{"id":10649,"date":"2026-10-05T20:45:16","date_gmt":"2026-10-05T13:45:16","guid":{"rendered":"https:\/\/xuanthuy.net\/tao-qr-code-online-mien-phi-qr-code-generator"},"modified":"2026-10-05T20:46:54","modified_gmt":"2026-10-05T13:46:54","slug":"tao-ma-qr","status":"publish","type":"page","link":"https:\/\/xuanthuy.net\/en\/tao-ma-qr","title":{"rendered":"T\u1ea1o QR Code online mi\u1ec5n ph\u00ed \u2013 QR Code Generator"},"content":{"rendered":"<div class=\"qrcode-studio-root\">\n  <div class=\"app\">\n    <header class=\"topbar\" style=\"display:none\">\n      <a class=\"brand\" href=\"https:\/\/xuanthuy.net\/en\/\">\n        <span class=\"logo\"><span class=\"brand-logo-fallback\" aria-hidden=\"true\">QR<\/span><\/span>\n        <span class=\"brand-copy\">\n          <strong>Barcode Studio<\/strong>\n          <small>Online Barcode Generator<\/small>\n        <\/span>\n      <\/a>\n      <button class=\"icon-btn\" id=\"qrThemeBtn\" type=\"button\" aria-label=\"Change the theme\" title=\"Change the theme\">\u263e<\/button>\n    <\/header>\n\n    <nav class=\"qrcode-breadcrumbs\"><a href=\"https:\/\/xuanthuy.net\/en\/\">Home<\/a> \u203a T\u1ea1o QR Code online<\/nav>\n\n    <main>\n      <section class=\"hero\">\n        <div class=\"eyebrow\"><span aria-hidden=\"true\">\u2726<\/span> QR Code Studio Pro<\/div>\n        <h1>T\u1ea1o QR Code \u0111\u1eb9p, chu\u1ea9n v\u00e0 d\u1ec5 qu\u00e9t<\/h1>\n        <p>T\u1ea1o <strong>QR Code online mi\u1ec5n ph\u00ed<\/strong> ngay tr\u00ean tr\u00ecnh duy\u1ec7t. Chuy\u1ec3n URL, v\u0103n b\u1ea3n, WiFi, email, \u0111i\u1ec7n tho\u1ea1i, SMS, vCard, v\u1ecb tr\u00ed ho\u1eb7c s\u1ef1 ki\u1ec7n th\u00e0nh m\u00e3 QR c\u00f3 th\u1ec3 qu\u00e9t nhanh. Kh\u00f4ng c\u1ea7n \u0111\u0103ng k\u00fd v\u00e0 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c x\u1eed l\u00fd c\u1ee5c b\u1ed9 tr\u00ean thi\u1ebft b\u1ecb.<\/p>\n        <nav class=\"seo-jump-links\" aria-label=\"N\u1ed9i dung QR Code\">\n          <a href=\"#qr-generator\">T\u1ea1o QR Code<\/a><a href=\"#qr-features\">T\u00ednh n\u0103ng<\/a><a href=\"#qr-guide\">C\u00e1ch t\u1ea1o QR Code<\/a><a href=\"#qr-types\">C\u00e1c lo\u1ea1i QR Code<\/a><a href=\"#qr-faq\">FAQ<\/a>\n        <\/nav>\n      <\/section>\n\n      <div id=\"qr-generator\" class=\"workspace\" aria-label=\"C\u00f4ng c\u1ee5 t\u1ea1o QR Code online mi\u1ec5n ph\u00ed\">\n        <section class=\"card controls\" aria-labelledby=\"qr-controls-title\">\n          <div class=\"section-title\">\n            <div>\n              <span class=\"section-eyebrow\">B\u01af\u1edaC 1<\/span>\n              <h2 id=\"qr-controls-title\">N\u1ed9i dung QR Code<\/h2>\n            <\/div>\n            <span class=\"kicker\">Live<\/span>\n          <\/div>\n\n          <div class=\"qr-type-grid\" role=\"group\" aria-label=\"Ch\u1ecdn lo\u1ea1i QR Code\">\n            <button class=\"qr-type