{"id":680,"date":"2019-04-08T13:45:32","date_gmt":"2019-04-08T13:45:32","guid":{"rendered":"https:\/\/pageloot.com\/?p=680"},"modified":"2026-04-29T10:17:26","modified_gmt":"2026-04-29T10:17:26","slug":"scan-qr-code-pc-mac","status":"publish","type":"post","link":"https:\/\/pageloot.com\/vi\/how-to\/scan-qr-code-pc-mac\/","title":{"rendered":"C\u00e1ch qu\u00e9t m\u00e3 QR tr\u00ean PC ho\u1eb7c Mac"},"content":{"rendered":"<p class=\"wp-block-paragraph\">B\u1ea1n \u0111\u00e3 bao gi\u1edd t\u00ecm th\u1ea5y m\u00e3 QR khi duy\u1ec7t web tr\u00ean m\u00e1y t\u00ednh x\u00e1ch tay v\u00e0 nh\u1eadn ra m\u00ecnh kh\u00f4ng c\u00f3 \u0111i\u1ec7n tho\u1ea1i b\u00ean c\u1ea1nh ch\u01b0a? Th\u1eadt kh\u00f3 ch\u1ecbu khi ph\u1ea3i v\u1edbi l\u1ea5y m\u1ed9t thi\u1ebft b\u1ecb ph\u1ee5 ch\u1ec9 \u0111\u1ec3 truy c\u1eadp m\u1ed9t li\u00ean k\u1ebft \u0111\u00e3 \u1edf ngay tr\u01b0\u1edbc m\u1eaft b\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng gi\u1ea3i m\u00e3 c\u00e1c k\u00fd hi\u1ec7u n\u00e0y tr\u1ef1c ti\u1ebfp tr\u00ean m\u00e1y t\u00ednh c\u1ee7a m\u00ecnh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng webcam, ch\u1ee5p m\u00e0n h\u00ecnh ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 d\u1ef1a tr\u00ean tr\u00ecnh duy\u1ec7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e3 QR l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ea1i Nh\u1eadt B\u1ea3n v\u00e0o n\u0103m 1994 \u0111\u1ec3 cung c\u1ea5p \u201cPh\u1ea3n h\u1ed3i nhanh\u201d cho ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4. Ng\u00e0y nay, ch\u00fang l\u00e0 m\u1ed9t c\u00e1ch ti\u00eau chu\u1ea9n \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u1eadt l\u00fd v\u00e0 m\u00e0n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1 v\u1edbi n\u1ed9i dung tr\u1ef1c tuy\u1ebfn. M\u1eb7c d\u00f9 h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi li\u00ean t\u01b0\u1edfng ch\u00fang v\u1edbi thi\u1ebft b\u1ecb di \u0111\u1ed9ng, m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ecdc c\u00e1c \u00f4 vu\u00f4ng gi\u00e0u d\u1eef li\u1ec7u n\u00e0y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu\u00e9t b\u1eb1ng Webcam t\u00edch h\u1ee3p<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng c\u00e1ch tr\u1ef1c ti\u1ebfp nh\u1ea5t \u0111\u1ec3 \u0111\u1ecdc m\u00e3 QR l\u00e0 s\u1eed d\u1ee5ng webcam c\u1ee7a m\u00e1y t\u00ednh. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch n\u1ebfu b\u1ea1n \u0111ang c\u1ea7m m\u1ed9t v\u1eadt l\u00fd, ch\u1eb3ng h\u1ea1n nh\u01b0 danh thi\u1ebfp ho\u1eb7c bao b\u00ec s\u1ea3n ph\u1ea9m, c\u00f3 ch\u1ee9a m\u00e3. Webcam c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t c\u1ea3m bi\u1ebfn, thu nh\u1eadn \u00e1nh s\u00e1ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1eabu c\u00e1c \u00f4 vu\u00f4ng, sau \u0111\u00f3 m\u1ed9t b\u1ed9 gi\u1ea3i m\u00e3 ph\u1ea7n m\u1ec1m s\u1ebd d\u1ecbch th\u00e0nh th\u00f4ng tin c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u1ee9ng d\u1ee5ng Camera c\u1ee7a Windows<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n