{"id":26869,"date":"2019-09-04T16:11:10","date_gmt":"2019-09-04T09:11:10","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=26869"},"modified":"2019-09-04T16:11:10","modified_gmt":"2019-09-04T09:11:10","slug":"dinh-dang-gif-png-jpg-la-gi","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/dinh-dang-gif-png-jpg-la-gi\/","title":{"rendered":"\u0110\u1ecbnh d\u1ea1ng GIF, PNG, JPG l\u00e0 g\u00ec?"},"content":{"rendered":"<p>C\u00f9ng l\u00e0 \u0111\u1ecbnh d\u1ea1ng \u1ea3nh, nh\u01b0ng kh\u00f4ng ph\u1ea3i \u0111\u1ecbnh d\u1ea1ng n\u00e0o c\u0169ng gi\u1ed1ng nhau. M\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 nh\u1eefng t\u00ednh n\u0103ng ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng y\u00eau c\u1ea7u kh\u00e1c nhau c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. N\u1ebfu b\u1ea1n c\u00f3 th\u1eafc m\u1eafc v\u1ec1 kh\u00e1i ni\u1ec7m c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u1ea3nh n\u00e0y, ch\u00fang d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec? Nh\u01b0 th\u1ebf n\u00e0o? \u0110\u1ecbnh d\u1ea1ng n\u00e0o ph\u1ed5 bi\u1ebfn nh\u1ea5t? T\u1ea1i sao? Th\u00ec h\u00e3y xem qua b\u00e0i vi\u1ebft sau \u0111\u00e2y.<\/p>\n<p>Trong s\u1ed1 c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u1ea3nh hi\u1ec7n nay, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 bi\u1ebft t\u1edbi nhi\u1ec1u nh\u1ea5t c\u00f3 l\u1ebd l\u00e0 JPG, PNG v\u00e0 GIF. H\u1ea7u nh\u01b0 b\u1ea5t k\u1ef3 t\u1ea5m \u1ea3nh n\u00e0o, thi\u1ebft b\u1ecb n\u00e0o c\u0169ng \u0111\u1ec1u \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3, s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i \u0111\u1ecbnh d\u1ea1ng n\u00e0y.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_55 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a25fee3c6dc1\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6a25fee3c6dc1\"  type=\"checkbox\" id=\"item-6a25fee3c6dc1\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/phongvu.vn\/cong-nghe\/dinh-dang-gif-png-jpg-la-gi\/#Dinh_dang_anh_JPG_la_gi\" title=\"\u0110\u1ecbnh d\u1ea1ng \u1ea3nh JPG l\u00e0 g\u00ec?\">\u0110\u1ecbnh d\u1ea1ng \u1ea3nh JPG l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/phongvu.vn\/cong-nghe\/dinh-dang-gif-png-jpg-la-gi\/#Uu_diem_cua_JPG\" title=\"\u01afu \u0111i\u1ec3m c\u1ee7a JPG\">\u01afu \u0111i\u1ec3m c\u1ee7a JPG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phongvu.vn\/cong-nghe\/dinh-dang-gif-png-jpg-la-gi\/#Nhuoc_diem_cua_JPG\" title=\"Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a JPG\">Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a JPG<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phongvu.vn\/cong-nghe\/dinh-dang-gif-png-jpg-la-gi\/#Dinh_dang_anh_GIF\" title=\"\u0110\u1ecbnh d\u1ea1ng \u1ea3nh GIF\">\u0110\u1ecbnh d\u1ea1ng \u1ea3nh GIF<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phongvu.vn\/cong-nghe\/dinh-dang-gif-png-jpg-la-gi\/#Uu_diem_cua_GIF\" title=\"\u01afu \u0111i\u1ec3m c\u1ee7a GIF\">\u01afu \u0111i\u1ec3m c\u1ee7a GIF<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/phongvu.vn\/cong-nghe\/dinh-dang-gif-png-jpg-la-gi\/#Nhuoc_diem_cua_GIF\" title=\"Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a GIF\">Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a