active\" data-type=\"url\" type=\"button\" aria-pressed=\"true\">\n              <span class=\"qr-type-icon\" aria-hidden=\"true\">\u2197<\/span><span><strong>URL<\/strong><small>Website<\/small><\/span>\n            <\/button>\n            <button class=\"qr-type\" data-type=\"text\" type=\"button\" aria-pressed=\"false\">\n              <span class=\"qr-type-icon\" aria-hidden=\"true\">T<\/span><span><strong>Text<\/strong><small>V\u0103n b\u1ea3n<\/small><\/span>\n            <\/button>\n            <button class=\"qr-type\" data-type=\"wifi\" type=\"button\" aria-pressed=\"false\">\n              <span class=\"qr-type-icon\" aria-hidden=\"true\">\u2301<\/span><span><strong>WiFi<\/strong><small>M\u1ea1ng<\/small><\/span>\n            <\/button>\n            <button class=\"qr-type\" data-type=\"email\" type=\"button\" aria-pressed=\"false\">\n              <span class=\"qr-type-icon\" aria-hidden=\"true\">@<\/span><span><strong>Email<\/strong><small>Th\u01b0 \u0111i\u1ec7n t\u1eed<\/small><\/span>\n            <\/button>\n            <button class=\"qr-type\" data-type=\"phone\" type=\"button\" aria-pressed=\"false\">\n              <span class=\"qr-type-icon\" aria-hidden=\"true\">\u260e<\/span><span><strong>Phone<\/strong><small>\u0110i\u1ec7n tho\u1ea1i<\/small><\/span>\n            <\/button>\n            <button class=\"qr-type\" data-type=\"sms\" type=\"button\" aria-pressed=\"false\">\n              <span class=\"qr-type-icon\" aria-hidden=\"true\">\u25b0<\/span><span><strong>SMS<\/strong><small>Tin nh\u1eafn<\/small><\/span>\n            <\/button>\n            <button class=\"qr-type\" data-type=\"vcard\" type=\"button\" aria-pressed=\"false\">\n              <span class=\"qr-type-icon\" aria-hidden=\"true\">ID<\/span><span><strong>vCard<\/strong><small>Danh thi\u1ebfp<\/small><\/span>\n            <\/button>\n            <button class=\"qr-type\" data-type=\"location\" type=\"button\" aria-pressed=\"false\">\n              <span class=\"qr-type-icon\" aria-hidden=\"true\">\u2316<\/span><span><strong>Map<\/strong><small>V\u1ecb tr\u00ed<\/small><\/span>\n            <\/button>\n            <button class=\"qr-type\" data-type=\"event\" type=\"button\" aria-pressed=\"false\">\n              <span class=\"qr-type-icon\" aria-hidden=\"true\">\u25a3<\/span><span><strong>Event<\/strong><small>S\u1ef1 ki\u1ec7n<\/small><\/span>\n            <\/button>\n          <\/div>\n\n          <div class=\"input-panel\">\n            <div class=\"input-panel-head\">\n              <div>\n                <span class=\"section-eyebrow\">B\u01af\u1edaC 2<\/span>\n                <h3>Nh\u1eadp n\u1ed9i dung<\/h3>\n              <\/div>\n              <span class=\"input-hint\">M\u00e3 QR c\u1eadp nh\u1eadt t\u1ef1 \u0111\u1ed9ng<\/span>\n            <\/div>\n            <div id=\"qrFields\" class=\"qr-fields\"><\/div>\n          <\/div>\n\n          <details