\u7ef4\u7801\u5c3a\u5bf8<\/a>, \uff0c\u4ee5\u53ca\u6709\u5173\u6253\u5370\u65b9\u6cd5\u672c\u8eab\u5982\u4f55\u5f71\u54cd\u8f93\u51fa\u8d28\u91cf\u7684\u6307\u5bfc\uff0c, <a href=\"https:\/\/pageloot.com\/zh\/blog\/how-printing-techniques-impact-qr-code-scannability\/\">\u6253\u5370\u6280\u672f\u5982\u4f55\u5f71\u54cd\u4e8c\u7ef4\u7801\u7684\u53ef\u626b\u63cf\u6027<\/a> \u5728\u60a8\u4e0b\u6253\u5370\u8ba2\u5355\u4e4b\u524d\u503c\u5f97\u4e00\u8bfb\u3002\u5bf9\u4e8e\u8d85\u51fa\u5c3a\u5bf8\u8c03\u6574\u7684\u653e\u7f6e\u51b3\u7b56\uff0c\u8be5 <a href=\"https:\/\/pageloot.com\/zh\/blog\/ultimate-guide-to-qr-code-placement-in-marketing\/\">\u8425\u9500\u4e8c\u7ef4\u7801\u653e\u7f6e\u6307\u5357<\/a> \u6db5\u76d6\u6309\u6750\u6599\u7c7b\u578b\u548c\u6d3b\u52a8\u80cc\u666f\u8fdb\u884c\u7684\u5b9a\u4f4d\u3002.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u786e\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\u610f\u5473\u7740\u5728\u8c03\u6574\u5927\u5c0f\u4e4b\u524d\u9009\u62e9\u6b63\u786e\u7684\u6587\u4ef6\u683c\u5f0f\uff0c\u59cb\u7ec8\u4fdd\u6301\u6bd4\u4f8b\u548c\u9759\u533a\u8fb9\u8ddd\uff0c\u5e76\u9a8c\u8bc1\u60a8\u7684\u8f93\u51fa\u5728\u6700\u7ec8\u6253\u5370\u6216\u663e\u793a\u5c3a\u5bf8\u4e0b\u7b26\u5408\u5206\u8fa8\u7387\u548c\u5bf9\u6bd4\u5ea6\u6807\u51c6\u3002\u4ece\u77e2\u91cf\u6587\u4ef6\u5f00\u59cb\u5b8c\u5168\u6d88\u9664\u4e86\u5927\u90e8\u5206\u98ce\u9669\u2014\u2014\u5b83\u53ef\u4ee5\u5728\u4efb\u4f55\u65b9\u5411\u4e0a\u6e05\u6670\u7f29\u653e\uff0c\u800c\u6ca1\u6709\u6805\u683c\u56fe\u50cf\u65bd\u52a0\u7684\u5206\u8fa8\u7387\u4e0a\u9650\u3002\u5982\u679c\u60a8\u6b63\u5728\u4e3a\u6301\u7eed\u7684\u6d3b\u52a8\u6784\u5efa\u4e8c\u7ef4\u7801\uff0c\u4f7f\u7528 <a href=\"https:\/\/pageloot.com\/zh\/qr-code-generator\/\">\u52a8\u6001\u4e8c\u7ef4\u7801<\/a> \u4e3a\u60a8\u63d0\u4f9b\u4e86\u6253\u5370\u540e\u66f4\u65b0\u76ee\u7684\u5730\u7684\u989d\u5916\u4f18\u52bf\uff0c\u56e0\u6b64\u4eca\u5929\u7684\u5c3a\u5bf8\u6216\u653e\u7f6e\u51b3\u7b56\u4e0d\u4f1a\u8ba9\u60a8\u5728\u672a\u6765\u9677\u5165\u91cd\u65b0\u6253\u5370\u7684\u6210\u672c\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u89c1\u95ee\u9898<\/h2>\n\n\n\n<div class=\"schema-faq\"><div class=\"schema-faq-section\" id=\"faq-question-21fa53946d9b\"><strong class=\"schema-faq-question\">\u4ec0\u4e48\u662f\u7528\u4e8e\u8c03\u6574\u4e00\u4e2a\u4e8c\u7ef4\u7801\u5927\u5c0f\u7684\u6700\u4f73\u6587\u4ef6\u683c\u5f0f\uff1f<\/strong> <p class=\"schema-faq-answer\">SVG\u3001EPS \u6216 PDF \u662f\u8c03\u6574\u5927\u5c0f\u7684\u6700\u4f73\u683c\u5f0f\uff0c\u56e0\u4e3a\u5b83\u4eec\u662f\u57fa\u4e8e\u77e2\u91cf\u7684\uff0c\u53ef\u4ee5\u7f29\u653e\u5230\u4efb\u4f55\u5c3a\u5bf8\u800c\u4e0d\u4f1a\u635f\u5931\u6e05\u6670\u5ea6\u3002PNG \u5728\u4ee5\u9ad8\u5206\u8fa8\u7387\u5bfc\u51fa\u65f6\u53ef\u7528\u4e8e\u6570\u5b57\u7528\u9014\u3002JPEG \u5e94\u5b8c\u5168\u907f\u514d\u2014\u2014\u5b83\u7684\u538b\u7f29\u4f1a\u5e73\u6ed1\u626b\u63cf\u4eea\u9700\u8981\u7528\u6765\u533a\u5206\u6bcf\u4e2a\u6a21\u5757\u7684\u9510\u5229\u8fb9\u7f18\u3002.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-ecf229ebd079\"><strong class=\"schema-faq-question\">\u4e8c\u7ef4\u7801\u53ef\u4ee5\u5c0f\u5230\u4ec0\u4e48\u7a0b\u5ea6\u624d\u80fd\u53ef\u9760\u626b\u63cf\uff1f<\/strong> <p class=\"schema-faq-answer\">\u5927\u591a\u6570\u8fd1\u8ddd\u79bb\u6253\u5370\u5e94\u7528\u7684\u5b9e\u9645\u6700\u5c0f\u5c3a\u5bf8\u4e3a0.8 \u00d7 0.8\u82f1\u5bf8\uff082 \u00d7 2\u5398\u7c73\uff09\u3002\u5c3a\u5bf8\u66f4\u5c0f\u4f1a\u589e\u52a0\u626b\u63cf\u5931\u8d25\u7684\u98ce\u9669\u3002\u5bf9\u4e8e\u66f4\u8fdc\u8ddd\u79bb\u7684\u626b\u63cf\uff0c\u5e94\u752810:1\u89c4\u5219\uff1a\u4ee3\u7801\u5bbd\u5ea6\u5e94\u81f3\u5c11\u4e3a\u6700\u5927\u9884\u671f\u626b\u63cf\u8ddd\u79bb\u7684\u5341\u5206\u4e4b\u4e00\u2014\u2014\u56e0\u6b64\uff0c\u4ece20\u82f1\u5bf8\u5916\u626b\u63cf\u7684\u4ee3\u7801\u5e94\u81f3\u5c11\u4e3a2\u82f1\u5bf8\u5bbd\u3002.