GIF<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/phongvu.vn\/cong-nghe\/dinh-dang-gif-png-jpg-la-gi\/#Dinh_dang_PNG\" title=\"\u0110\u1ecbnh d\u1ea1ng PNG\">\u0110\u1ecbnh d\u1ea1ng PNG<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/phongvu.vn\/cong-nghe\/dinh-dang-gif-png-jpg-la-gi\/#Uu_diem_cua_PNG\" title=\"\u01afu \u0111i\u1ec3m c\u1ee7a PNG\">\u01afu \u0111i\u1ec3m c\u1ee7a PNG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/phongvu.vn\/cong-nghe\/dinh-dang-gif-png-jpg-la-gi\/#Nhuoc_diem_cua_PNG\" title=\"Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a PNG\">Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a PNG<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Dinh_dang_anh_JPG_la_gi\"><\/span><strong>\u0110\u1ecbnh d\u1ea1ng \u1ea3nh JPG l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>JPG ra \u0111\u1eddi v\u00e0o n\u1eb1m 1992, \u0111\u1ecbnh d\u1ea1ng n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ea7u h\u1ebft c\u00e1c tr\u00ecnh duy\u1ec7t Internet hi\u1ec7n nay m\u00e0 kh\u00f4ng c\u1ea7n c\u00e0i plugin r\u1eddi. JPG \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi JPEG (vi\u1ebft t\u1eaft c\u1ee7a Joint Photographic Experts Group). Ra \u0111\u1eddi v\u1edbi m\u1ee5c ti\u00eau tr\u1edf th\u00e0nh \u0111\u1ecbnh d\u1ea1ng \u1ea3nh chu\u1ea9n cho c\u00e1c nhi\u1ebfp \u1ea3nh gia chuy\u00ean nghi\u1ec7p. Tuy nhi\u00ean, sau n\u00e0y do \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00eam c\u00f4ng ngh\u1ec7 n\u00e9n gi\u1ed1ng nh\u01b0 c\u00e1c ph\u1ea7n m\u1ec1m n\u00e9n v\u00e0 gi\u1ea3i n\u00e9n hi\u1ec7n nay (ZIP, ZAP, WinRAR&#8230;), JPG c\u00f3 kh\u1ea3 n\u0103ng t\u00ecm v\u00e0 n\u00e9n c\u00e1c ph\u1ea7n th\u1eeba c\u1ee7a b\u1ee9c \u1ea3nh th\u00e0nh nh\u1eefng v\u00f9ng nh\u1ecf v\u00e0 nh\u1eb9 h\u01a1n, n\u00ean thay v\u00ec m\u1ee5c \u0111\u00edch ban \u0111\u1ea7u th\u00ec gi\u1edd \u0111\u00e2y, JPG \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 n\u00e9n \u1ea3nh v\u00e0 l\u01b0u tr\u1eef \u1ea3nh l\u00e0 ch\u1ee7 y\u1ebfu.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-26883\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/sites\/2\/2019\/09\/002.png\" alt=\"\" width=\"1000\" height=\"664\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/09\/002.png 1000w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/09\/002-300x199.png 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/09\/002-768x510.png 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/09\/002-696x462.png 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/09\/002-633x420.png 633w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" title=\"\"><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Uu_diem_cua_JPG\"><\/span><strong>\u01afu \u0111i\u1ec3m c\u1ee7a JPG<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>\u0110\u1ec3 c\u00f3 th\u1ec3 th\u1ea5y r\u00f5 \u01b0u \u0111i\u1ec3m n\u00e0y c\u1ee7a JPG, ng\u01b0\u1eddi ta \u0111\u00e3 th\u1eed nghi\u1ec7m v\u00e0 cho k\u1ebft qu\u1ea3, m\u1ed9t b\u1ee9c \u1ea3nh v\u1edbi k\u00edch th\u01b0\u1edbc ban \u0111\u1ea7u l\u00e0 1MB ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c n\u00e9n l\u1ea1i ch\u1ec9 c\u00f2n 500KB hay th\u1eadm ch\u00ed l\u00e0 100KB. V\u1edbi c\u00e1c website, t\u1ef7 l\u1ec7 n\u00e9n n\u00e0y c\u0169ng l\u00ean t\u1edbi 60% &#8211; 75%.