class=\"settings-panel\" open>\n            <summary class=\"settings-heading\">\n              <span>\n                <span class=\"section-eyebrow\">B\u01af\u1edaC 3<\/span>\n                <strong>Thi\u1ebft k\u1ebf QR<\/strong>\n              <\/span>\n              <span class=\"settings-summary\">M\u00e0u \u00b7 ki\u1ec3u \u00b7 k\u00edch th\u01b0\u1edbc \u00b7 logo<\/span>\n            <\/summary>\n\n            <div class=\"design-grid\">\n              <div class=\"field\">\n                <label for=\"qrFg\">M\u00e0u QR<\/label>\n                <div class=\"color-control\"><input id=\"qrFg\" type=\"color\" value=\"#111827\"><span>#111827<\/span><\/div>\n              <\/div>\n              <div class=\"field\">\n                <label for=\"qrBg\">M\u00e0u n\u1ec1n<\/label>\n                <div class=\"color-control\"><input id=\"qrBg\" type=\"color\" value=\"#ffffff\"><span>#FFFFFF<\/span><\/div>\n              <\/div>\n              <div class=\"field\">\n                <label for=\"qrStyle\">Ki\u1ec3u module<\/label>\n                <select id=\"qrStyle\">\n                  <option value=\"square\">Square<\/option>\n                  <option value=\"rounded\">Rounded<\/option>\n                  <option value=\"dots\">Dots<\/option>\n                <\/select>\n              <\/div>\n              <div class=\"field\">\n                <label for=\"qrEye\">M\u1eaft QR<\/label>\n                <select id=\"qrEye\">\n                  <option value=\"square\">Square<\/option>\n                  <option value=\"rounded\">Rounded<\/option>\n                  <option value=\"circle\">Circle<\/option>\n                <\/select>\n              <\/div>\n              <div class=\"field range-field\">\n                <label for=\"qrMargin\">Quiet zone <output for=\"qrMargin\" id=\"qrMarginText\">4<\/output><\/label>\n                <input id=\"qrMargin\" type=\"range\" min=\"2\" max=\"12\" step=\"1\" value=\"4\">\n                <small>Kho\u1ea3ng tr\u1eafng quanh QR<\/small>\n              <\/div>\n              <div class=\"field range-field\">\n                <label for=\"qrSize\">Dimensions <output for=\"qrSize\" id=\"qrSizeText\">512<\/output><\/label>\n                <input id=\"qrSize\" type=\"range\" min=\"160\" max=\"4096\" step=\"16\" value=\"512\">\n                <small>\u0110\u1ed9 ph\u00e2n gi\u1ea3i file xu\u1ea5t (px)<\/small>\n              <\/div>\n              <div class=\"field\">\n                <label for=\"qrLevel\">Error Correction<\/label>\n                <select id=\"qrLevel\">\n                  <option value=\"L\">L \u2014 7%<\/option>\n                  <option value=\"M\" selected>M \u2014 15%<\/option>\n                  <option value=\"Q\">Q \u2014 25%<\/option>\n                  <option value=\"H\">H \u2014 30%<\/option>\n                <\/select>\n              <\/div>\n              <div class=\"field