l\u00e0 ng\u01b0\u1eddi d\u00f9ng Windows, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e3 c\u00e0i \u0111\u1eb7t c\u00e1c c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft. \u1ee8ng d\u1ee5ng Camera c\u1ee7a Windows c\u00f3 ch\u1ebf \u0111\u1ed9 m\u00e3 v\u1ea1ch t\u00edch h\u1ee3p c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng nh\u1eadn d\u1ea1ng m\u00e3 QR. B\u1ea1n ch\u1ec9 c\u1ea7n m\u1edf \u1ee9ng d\u1ee5ng Camera t\u1eeb menu B\u1eaft \u0111\u1ea7u v\u00e0 ch\u1ecdn bi\u1ec3u t\u01b0\u1ee3ng m\u00e3 v\u1ea1ch. B\u1eb1ng c\u00e1ch gi\u1eef m\u00e3 QR \u1ed5n \u0111\u1ecbnh tr\u01b0\u1edbc \u1ed1ng k\u00ednh, \u1ee9ng d\u1ee5ng s\u1ebd ph\u00e1t hi\u1ec7n li\u00ean k\u1ebft v\u00e0 hi\u1ec3n th\u1ecb n\u00f3 tr\u00ean m\u00e0n h\u00ecnh \u0111\u1ec3 b\u1ea1n nh\u1ea5p v\u00e0o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c t\u00f9y ch\u1ecdn qu\u00e9t tr\u00ean Mac<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">MacOS hi\u1ec7n kh\u00f4ng bao g\u1ed3m tr\u00ecnh qu\u00e9t QR g\u1ed1c trong \u1ee9ng d\u1ee5ng Camera ti\u00eau chu\u1ea9n c\u1ee7a n\u00f3, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u01b0\u01a1ng t\u1ef1 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m c\u1ee7a b\u00ean th\u1ee9 ba c\u00f3 s\u1eb5n trong Mac App Store. C\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 QR Journal ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng h\u1ed7 tr\u1ee3 webcam chuy\u00ean d\u1ee5ng cho ph\u00e9p b\u1ea1n s\u1eed d\u1ee5ng camera MacBook ho\u1eb7c iMac c\u1ee7a m\u00ecnh \u0111\u1ec3 gi\u1ea3i m\u00e3 m\u00e3. C\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y th\u01b0\u1eddng y\u00eau c\u1ea7u quy\u1ec1n truy c\u1eadp v\u00e0o camera c\u1ee7a b\u1ea1n v\u00e0 sau \u0111\u00f3 cung c\u1ea5p m\u1ed9t ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 c\u0103n gi\u1eefa m\u00e3 \u0111\u1ec3 qu\u00e9t t\u1ee9c th\u00ec.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ecdc m\u00e3 QR t\u1eeb m\u00e0n h\u00ecnh ho\u1eb7c t\u1ec7p c\u1ee7a b\u1ea1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 webcam r\u1ea5t t\u1ed1t cho c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng v\u1eadt l\u00fd, b\u1ea1n c\u00f3 th\u1ec3 th\u01b0\u1eddng xuy\u00ean g\u1eb7p m\u00e3 khi duy\u1ec7t m\u1ed9t trang web ho\u1eb7c \u0111\u1ecdc email. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, b\u1ea1n ho\u00e0n to\u00e0n kh\u00f4ng c\u1ea7n camera. Thay v\u00e0o \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ch\u1ee5p m\u00e0n h\u00ecnh ho\u1eb7c t\u1ea3i t\u1ec7p l\u00ean \u0111\u1ec3 gi\u1ea3i m\u00e3 th\u00f4ng tin. \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng Windows, Snipping Tool l\u00e0 m\u1ed9t c\u00e1ch tuy\u1ec7t v\u1eddi \u0111\u1ec3 ch\u1ee5p m\u00e3, trong khi ng\u01b0\u1eddi d\u00f9ng Mac c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u00edm t\u1eaft Command+Shift+5 \u0111\u1ec3 ch\u1ee5p \u1ea3nh m\u00e0n h\u00ecnh ch\u00ednh x\u00e1c khu v\u1ef1c ch\u1ee9a m\u00e3 QR.