<\/li>\n<li>L\u00e0 \u0111\u1ecbnh d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean c\u00e1c thi\u1ebft b\u1ecb s\u1ed1 c\u0169ng nh\u01b0 Internet hi\u1ec7n nay.<br \/>\nJPG \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t trong c\u00e1c \u1ea3nh m\u1eabu, \u1ea3nh ch\u1ee5p, \u1ea3nh c\u00f3 m\u00e0u s\u1eafc ph\u1ee9c t\u1ea1p, hay m\u00e0u t\u01b0\u01a1ng ph\u1ea3n.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Nhuoc_diem_cua_JPG\"><\/span><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a JPG<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Tuy nhi\u00ean, c\u00f3 \u01b0u \u0111i\u1ec3m th\u00ec c\u0169ng c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m, JPG n\u00e9n \u1ea3nh l\u1ea1i v\u1edbi k\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u th\u00ec \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh \u0111\u00e1ng k\u1ec3. Ch\u00ednh v\u00ec th\u1ebf m\u00e0 n\u00f3 kh\u00f4ng th\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng l\u01b0u c\u00e1c b\u1ee9c \u1ea3nh y\u00eau c\u1ea7u \u0111\u1ed9 ph\u00e2n gi\u1ea3i r\u00f5 n\u00e9t.<\/li>\n<li>M\u1ed9t \u0111i\u1ec3m n\u1eefa khi\u1ebfn JPG tuy kh\u00e1 ph\u1ed5 bi\u1ebfn nh\u01b0ng l\u1ea1i \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u, \u0111\u00f3 l\u00e0 ngay c\u1ea3 khi s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng n\u00e0y \u0111\u1ec3 n\u00e9n \u1ea3nh \u1edf ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t th\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh v\u1eabn b\u1ecb gi\u1ea3m \u0111i \u00edt nhi\u1ec1u. T\u01b0\u01a1ng t\u1ef1, khi copy c\u00e1c \u1ea3nh c\u00f3 \u0111\u1ecbnh d\u1ea1ng n\u00e0y, sau m\u1ed7i thao t\u00e1c, ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng (c\u00f3 th\u1ec3 th\u1ea5y r\u00f5 \u0111i\u1ec1u n\u00e0y khi so s\u00e1nh \u1ea3nh g\u1ed1c v\u1edbi c\u00e1c \u1ea3nh sau khi n\u00e9n v\u00e0 sao ch\u00e9p).<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Dinh_dang_anh_GIF\"><\/span><strong>\u0110\u1ecbnh d\u1ea1ng \u1ea3nh GIF<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u0169ng gi\u1ed1ng nh\u01b0 JPG, GIF xu\u1ea5t hi\u1ec7n t\u1eeb kh\u00e1 s\u1edbm (n\u0103m 1987) v\u00e0 c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i tr\u00ean m\u1ea1ng Internet. Graphics Interchange Format c\u00f2n \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 &#8220;\u0110\u1ecbnh d\u1ea1ng trao \u0111\u1ed5i h\u00ecnh \u1ea3nh&#8221;, m\u1ee5c \u0111\u00edch ban \u0111\u1ea7u c\u1ee7a \u0111\u1ecbnh d\u1ea1ng n\u00e0y l\u00e0 nh\u1eb1m trao \u0111\u1ed5i, truy\u1ec1n t\u1ea3i nhanh h\u01a1n qua c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n ch\u1eadm.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-26891\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/sites\/2\/2019\/09\/2-1440133142840.gif\" alt=\"\" width=\"700\" height=\"438\" title=\"\"><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Uu_diem_cua_GIF\"><\/span><strong>\u01afu \u0111i\u1ec3m c\u1ee7a GIF<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>GIF th\u1ef1c ch\u1ea5t l\u00e0 m\u1ed9t t\u1eadp tin m\u00e0u 8-bit, c\u00f3 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 l\u01b0u h\u00ecnh \u1ea3nh v\u1edbi m\u00e0u trong su\u1ed1t v\u00e0 h\u1ed7 tr\u1ee3 c\u00e1c h\u00ecnh \u1ea3nh \u0111\u1ed9ng. Nh\u1edd b\u1ea3ng m\u00e0u l\u00ean t\u1edbi 256 m\u00e0u kh\u00e1c nhau, \u0111\u1ecbnh d\u1ea1ng n\u00e0y cho ph\u00e9p n\u00e9n nhi\u1ec1u h\u00ecnh \u1ea3nh m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<li>S\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t v\u1edbi c\u00e1c icon nh\u1ecf, \u1ea3nh \u00edt m\u00e0u s\u1eafc, \u1ea3nh chuy\u1ec3n \u0111\u1ed9ng v\u00e0 \u1ea3nh m\u1eabu.<\/li>\n<li>C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ngay c\u1ea3 khi \u0111\u01b0\u1eddng truy\u1ec1n kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ed1t.<\/li>\n<li>Dung l\u01b0\u1ee3ng c\u00f3 th\u1ec3 nh\u1eb9 h\u01a1n c\u1ea3 JPEG, do th\u1ec3 hi\u1ec7n \u00edt m\u00e0u s\u1eafc tr\u00ean \u1ea3nh h\u01a1n.<\/li>\n<li>D\u1eef li\u1ec7u (\u1ea3nh) sau khi n\u00e9n kh\u00f4ng b\u1ecb m\u1ea5t nh\u01b0 JPG (v\u1eabn gi\u1eef \u0111\u01b0\u1ee3c b\u1ea3n g\u1ed1c).<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Nhuoc_diem_cua_GIF\"><\/span><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a GIF<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>V\u1edbi nh\u1eefng h\u00ecnh \u1ea3nh c\u00f3 nhi\u1ec1u h\u01a1n 256 m\u00e0u c\u01a1 b\u1ea3n c\u1ee7a GIF th\u00ec \u0111\u1ecbnh d\u1ea1ng n\u00e0y kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 n\u00e9n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dinh_dang_PNG\"><\/span><strong>\u0110\u1ecbnh d\u1ea1ng PNG<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Portable Network Graphics (ra \u0111\u1eddi n\u0103m 1990) l\u00e0 \u0111\u1ecbnh d\u1ea1ng \u1ea3nh s\u1eed d\u1ee5ng gi\u1ea3i ph\u00e1p n\u00e9n d\u1eef li\u1ec7u m\u1edbi nh\u01b0ng kh\u00f4ng l\u00e0m m\u1ea5t \u0111i d\u1eef li\u1ec7u g\u1ed1c. C\u00f3 th\u1ec3 coi \u0111\u00e2y l\u00e0 \u0111\u1ecbnh d\u1ea1ng \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n nh\u1eb1m thay th\u1ebf cho GIF. V\u1eeba h\u1ed7 tr\u1ee3 m\u00e0u 8-bit nh\u01b0 GIF, l\u1ea1i v\u1eeba c\u00f3 b\u1ea3ng m\u00e0u 24-bit RGB nh\u01b0 JPG.<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"size-full wp-image-26895 aligncenter\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/sites\/2\/2019\/09\/environment-png-picture-5a2211a18dad12.6357953115121821775803.jpg\" alt=\"\" width=\"900\" height=\"520\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/09\/environment-png-picture-5a2211a18dad12.6357953115121821775803.jpg 900w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/09\/environment-png-picture-5a2211a18dad12.6357953115121821775803-300x173.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/09\/environment-png-picture-5a2211a18dad12.6357953115121821775803-768x444.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/09\/environment-png-picture-5a2211a18dad12.6357953115121821775803-696x402.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2019\/09\/environment-png-picture-5a2211a18dad12.6357953115121821775803-727x420.jpg 727w\" sizes=\"(max-width: 900px) 100vw, 900px\" title=\"\"><\/p>\n<h4><span class=\"ez-toc-section\" id=\"Uu_diem_cua_PNG\"><\/span><strong>\u01afu \u0111i\u1ec3m c\u1ee7a PNG<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>PNG \u01b0u vi\u1ec7t h\u01a1n c\u1ea3 hai \u0111\u1ecbnh d\u1ea1ng tr\u00ean \u1edf ch\u1ed7, n\u00f3 c\u00f3 th\u1ec3 n\u00e9n \u1ea3nh t\u1ed1i \u0111a ngang c\u00e1c \u0111\u1ecbnh d\u1ea1ng kh\u00e1c m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng \u1ea3nh.