check-field\">\n                <label><input id=\"qrTransparent\" type=\"checkbox\"> Transparent background<\/label>\n              <\/div>\n            <\/div>\n\n            <div class=\"logo-row\">\n              <div class=\"field logo-field\">\n                <label for=\"qrLogo\">Logo trung t\u00e2m <span class=\"optional\">T\u00f9y ch\u1ecdn<\/span><\/label>\n                <input id=\"qrLogo\" type=\"file\" accept=\"image\/png,image\/jpeg,image\/webp,image\/svg+xml\">\n                <small>PNG, JPG, WebP ho\u1eb7c SVG \u00b7 t\u1ed1i \u0111a 512 KB<\/small>\n              <\/div>\n              <div class=\"field range-field\">\n                <label for=\"qrLogoSize\">K\u00edch th\u01b0\u1edbc logo <output for=\"qrLogoSize\" id=\"qrLogoSizeText\">20<\/output>%<\/label>\n                <input id=\"qrLogoSize\" type=\"range\" min=\"10\" max=\"24\" step=\"1\" value=\"20\">\n                <small>Khuy\u1ebfn ngh\u1ecb \u2264 20%<\/small>\n              <\/div>\n              <button id=\"qrLogoClear\" class=\"btn mini ghost\" type=\"button\">X\u00f3a logo<\/button>\n            <\/div>\n          <\/details>\n\n          <div class=\"advanced-row\" aria-label=\"Thi\u1ebft k\u1ebf \u0111\u00e3 l\u01b0u\">\n            <button id=\"qrSave\" class=\"btn ghost\" type=\"button\">\u2605 L\u01b0u thi\u1ebft k\u1ebf<\/button>\n            <button id=\"qrReset\" class=\"btn ghost\" type=\"button\">\u21ba \u0110\u1eb7t l\u1ea1i<\/button>\n            <button id=\"qrHistory\" class=\"btn ghost\" type=\"button\">\u2637 L\u1ecbch s\u1eed<\/button>\n          <\/div>\n\n          <div class=\"actions\">\n            <button class=\"btn primary\" id=\"qrDownloadPng\" type=\"button\">\u2193 T\u1ea3i PNG<\/button>\n            <button class=\"btn secondary\" id=\"qrDownloadSvg\" type=\"button\">\u2193 SVG<\/button>\n            <button class=\"btn secondary\" id=\"qrDownloadJpg\" type=\"button\">\u2193 JPG<\/button>\n            <button class=\"btn secondary\" id=\"qrDownloadWebp\" type=\"button\">\u2193 WebP<\/button>\n            <button class=\"btn ghost\" id=\"qrPrint\" type=\"button\">\u25a3 In QR<\/button>\n          <\/div>\n\n          <div id=\"qrHistoryPanel\" class=\"history-panel\" hidden><\/div>\n          <div id=\"qrStatus\" class=\"qr-status\" role=\"status\" aria-live=\"polite\"><\/div>\n        <\/section>\n\n        <section class=\"card preview\" aria-labelledby=\"qr-preview-title\">\n          <div class=\"preview-head\">\n            <div>\n              <span class=\"section-eyebrow\">XEM TR\u01af\u1edaC<\/span>\n              <h2 id=\"qr-preview-title\">QR Code c\u1ee7a b\u1ea1n<\/h2>\n            <\/div>\n            <span class=\"live-indicator\"><i aria-hidden=\"true\"><\/i> Live<\/span>\n          <\/div>\n\n          <div class=\"canvas-wrap\">\n            <div class=\"qr-paper\">\n              <div id=\"qrCanvas\" aria-label=\"Xem