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-a44eec90afda\"><strong class=\"schema-faq-question\">\u8c03\u6574\u4e00\u4e2a\u4e8c\u7ef4\u7801\u7684\u5927\u5c0f\u4f1a\u5f71\u54cd\u5176\u9519\u8bef\u7ea0\u6b63\u6216\u6570\u636e\u5417\uff1f<\/strong> <p class=\"schema-faq-answer\">\u4e0d\u2014\u2014\u7f16\u7801\u6570\u636e\u548c\u7ea0\u9519\u7ea7\u522b\u5728\u4ee3\u7801\u751f\u6210\u65f6\u662f\u56fa\u5b9a\u7684\u3002\u8c03\u6574\u5927\u5c0f\u53ea\u4f1a\u6539\u53d8\u56fe\u50cf\u7684\u7269\u7406\u6216\u50cf\u7d20\u5c3a\u5bf8\u3002\u8c03\u6574\u5927\u5c0f\u53ef\u80fd\u5f71\u54cd\u7684\u662f\u6a21\u5757\u5728\u65b0\u5c3a\u5bf8\u4e0b\u662f\u5426\u4fdd\u6301\u6e05\u6670\u53ef\u8fa8\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u4fdd\u6301300 DPI\u7528\u4e8e\u6253\u5370\u3001\u4fdd\u7559\u9759\u533a\u8fb9\u8ddd\u4ee5\u53ca\u6309\u6bd4\u4f8b\u7f29\u653e\u90fd\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u6b65\u9aa4\u3002.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60\u5982\u4f55\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\u800c\u4e0d\u4f1a\u635f\u5931\u626b\u63cf\u8d28\u91cf\u3002\u9075\u5faa\u6211\u4eec\u7684\u6307\u5357\uff0c\u4e86\u89e3\u77e2\u91cf\u683c\u5f0f\u3001DPI\u8981\u6c42\u548c\u7f29\u653e\u89c4\u5219\uff0c\u4ee5\u83b7\u5f97\u53ef\u9760\u7684\u6253\u5370\u6548\u679c\u3002.<\/p>","protected":false},"author":17,"featured_media":55356,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-55469","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Resize a QR Code Without Losing Scan Quality<\/title>\n<meta name=\"description\" content=\"Learn how to resize a QR code without losing scan quality. Follow our guide on vector formats, DPI requirements, and scaling rules for reliable print results.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pageloot.com\/zh\/how-to\/resize-a-qr-code\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Resize a QR Code Without Losing Scan Quality\" \/>\n<meta property=\"og:description\" content=\"Learn how to resize a QR code without losing scan quality. Follow our guide on vector formats, DPI requirements, and scaling rules for reliable print results.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pageloot.com\/zh\/how-to\/resize-a-qr-code\/\" \/>\n<meta property=\"og:site_name\" content=\"Pageloot\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pageloot\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-30T08:18:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-02T17:07:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-639615-683ee679e76b.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Siim T\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@getpageloot\" \/>\n<meta name=\"twitter:site\" content=\"@getpageloot\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Siim T\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/\"},\"author\":{\"name\":\"Siim T\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#\\\/schema\\\/person\\\/fa28992c2e52546f0812833bac852dfe\"},\"headline\":\"How to Resize a QR Code Without Losing Scan Quality\",\"datePublished\":\"2026-06-30T08:18:22+00:00\",\"dateModified\":\"2026-07-02T17:07:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/\"},\"wordCount\":2257,\"publisher\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/content-asset-639615-683ee679e76b.webp\",\"articleSection\":[\"Guides\"],\"inLanguage\":\"zh\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/\",\"url\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/\",\"name\":\"How to Resize a QR Code Without Losing Scan Quality\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/content-asset-639615-683ee679e76b.webp\",\"datePublished\":\"2026-06-30T08:18:22+00:00\",\"dateModified\":\"2026-07-02T17:07:07+00:00\",\"description\":\"Learn how to resize a QR code without losing scan quality. Follow our guide on vector formats, DPI requirements, and scaling rules for reliable print results.