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/minimal-vertical-infographic-9e63dd-f4d1dfa75a47.webp\" alt=\"C\u00e1c b\u01b0\u1edbc qu\u00e9t m\u00e3 QR tr\u00ean PC\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Khi b\u1ea1n c\u00f3 h\u00ecnh \u1ea3nh c\u1ee7a m\u00e3, m\u1ed9t c\u00f4ng c\u1ee5 d\u1ef1a tr\u00ean tr\u00ecnh duy\u1ec7t th\u01b0\u1eddng l\u00e0 gi\u1ea3i ph\u00e1p nhanh nh\u1ea5t. <a href=\"https:\/\/pageloot.com\/vi\/qr-code-scanner\/\">Tr\u00ecnh qu\u00e9t m\u00e3 QR c\u1ee7a Pageloot<\/a> cho ph\u00e9p b\u1ea1n t\u1ea3i tr\u1ef1c ti\u1ebfp c\u00e1c \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh n\u00e0y l\u00ean. \u0110i\u1ec1u n\u00e0y lo\u1ea1i b\u1ecf nhu c\u1ea7u t\u1ea3i xu\u1ed1ng ph\u1ea7n m\u1ec1m b\u1ed5 sung v\u00e0 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ea3 Windows v\u00e0 macOS. Ph\u01b0\u01a1ng ph\u00e1p d\u1ef1a tr\u00ean web n\u00e0y h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i d\u1eef li\u1ec7u kh\u00e1c nhau, bao g\u1ed3m URL, vCard v\u00e0 chia s\u1ebb t\u1ec7p \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a, l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn linh ho\u1ea1t cho m\u00f4i tr\u01b0\u1eddng chuy\u00ean nghi\u1ec7p.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Qu\u00e9t m\u00e3 QR c\u1ee7a b\u1ea1n ngay l\u1eadp t\u1ee9c<\/strong> Truy c\u1eadp n\u1ed9i dung k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a b\u1ea1n m\u00e0 kh\u00f4ng c\u1ea7n t\u1ea3i xu\u1ed1ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <a href=\"https:\/\/pageloot.com\/vi\/qr-code-scanner\/\">M\u00e1y qu\u00e9t m\u00e3 QR mi\u1ec5n ph\u00ed<\/a> \u0111\u1ec3 gi\u1ea3i m\u00e3 h\u00ecnh \u1ea3nh ho\u1eb7c ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u webcam tr\u1ef1c ti\u1ebfp trong tr\u00ecnh duy\u1ec7t c\u1ee7a b\u1ea1n.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ed1i \u0111a h\u00f3a kh\u1ea3 n\u0103ng \u0111\u1ecdc \u0111\u1ec3 qu\u00e9t nhanh h\u01a1n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00f4i khi, m\u00e1y qu\u00e9t c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c nh\u1eadn d\u1ea1ng m\u00e3 do c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng ho\u1eb7c l\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c l\u00fd do k\u1ef9 thu\u1eadt \u0111\u1eb1ng sau vi\u1ec7c qu\u00e9t kh\u00f4ng th\u00e0nh c\u00f4ng c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 nhanh ch\u00f3ng. V\u00ed d\u1ee5, m\u00e1y qu\u00e9t d\u1ef1a v\u00e0o \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n cao \u0111\u1ec3 ph\u00e2n bi\u1ec7t c\u00e1c m\u00f4-\u0111un t\u1ed1i v\u1edbi n\u1ec1n s\u00e1ng. H\u00e3y h\u00ecnh dung m\u00e1y qu\u00e9t gi\u1ed1ng nh\u01b0 m\u1ed9t ng\u01b0\u1eddi \u0111\u1ecdc t\u1ed1c \u0111\u1ed9 cao; n\u1ebfu m\u00e0u s\u1eafc qu\u00e1 gi\u1ed1ng nhau, c\u00e1c \u201cch\u1eef c\u00e1i\u201d s\u1ebd tr\u1edf n\u00ean m\u1edd nh\u00f2e.