tr\u01b0\u1edbc QR Code\"><\/div>\n            <\/div>\n          <\/div>\n\n          <div class=\"meta\">\n            <span id=\"qrMeta\">\u0110ang t\u1ea1o QR m\u1eabu\u2026<\/span>\n            <span id=\"qrSizeMeta\">512 \u00d7 512 px<\/span>\n          <\/div>\n          <div id=\"qrQuality\" class=\"quality neutral\">\u0110ang ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng\u2026<\/div>\n\n          <div class=\"preview-tip\">\n            <span class=\"tip-icon\" aria-hidden=\"true\">\u2713<\/span>\n            <p><strong>M\u1eb9o:<\/strong> lu\u00f4n qu\u00e9t th\u1eed QR tr\u01b0\u1edbc khi in ho\u1eb7c chia s\u1ebb. V\u1edbi logo, n\u00ean d\u00f9ng Error Correction H.<\/p>\n          <\/div>\n        <\/section>\n      <\/div>\n\n      <section id=\"qr-features\" class=\"card info-card\" aria-labelledby=\"qr-features-title\">\n        <div class=\"section-title\">\n          <div>\n            <span class=\"section-eyebrow\">T\u00cdNH N\u0102NG<\/span>\n            <h2 id=\"qr-features-title\">T\u1ea1o QR Code online mi\u1ec5n ph\u00ed v\u1edbi \u0111\u1ea7y \u0111\u1ee7 t\u00f9y ch\u1ec9nh<\/h2>\n          <\/div>\n        <\/div>\n        <div class=\"info-grid\">\n          <div><h3>QR Code cho URL<\/h3><p>T\u1ea1o QR Code website \u0111\u1ec3 chia s\u1ebb trang web, landing page, menu, h\u1ed3 s\u01a1 ho\u1eb7c li\u00ean k\u1ebft m\u1ea1ng x\u00e3 h\u1ed9i.<\/p><\/div>\n          <div><h3>WiFi, Email & SMS<\/h3><p>T\u1ea1o m\u00e3 QR \u0111\u1ec3 k\u1ebft n\u1ed1i WiFi, g\u1eedi email, g\u1ecdi \u0111i\u1ec7n ho\u1eb7c m\u1edf tin nh\u1eafn m\u00e0 kh\u00f4ng c\u1ea7n nh\u1eadp th\u1ee7 c\u00f4ng.<\/p><\/div>\n          <div><h3>vCard, v\u1ecb tr\u00ed & s\u1ef1 ki\u1ec7n<\/h3><p>Chia s\u1ebb th\u00f4ng tin li\u00ean h\u1ec7, t\u1ecda \u0111\u1ed9 b\u1ea3n \u0111\u1ed3 v\u00e0 th\u00f4ng tin s\u1ef1 ki\u1ec7n b\u1eb1ng m\u1ed9t m\u00e3 QR duy nh\u1ea5t.<\/p><\/div>\n          <div><h3>PNG, JPG, WebP & SVG<\/h3><p>T\u1ea3i QR Code d\u1ea1ng \u1ea3nh raster ho\u1eb7c SVG vector \u0111\u1ec3 d\u00f9ng tr\u00ean website, t\u00e0i li\u1ec7u v\u00e0 thi\u1ebft k\u1ebf in \u1ea5n.<\/p><\/div>\n          <div><h3>Logo & thi\u1ebft k\u1ebf<\/h3><p>\u0110\u1ed5i m\u00e0u, ki\u1ec3u module, m\u1eaft QR, quiet zone, Error Correction v\u00e0 th\u00eam logo trung t\u00e2m.<\/p><\/div>\n          <div><h3>Ri\u00eang t\u01b0<\/h3><p>N\u1ed9i dung QR \u0111\u01b0\u1ee3c t\u1ea1o tr\u1ef1c ti\u1ebfp trong tr\u00ecnh duy\u1ec7t, kh\u00f4ng c\u1ea7n g\u1eedi n\u1ed9i dung l\u00ean server \u0111\u1ec3 t\u1ea1o m\u00e3.<\/p><\/div>\n        <\/div>\n      <\/section>\n\n      <section id=\"qr-guide\" class=\"card seo-content\" aria-labelledby=\"qr-guide-title\">\n        <span class=\"section-eyebrow\">H\u01af\u1edaNG D\u1eaaN<\/span>\n        <h2 id=\"qr-guide-title\">C\u00e1ch t\u1ea1o QR Code online<\/h2>\n        <ol>\n          <li><strong>Ch\u1ecdn lo\u1ea1i QR Code:<\/strong> URL, Text, WiFi, Email, Phone, SMS, vCard, Map ho\u1eb7c Event.