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#breadcrumb\"},\"mainEntity\":[{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-21fa53946d9b\"},{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-ecf229ebd079\"},{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-a44eec90afda\"}],\"inLanguage\":\"zh\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#primaryimage\",\"url\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/content-asset-639615-683ee679e76b.webp\",\"contentUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/content-asset-639615-683ee679e76b.webp\",\"width\":1024,\"height\":1024,\"caption\":\"Sharp QR print\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/pageloot.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Guides\",\"item\":\"https:\\\/\\\/pageloot.com\\\/es\\\/c\\\/how-to\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"How to Resize a QR Code Without Losing Scan Quality\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#website\",\"url\":\"https:\\\/\\\/pageloot.com\\\/es\\\/\",\"name\":\"Pageloot\",\"description\":\"Create Free QR Codes Online\",\"publisher\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/pageloot.com\\\/es\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#organization\",\"name\":\"Pageloot\",\"url\":\"https:\\\/\\\/pageloot.com\\\/es\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/Pageloot-QR-Code-Generator-Scanner-Tools-Online.svg\",\"contentUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/Pageloot-QR-Code-Generator-Scanner-Tools-Online.svg\",\"width\":1,\"height\":1,\"caption\":\"Pageloot\"},\"image\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/pageloot\\\/\",\"https:\\\/\\\/x.com\\\/getpageloot\",\"https:\\\/\\\/www.instagram.com\\\/getpageloot\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/pageloot\\\/\",\"http:\\\/\\\/pinterest.com\\\/pageloot\",\"https:\\\/\\\/www.youtube.com\\\/pageloot\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#\\\/schema\\\/person\\\/fa28992c2e52546f0812833bac852dfe\",\"name\":\"Siim T\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/litespeed\\\/avatar\\\/b08b5ea4331bae7b2040ada99100c9df.jpg?ver=1793735973\",\"url\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/litespeed\\\/avatar\\\/b08b5ea4331bae7b2040ada99100c9df.jpg?ver=1793735973\",\"contentUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/litespeed\\\/avatar\\\/b08b5ea4331bae7b2040ada99100c9df.jpg?ver=1793735973\",\"caption\":\"Siim T\"},\"description\":\"Siim Tiigim\u00e4gi is a part of the innovative QR code generator services at Pageloot. With a profound expertise spanning over 5 years solely on QR codes, Siim has become a subject matter expert in the field. He makes significant strides in leveraging QR technology to simplify and augment digital interactions. His journey didn\u2019t just start here. Siim has an extensive digital background with over 10 years of robust experience in the Software as a Service (SaaS) sector, a testament to his deep-seated knowledge in digital solutions.\",\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/in\\\/siim-tiigimagi\\\/\"]},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-21fa53946d9b\",\"position\":1,\"url\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-21fa53946d9b\",\"name\":\"What is the best file format for resizing a QR code?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"SVG, EPS, or PDF are the best formats for resizing because they are vector-based and scale to any size without losing sharpness. PNG is acceptable for digital use when exported at high resolution. JPEG should be avoided entirely \u2013 its compression smooths the sharp edges that scanners need to distinguish each module.