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/blue-grey-qr-6742bf-503153e6b6bf.webp\" alt=\"M\u1eb9o \u0111\u1ecdc m\u00e3 QR\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e9t \u0111\u00e1ng tin c\u1eady m\u1ecdi l\u00fac, h\u00e3y ghi nh\u1edb nh\u1eefng \u0111i\u1ec1u sau <a href=\"https:\/\/pageloot.com\/vi\/blog\/best-practices-for-qr-code-readability\/\">c\u00e1c ph\u01b0\u01a1ng ph\u00e1p hay nh\u1ea5t \u0111\u1ec3 \u0111\u1ecdc m\u00e3 QR<\/a> in mind:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Duy tr\u00ec t\u1ef7 l\u1ec7 t\u01b0\u01a1ng ph\u1ea3n cao gi\u1eefa ti\u1ec1n c\u1ea3nh v\u00e0 h\u1eadu c\u1ea3nh, l\u00fd t\u01b0\u1edfng nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng c\u00e1c m\u1eabu t\u1ed1i tr\u00ean b\u1ec1 m\u1eb7t s\u00e1ng.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o m\u00e3 c\u00f3 k\u00edch th\u01b0\u1edbc \u00edt nh\u1ea5t 0,8 x 0,8 inch (2 x 2 cm) \u0111\u1ec3 qu\u00e9t \u1edf c\u1ef1 ly g\u1ea7n tr\u00ean m\u00e0n h\u00ecnh.<\/li>\n<li>Gi\u1eef m\u1ed9t \u201cv\u00f9ng y\u00ean t\u0129nh\u201d r\u00f5 r\u00e0ng ho\u1eb7c \u0111\u01b0\u1eddng vi\u1ec1n tr\u1eafng xung quanh m\u00e3 \u0111\u1ec3 t\u00e1ch n\u00f3 kh\u1ecfi v\u0103n b\u1ea3n ho\u1eb7c \u0111\u1ed3 h\u1ecda xung quanh.<\/li>\n<li>Tr\u00e1nh ch\u00f3i ho\u1eb7c b\u00f3ng t\u1ed1i gay g\u1eaft n\u1ebfu b\u1ea1n \u0111ang qu\u00e9t m\u1ed9t v\u1eadt th\u1ec3 v\u1eadt l\u00fd b\u1eb1ng webcam c\u1ee7a m\u00ecnh, v\u00ec ph\u1ea3n x\u1ea1 c\u00f3 th\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng m\u1eabu.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu m\u00e3 v\u1eabn kh\u00f4ng qu\u00e9t \u0111\u01b0\u1ee3c, c\u00f3 th\u1ec3 l\u00e0 do \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a d\u1eef li\u1ec7u. C\u00e1c m\u00e3 d\u00e0y \u0111\u1eb7c h\u01a1n v\u1edbi nhi\u1ec1u th\u00f4ng tin h\u01a1n y\u00eau c\u1ea7u \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao h\u01a1n \u0111\u1ec3 \u0111\u1ecdc. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y, vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng t\u1eeb m\u1ed9t <a href=\"https:\/\/pageloot.com\/vi\/blog\/best-qr-code-scanning-apps-comparison\/\">so s\u00e1nh c\u00e1c \u1ee9ng d\u1ee5ng qu\u00e9t m\u00e3 QR<\/a> th\u01b0\u1eddng c\u00f3 th\u1ec3 cung c\u1ea5p m\u1ed9t b\u1ed9 gi\u1ea3i m\u00e3 m\u1ea1nh m\u1ebd h\u01a1n, x\u1eed l\u00fd c\u00e1c m\u1eabu ph\u1ee9c t\u1ea1p t\u1ed1t h\u01a1n so v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng camera c\u01a1 b\u1ea3n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-07dd3417a44b\"><strong class=\"schema-faq-question\">T\u00f4i c\u00f3 th\u1ec3 qu\u00e9t m\u00e3 QR tr\u00ean m\u00e1y t\u00ednh c\u1ee7a m\u00ecnh n\u1ebfu t\u00f4i kh\u00f4ng c\u00f3 webcam kh\u00f4ng?<\/strong> <p class=\"schema-faq-answer\">C\u00f3. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ee5p \u1ea3nh m\u00e0n h\u00ecnh m\u00e3 QR b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 t\u00edch h\u1ee3p s\u1eb5n c\u1ee7a m\u00e1y t\u00ednh v\u00e0 sau \u0111\u00f3 t\u1ea3i t\u1ec7p h\u00ecnh \u1ea3nh \u0111\u00f3 l\u00ean m\u1ed9t tr\u00ecnh \u0111\u1ecdc tr\u1ef1c tuy\u1ebfn nh\u01b0 Pageloot \u0111\u1ec3 gi\u1ea3i m\u00e3.