<\/li>\n          <li><strong>Nh\u1eadp n\u1ed9i dung:<\/strong> \u0111i\u1ec1n th\u00f4ng tin c\u1ea7n m\u00e3 h\u00f3a v\u00e0 ki\u1ec3m tra ph\u1ea7n xem tr\u01b0\u1edbc tr\u1ef1c ti\u1ebfp.<\/li>\n          <li><strong>T\u00f9y ch\u1ec9nh thi\u1ebft k\u1ebf:<\/strong> ch\u1ecdn m\u00e0u, ki\u1ec3u QR, Error Correction, k\u00edch th\u01b0\u1edbc v\u00e0 logo n\u1ebfu c\u1ea7n.<\/li>\n          <li><strong>T\u1ea3i ho\u1eb7c in:<\/strong> ch\u1ecdn PNG, JPG, WebP, SVG ho\u1eb7c in tr\u1ef1c ti\u1ebfp t\u1eeb tr\u00ecnh duy\u1ec7t.<\/li>\n        <\/ol>\n        <p>\u0110\u1ec3 QR Code d\u1ec5 qu\u00e9t, n\u00ean gi\u1eef <strong>\u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n cao<\/strong>, ch\u1eeba \u0111\u1ee7 <strong>quiet zone<\/strong> v\u00e0 qu\u00e9t th\u1eed tr\u01b0\u1edbc khi in. Khi s\u1eed d\u1ee5ng logo, n\u00ean t\u0103ng Error Correction \u0111\u1ec3 gi\u1ea3m nguy c\u01a1 QR b\u1ecb l\u1ed7i khi logo che m\u1ed9t ph\u1ea7n module.<\/p>\n      <\/section>\n\n      <section id=\"qr-types\" class=\"card seo-content\" aria-labelledby=\"qr-types-title\">\n        <span class=\"section-eyebrow\">LO\u1ea0I QR<\/span>\n        <h2 id=\"qr-types-title\">C\u00e1c lo\u1ea1i QR Code c\u00f3 th\u1ec3 t\u1ea1o<\/h2>\n        <div class=\"seo-type-grid\">\n          <div><h3>QR Code URL<\/h3><p>M\u1edf website ho\u1eb7c b\u1ea5t k\u1ef3 \u0111\u01b0\u1eddng d\u1eabn HTTPS n\u00e0o.<\/p><\/div>\n          <div><h3>QR Code Text<\/h3><p>M\u00e3 h\u00f3a v\u0103n b\u1ea3n, ghi ch\u00fa ho\u1eb7c th\u00f4ng tin ng\u1eafn.<\/p><\/div>\n          <div><h3>QR Code WiFi<\/h3><p>Chia s\u1ebb t\u00ean m\u1ea1ng, m\u1eadt kh\u1ea9u v\u00e0 ch\u1ebf \u0111\u1ed9 b\u1ea3o m\u1eadt.<\/p><\/div>\n          <div><h3>QR Code vCard<\/h3><p>Chia s\u1ebb t\u00ean, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i, email v\u00e0 th\u00f4ng tin li\u00ean h\u1ec7.<\/p><\/div>\n          <div><h3>QR Code Email<\/h3><p>M\u1edf \u1ee9ng d\u1ee5ng email v\u1edbi \u0111\u1ecba ch\u1ec9 v\u00e0 n\u1ed9i dung \u0111\u01b0\u1ee3c \u0111i\u1ec1n s\u1eb5n.<\/p><\/div>\n          <div><h3>QR Code Phone & SMS<\/h3><p>G\u1ecdi \u0111i\u1ec7n ho\u1eb7c so\u1ea1n tin nh\u1eafn nhanh b\u1eb1ng camera \u0111i\u1ec7n tho\u1ea1i.<\/p><\/div>\n        <\/div>\n      <\/section>\n\n      <section id=\"qr-faq\" class=\"card seo-content faq-content\" aria-labelledby=\"qr-faq-title\">\n        <span class=\"section-eyebrow\">FAQ<\/span>\n        <h2 id=\"qr-faq-title\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 QR Code<\/h2>\n        <details><summary>QR Code c\u00f3 mi\u1ec5n ph\u00ed kh\u00f4ng?<\/summary><p>C\u00f3. C\u00f4ng c\u1ee5 t\u1ea1o QR Code n\u00e0y mi\u1ec5n ph\u00ed v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u \u0111\u0103ng k\u00fd t\u00e0i kho\u1ea3n \u0111\u1ec3 t\u1ea1o ho\u1eb7c t\u1ea3i m\u00e3.