\",\"inLanguage\":\"zh\"},\"inLanguage\":\"zh\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-ecf229ebd079\",\"position\":2,\"url\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-ecf229ebd079\",\"name\":\"How small can a QR code be and still scan reliably?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The practical minimum for most close-range print applications is 0.8 \u00d7 0.8 inches (2 \u00d7 2 cm). Going smaller increases the risk of scan failure. For scanning at greater distances, apply the 10:1 rule: the code's width should be at least one-tenth of the maximum intended scanning distance \u2013 so a code scanned from 20 inches away should be at least 2 inches wide.\",\"inLanguage\":\"zh\"},\"inLanguage\":\"zh\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-a44eec90afda\",\"position\":3,\"url\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-a44eec90afda\",\"name\":\"Does resizing a QR code affect its error correction or data?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No \u2013 the encoded data and error correction level are fixed when the code is generated. Resizing changes only the physical or pixel dimensions of the image. What resizing can affect is whether the modules remain clear and distinguishable at the new size, which is why maintaining 300 DPI for print, preserving the quiet zone margins, and scaling proportionally are all essential steps.\",\"inLanguage\":\"zh\"},\"inLanguage\":\"zh\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u5982\u4f55\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\u800c\u4e0d\u5931\u626b\u63cf\u8d28\u91cf","description":"\u5b66\u4e60\u5982\u4f55\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\u800c\u4e0d\u4f1a\u635f\u5931\u626b\u63cf\u8d28\u91cf\u3002\u9075\u5faa\u6211\u4eec\u7684\u6307\u5357\uff0c\u4e86\u89e3\u77e2\u91cf\u683c\u5f0f\u3001DPI\u8981\u6c42\u548c\u7f29\u653e\u89c4\u5219\uff0c\u4ee5\u83b7\u5f97\u53ef\u9760\u7684\u6253\u5370\u6548\u679c\u3002.","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:\/\/pageloot.com\/zh\/how-to\/resize-a-qr-code\/","og_locale":"zh_CN","og_type":"article","og_title":"How to Resize a QR Code Without Losing Scan Quality","og_description":"Learn how to resize a QR code without losing scan quality. Follow our guide on vector formats, DPI requirements, and scaling rules for reliable print results.","og_url":"https:\/\/pageloot.com\/zh\/how-to\/resize-a-qr-code\/","og_site_name":"Pageloot","article_publisher":"https:\/\/www.facebook.com\/pageloot\/","article_published_time":"2026-06-30T08:18:22+00:00","article_modified_time":"2026-07-02T17:07:07+00:00","og_image":[{"width":1024,"height":1024,"url":"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-639615-683ee679e76b.webp","type":"image\/webp"}],"author":"Siim T","twitter_card":"summary_large_image","twitter_creator":"@getpageloot","twitter_site":"@getpageloot","twitter_misc":{"\u4f5c\u8005":"Siim T","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"11 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#article","isPartOf":{"@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/"},"author":{"name":"Siim T","@id":"https:\/\/pageloot.com\/es\/#\/schema\/person\/fa28992c2e52546f0812833bac852dfe"},"headline":"How to Resize a QR Code Without Losing Scan Quality","datePublished":"2026-06-30T08:18:22+00:00","dateModified":"2026-07-02T17:07:07+00:00","mainEntityOfPage":{"@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/"},"wordCount":2257,"publisher":{"@id":"https:\/\/pageloot.com\/es\/#organization"},"image":{"@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#primaryimage"},"thumbnailUrl":"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-639615-683ee679e76b.webp","articleSection":["Guides"],"inLanguage":"zh"},{"@type":["WebPage","FAQPage"],"@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/","url":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/","name":"\u5982