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-c0ac7e8ccfd5\"><strong class=\"schema-faq-question\">Vi\u1ec7c qu\u00e9t m\u00e3 QR b\u1eb1ng c\u00f4ng c\u1ee5 d\u1ef1a tr\u00ean tr\u00ecnh duy\u1ec7t c\u00f3 an to\u00e0n kh\u00f4ng?<\/strong> <p class=\"schema-faq-answer\">N\u00f3i chung l\u00e0 c\u00f3, nh\u01b0ng b\u1ea1n n\u00ean s\u1eed d\u1ee5ng c\u00e1c n\u1ec1n t\u1ea3ng uy t\u00edn. C\u00e1c tr\u00ecnh qu\u00e9t tr\u00ecnh duy\u1ec7t hi\u1ec7n \u0111\u1ea1i \u01b0u ti\u00ean x\u1eed l\u00fd d\u1eef li\u1ec7u an to\u00e0n v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u b\u1ea1n c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y h\u1ea1i l\u00ean \u1ed5 c\u1ee9ng c\u1ee7a m\u00ecnh.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-3582ebe652ae\"><strong class=\"schema-faq-question\">T\u1ea1i sao camera m\u00e1y t\u00ednh c\u1ee7a t\u00f4i kh\u00f4ng nh\u1eadn d\u1ea1ng \u0111\u01b0\u1ee3c m\u00e3 QR?<\/strong> <p class=\"schema-faq-answer\">\u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng do \u00e1nh s\u00e1ng k\u00e9m, h\u00ecnh \u1ea3nh m\u1edd ho\u1eb7c \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n th\u1ea5p. \u0110\u1ea3m b\u1ea3o webcam c\u1ee7a b\u1ea1n s\u1ea1ch s\u1ebd, m\u00e3 \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng t\u1ed1t v\u00e0 to\u00e0n b\u1ed9 h\u00ecnh vu\u00f4ng hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng trong khung h\u00ecnh.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1ch qu\u00e9t m\u00e3 QR tr\u00ean PC ho\u1eb7c Mac c\u1ee7a b\u1ea1n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng webcam, ch\u1ee5p m\u00e0n h\u00ecnh ho\u1eb7c c\u00e1c c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn. D\u1ec5 d\u00e0ng truy c\u1eadp c\u00e1c li\u00ean k\u1ebft v\u00e0 t\u1ec7p tr\u1ef1c ti\u1ebfp t\u1eeb m\u00e0n h\u00ecnh m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n.<\/p>","protected":false},"author":17,"featured_media":53163,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-680","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 v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Scan a QR Code on PC or Mac<\/title>\n<meta name=\"description\" content=\"Learn how to scan QR codes on your PC or Mac using a webcam, screen capture, or online tools. 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V\u1edbi chuy\u00ean m\u00f4n s\u00e2u s\u1eafc k\u00e9o d\u00e0i h\u01a1n 5 n\u0103m ch\u1ec9 v\u1ec1 m\u00e3 QR, Siim \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t chuy\u00ean gia v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y trong l\u0129nh v\u1ef1c n\u00e0y. Anh \u1ea5y \u0111\u00e3 c\u00f3 nh\u1eefng b\u01b0\u1edbc ti\u1ebfn \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c t\u1eadn d\u1ee5ng c\u00f4ng ngh\u1ec7 QR \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a v\u00e0 t\u0103ng c\u01b0\u1eddng c\u00e1c t\u01b0\u01a1ng t\u00e1c k\u1ef9 thu\u1eadt s\u1ed1. Cu\u1ed9c h\u00e0nh tr\u00ecnh c\u1ee7a anh kh\u00f4ng ch\u1ec9 b\u1eaft \u0111\u1ea7u \u1edf \u0111\u00e2y. Siim c\u00f3 n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt s\u1ed1 s\u00e2u r\u1ed9ng v\u1edbi h\u01a1n 10 n\u0103m kinh nghi\u1ec7m v\u1eefng ch\u1eafc trong l\u0129nh v\u1ef1c Ph\u1ea7n m\u1ec1m d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 (SaaS), m\u1ed9t minh ch\u1ee9ng cho ki\u1ebfn th\u1ee9c s\u00e2u r\u1ed9ng c\u1ee7a \u00f4ng v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt s\u1ed1.","sameAs":["https:\/\/www.linkedin.com\/in\/siim-tiigimagi\/"]},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/scan-qr-code-pc-mac\/#faq-question-07dd3417a44b","position":1,"url":"https:\/\/pageloot.com\/how-to\/scan-qr-code-pc-mac\/#faq-question-07dd3417a44b","name":"T\u00f4i c\u00f3 th\u1ec3 qu\u00e9t m\u00e3 QR tr\u00ean m\u00e1y t\u00ednh c\u1ee7a m\u00ecnh n\u1ebfu t\u00f4i kh\u00f4ng c\u00f3 webcam kh\u00f4ng?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. You can take a screenshot of the QR code using your computer's built-in tools and then upload that image file to an online reader like Pageloot to decode it.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/scan-qr-code-pc-mac\/#faq-question-c0ac7e8ccfd5","position":2,"url":"https:\/\/pageloot.com\/how-to\/scan-qr-code-pc-mac\/#faq-question-c0ac7e8ccfd5","name":"Vi\u1ec7c qu\u00e9t m\u00e3 QR b\u1eb1ng c\u00f4ng c\u1ee5 d\u1ef1a tr\u00ean tr\u00ecnh duy\u1ec7t c\u00f3 an to\u00e0n kh\u00f4ng?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Generally, yes, but you should use reputable platforms. Modern browser scanners prioritize secure data handling and do not require you to install potentially harmful software on your hard drive.","inLanguage":"vi"},"inLanguage":"vi"},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/scan-qr-code-pc-mac\/#faq-question-3582ebe652ae","position":3,"url":"https:\/\/pageloot.com\/how-to\/scan-qr-code-pc-mac\/#faq-question-3582ebe652ae","name":"T\u1ea1i sao camera m\u00e1y t\u00ednh c\u1ee7a t\u00f4i kh\u00f4ng nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c m\u00e3 QR?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"This is usually caused by poor lighting, a blurry image, or low contrast. Ensure your webcam is clean, the code is well-lit, and the entire square is visible within the frame.","inLanguage":"vi"},"inLanguage":"vi"}]}},"_links":{"self":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/680","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/comments?post=680"}],"version-history":[{"count":3,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/680\/revisions"}],"predecessor-version":[{"id":53888,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/posts\/680\/revisions\/53888"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/media\/53163"}],"wp:attachment":[{"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/media?parent=680"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/categories?post=680"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pageloot.com\/vi\/wp-json\/wp\/v2\/tags?post=680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}