<\/p><\/details>\n        <details><summary>N\u1ed9i dung QR Code c\u00f3 \u0111\u01b0\u1ee3c g\u1eedi l\u00ean server kh\u00f4ng?<\/summary><p>C\u00f4ng c\u1ee5 x\u1eed l\u00fd d\u1eef li\u1ec7u QR tr\u1ef1c ti\u1ebfp trong tr\u00ecnh duy\u1ec7t. B\u1ea1n v\u1eabn n\u00ean ki\u1ec3m tra ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt c\u1ee7a website tr\u01b0\u1edbc khi m\u00e3 h\u00f3a d\u1eef li\u1ec7u nh\u1ea1y c\u1ea3m.<\/p><\/details>\n        <details><summary>N\u00ean ch\u1ecdn PNG hay SVG?<\/summary><p>PNG ph\u00f9 h\u1ee3p cho s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng. SVG l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n khi c\u1ea7n ph\u00f3ng l\u1edbn ho\u1eb7c \u0111\u01b0a QR Code v\u00e0o thi\u1ebft k\u1ebf in \u1ea5n v\u00ec \u0111\u00e2y l\u00e0 \u0111\u1ecbnh d\u1ea1ng vector.<\/p><\/details>\n        <details><summary>C\u00f3 th\u1ec3 th\u00eam logo v\u00e0o QR Code kh\u00f4ng?<\/summary><p>C\u00f3. H\u00e3y d\u00f9ng logo \u0111\u01a1n gi\u1ea3n, gi\u1eef k\u00edch th\u01b0\u1edbc v\u1eeba ph\u1ea3i v\u00e0 \u01b0u ti\u00ean Error Correction H \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng qu\u00e9t.<\/p><\/details>\n        <details><summary>QR Code c\u00f3 h\u1ebft h\u1ea1n kh\u00f4ng?<\/summary><p>QR Code t\u0129nh kh\u00f4ng t\u1ef1 h\u1ebft h\u1ea1n. N\u1ebfu m\u00e3 ch\u1ee9a m\u1ed9t URL th\u00ec kh\u1ea3 n\u0103ng truy c\u1eadp ph\u1ee5 thu\u1ed9c v\u00e0o URL ho\u1eb7c d\u1ecbch v\u1ee5 \u0111\u00edch.<\/p><\/details>\n      <\/section>\n    <\/main>\n\n    <footer class=\"site-footer\" style=\"display:none\">Barcode Studio \u2014 a free online barcode generator. <a href=\"https:\/\/xuanthuy.net\/en\/\">Home<\/a><a href=\"#barcode-generator\">Code Generator<\/a><a href=\"#types-title\">Types of Barcodes<\/a><a href=\"#guide-title\">Instructions<\/a><a href=\"#faq-title\">FAQ<\/a><\/footer>\n  <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/no-wrapper.php","meta":{"footnotes":""},"class_list":["post-10649","page","type-page","status-publish"],"_links":{"self":[{"href":"https:\/\/xuanthuy.net\/en\/wp-json\/wp\/v2\/pages\/10649","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xuanthuy.net\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/xuanthuy.net\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/xuanthuy.net\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xuanthuy.net\/en\/wp-json\/wp\/v2\/comments?post=10649"}],"version-history":[{"count":1,"href":"https:\/\/xuanthuy.net\/en\/wp-json\/wp\/v2\/pages\/10649\/revisions"}],"predecessor-version":[{"id":10651,"href":"https:\/\/xuanthuy.net\/en\/wp-json\/wp\/v2\/pages\/10649\/revisions\/10651"}],"wp:attachment":[{"href":"https:\/\/xuanthuy.net\/en\/wp-json\/wp\/v2\/media?parent=10649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}