\u4f55\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\u800c\u4e0d\u5931\u626b\u63cf\u8d28\u91cf","isPartOf":{"@id":"https:\/\/pageloot.com\/es\/#website"},"primaryImageOfPage":{"@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#primaryimage"},"image":{"@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#primaryimage"},"thumbnailUrl":"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-639615-683ee679e76b.webp","datePublished":"2026-06-30T08:18:22+00:00","dateModified":"2026-07-02T17:07:07+00:00","description":"\u5b66\u4e60\u5982\u4f55\u8c03\u6574\u4e8c\u7ef4\u7801\u5927\u5c0f\u800c\u4e0d\u4f1a\u635f\u5931\u626b\u63cf\u8d28\u91cf\u3002\u9075\u5faa\u6211\u4eec\u7684\u6307\u5357\uff0c\u4e86\u89e3\u77e2\u91cf\u683c\u5f0f\u3001DPI\u8981\u6c42\u548c\u7f29\u653e\u89c4\u5219\uff0c\u4ee5\u83b7\u5f97\u53ef\u9760\u7684\u6253\u5370\u6548\u679c\u3002.","breadcrumb":{"@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#breadcrumb"},"mainEntity":[{"@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-21fa53946d9b"},{"@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-ecf229ebd079"},{"@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-a44eec90afda"}],"inLanguage":"zh","potentialAction":[{"@type":"ReadAction","target":["https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/"]}]},{"@type":"ImageObject","inLanguage":"zh","@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#primaryimage","url":"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-639615-683ee679e76b.webp","contentUrl":"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-639615-683ee679e76b.webp","width":1024,"height":1024,"caption":"Sharp QR print"},{"@type":"BreadcrumbList","@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/pageloot.com\/"},{"@type":"ListItem","position":2,"name":"Guides","item":"https:\/\/pageloot.com\/es\/c\/how-to\/"},{"@type":"ListItem","position":3,"name":"How to Resize a QR Code Without Losing Scan Quality"}]},{"@type":"WebSite","@id":"https:\/\/pageloot.com\/es\/#website","url":"https:\/\/pageloot.com\/es\/","name":"\u4f69\u5409\u8def\u7279","description":"\u5728\u7ebf\u521b\u5efa\u514d\u8d39\u7684QR\u7801","publisher":{"@id":"https:\/\/pageloot.com\/es\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/pageloot.com\/es\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh"},{"@type":"Organization","@id":"https:\/\/pageloot.com\/es\/#organization","name":"\u4f69\u5409\u8def\u7279","url":"https:\/\/pageloot.com\/es\/","logo":{"@type":"ImageObject","inLanguage":"zh","@id":"https:\/\/pageloot.com\/es\/#\/schema\/logo\/image\/","url":"https:\/\/pageloot.com\/wp-content\/uploads\/2020\/03\/Pageloot-QR-Code-Generator-Scanner-Tools-Online.svg","contentUrl":"https:\/\/pageloot.com\/wp-content\/uploads\/2020\/03\/Pageloot-QR-Code-Generator-Scanner-Tools-Online.svg","width":1,"height":1,"caption":"Pageloot"},"image":{"@id":"https:\/\/pageloot.com\/es\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/pageloot\/","https:\/\/x.com\/getpageloot","https:\/\/www.instagram.com\/getpageloot\/","https:\/\/www.linkedin.com\/company\/pageloot\/","http:\/\/pinterest.com\/pageloot","https:\/\/www.youtube.com\/pageloot"]},{"@type":"Person","@id":"https:\/\/pageloot.com\/es\/#\/schema\/person\/fa28992c2e52546f0812833bac852dfe","name":"\u66b9\u7f57","image":{"@type":"ImageObject","inLanguage":"zh","@id":"https:\/\/pageloot.com\/wp-content\/litespeed\/avatar\/b08b5ea4331bae7b2040ada99100c9df.jpg?ver=1793735973","url":"https:\/\/pageloot.com\/wp-content\/litespeed\/avatar\/b08b5ea4331bae7b2040ada99100c9df.jpg?ver=1793735973","contentUrl":"https:\/\/pageloot.com\/wp-content\/litespeed\/avatar\/b08b5ea4331bae7b2040ada99100c9df.jpg?ver=1793735973","caption":"Siim T"},"description":"Siim Tiigim\u00e4gi \u662f Pageloot \u521b\u65b0\u4e8c\u7ef4\u7801\u751f\u6210\u5668\u670d\u52a1\u7684\u4e00\u90e8\u5206\u3002Siim \u5728\u4e8c\u7ef4\u7801\u9886\u57df\u62e5\u6709\u8d85\u8fc7 5 \u5e74\u7684\u6df1\u539a\u4e13\u4e1a\u77e5\u8bc6\uff0c\u5df2\u6210\u4e3a\u8be5\u9886\u57df\u7684\u4e3b\u9898\u4e13\u5bb6\u3002\u4ed6\u5728\u5229\u7528 QR \u6280\u672f\u7b80\u5316\u548c\u589e\u5f3a\u6570\u5b57\u4e92\u52a8\u65b9\u9762\u53d6\u5f97\u4e86\u91cd\u5927\u8fdb\u5c55\u3002\u4ed6\u7684\u65c5\u7a0b\u5e76\u4e0d\u53ea\u662f\u4ece\u8fd9\u91cc\u5f00\u59cb\u3002Siim \u62e5\u6709\u5e7f\u6cdb\u7684\u6570\u5b57\u80cc\u666f\uff0c\u5728\u8f6f\u4ef6\u5373\u670d\u52a1 (SaaS) \u9886\u57df\u62e5\u6709\u8d85\u8fc7 10 \u5e74\u7684\u4e30\u5bcc\u7ecf\u9a8c\uff0c\u8fd9\u5145\u5206\u8bc1\u660e\u4e86\u4ed6\u5728\u6570\u5b57\u89e3\u51b3\u65b9\u6848\u65b9\u9762\u7684\u6df1\u539a\u77e5\u8bc6\u3002","sameAs":["https:\/\/www.linkedin.com\/in\/siim-tiigimagi\/"]},{"@type":"Question","@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-21fa53946d9b","position":1,"url":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-21fa53946d9b","name":"\u4ec0\u4e48\u662f\u7528\u4e8e\u8c03\u6574\u4e00\u4e2a\u4e8c\u7ef4\u7801\u5927\u5c0f\u7684\u6700\u4f73\u6587\u4ef6\u683c\u5f0f\uff1f","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"SVG, EPS, or PDF are the best formats for resizing because they are vector-based and scale to any size without losing sharpness. PNG is acceptable for digital use when exported at high resolution. JPEG should be avoided entirely \u2013 its compression smooths the sharp edges that scanners need to distinguish each module.","inLanguage":"zh"},"inLanguage":"zh"},{"@type":"Question","@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-ecf229ebd079","position":2,"url":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-ecf229ebd079","name":"\u4e8c\u7ef4\u7801\u53ef\u4ee5\u5c0f\u5230\u4ec0\u4e48\u7a0b\u5ea6\u624d\u80fd\u53ef\u9760\u626b\u63cf\uff1f","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The practical minimum for most close-range print applications is 0.8 \u00d7 0.8 inches (2 \u00d7 2 cm). Going smaller increases the risk of scan failure. For scanning at greater distances, apply the 10:1 rule: the code's width should be at least one-tenth of the maximum intended scanning distance \u2013 so a code scanned from 20 inches away should be at least 2 inches wide.","inLanguage":"zh"},"inLanguage":"zh"},{"@type":"Question","@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-a44eec90afda","position":3,"url":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-a44eec90afda","name":"\u8c03\u6574\u4e00\u4e2a\u4e8c\u7ef4\u7801\u7684\u5927\u5c0f\u4f1a\u5f71\u54cd\u5176\u9519\u8bef\u7ea0\u6b63\u6216\u6570\u636e\u5417\uff1f","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No \u2013 the encoded data and error correction level are fixed when the code is generated. Resizing changes only the physical or pixel dimensions of the image. What resizing can affect is whether the modules remain clear and distinguishable at the new size, which is why maintaining 300 DPI for print, preserving the quiet zone margins, and scaling proportionally are all essential steps.","inLanguage":"zh"},"inLanguage":"zh"}]}},"_links":{"self":[{"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/posts\/55469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/comments?post=55469"}],"version-history":[{"count":1,"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/posts\/55469\/revisions"}],"predecessor-version":[{"id":55529,"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/posts\/55469\/revisions\/55529"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/media\/55356"}],"wp:attachment":[{"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/media?parent=55469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/categories?post=55469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pageloot.com\/zh\/wp-json\/wp\/v2\/tags?post=55469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}