<\/li>\n<li>C\u00f3 th\u1ec3 n\u00e9n \u1ea3nh nh\u01b0ng v\u1eabn nh\u01b0 \u0111\u01b0\u1ee3c file kh\u00f4ng (t\u1ed1t h\u01a1n JPG).<\/li>\n<li>Kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 \u0111i\u1ec3m \u1ea3nh trong su\u1ed1t gi\u00fap PNG c\u00f3 th\u1ec3 \u0111\u1eb7t tr\u00ean b\u1ea5t k\u1ef3 \u1ea3nh n\u1ec1n n\u00e0o m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng t\u1edbi \u1ea3nh ch\u00ednh.<\/li>\n<li>S\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t cho c\u00e1c logo, \u1ea3nh tr\u00ean website, \u1ea3nh trong qu\u00e1 tr\u00ecnh s\u1eeda ch\u1eefa, ho\u1eb7c c\u00e1c b\u1ee9c \u1ea3nh kh\u00f4ng quan trong dung l\u01b0\u1ee3ng b\u1eb1ng chi ti\u1ebft \u1ea3nh.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Nhuoc_diem_cua_PNG\"><\/span><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a PNG<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>Dung l\u01b0\u1ee3ng \u1ea3nh c\u1ee7a PNG kh\u00e1 l\u1edbn (n\u1ebfu ch\u1ec9 x\u00e9t v\u1ec1 \u1ea3nh b\u00ecnh th\u01b0\u1eddng).<\/li>\n<li>Th\u01b0\u1eddng kh\u00f3, kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng tr\u00ean c\u00e1c tr\u00ecnh duy\u1ec7t web c\u0169.<\/li>\n<li>T\u00f3m l\u1ea1i, GIF, PNG, v\u00e0 JPG l\u00e0 3 \u0111\u1ecbnh d\u1ea1ng \u1ea3nh ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay. M\u1ed7i \u0111\u1ecbnh d\u1ea1ng \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m, nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, t\u00f9y theo nhu c\u1ea7u c\u1ee7a c\u00f4ng vi\u1ec7c m\u00e0 ch\u00fang ta s\u1ebd s\u1eed d\u1ee5ng t\u1eebng \u0111\u1ecbnh d\u1ea1ng cho ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f9ng l\u00e0 \u0111\u1ecbnh d\u1ea1ng \u1ea3nh, nh\u01b0ng kh\u00f4ng ph\u1ea3i \u0111\u1ecbnh d\u1ea1ng n\u00e0o c\u0169ng gi\u1ed1ng nhau. M\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 nh\u1eefng t\u00ednh n\u0103ng ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng y\u00eau c\u1ea7u kh\u00e1c nhau c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. N\u1ebfu b\u1ea1n c\u00f3 th\u1eafc m\u1eafc v\u1ec1 kh\u00e1i ni\u1ec7m c\u00e1c \u0111\u1ecbnh d\u1ea1ng \u1ea3nh n\u00e0y, ch\u00fang d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec? Nh\u01b0 th\u1ebf n\u00e0o? \u0110\u1ecbnh [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":26890,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[10],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/26869"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=26869"}],"version-history":[{"count":1,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/26869\/revisions"}],"predecessor-version":[{"id":26897,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/26869\/revisions\/26897"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/26890"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=26869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=26869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=26869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}