{"id":6565,"date":"2024-02-19T11:47:55","date_gmt":"2024-02-19T11:47:55","guid":{"rendered":"https:\/\/csiag.eu\/?p=6565"},"modified":"2024-02-21T10:18:15","modified_gmt":"2024-02-21T10:18:15","slug":"generera-qr-kod","status":"publish","type":"post","link":"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/","title":{"rendered":"Generera QR-kod"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 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\" style=\"cursor:inherit\">Inneh\u00e5llsf\u00f6rteckning<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/#Grundlagen\" >Grunderna<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/#Fehlerkorrektur\" >Felkorrigering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/#Bildformate\" >Bildformat<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/#GIF\" >GIF<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/#BMP\" >BMP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/#JPGJPEG\" >JPG\/JPEG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/#PNG\" >PNG<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/#SVG\" >SVG<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/#%E2%80%A6_unter_MS_Windows\" >... under MS Windows<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/#%E2%80%A6_unter_Mac_OS\" >... under Mac OS<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">L\u00e4stid<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minuter<\/span><\/span>\n<p>Att generera en QR-kod \u00e4r intressant f\u00f6r alla som till exempel vill dela en l\u00e4nk p\u00e5 en webbplats. En QR-kod kan dock \u00e4ven inneh\u00e5lla annan information.<\/p>\n\n\n\n<p>Det finns alternativ f\u00f6r att generera QR-koder online, men \u00e4ven offline. Den senare \u00e4r den mer rekommenderade metoden, eftersom ingen data hamnar i andra m\u00e4nniskors h\u00e4nder och du f\u00f6rblir herre \u00f6ver din egen data, och ingen registrering etc. kr\u00e4vs f\u00f6r att anv\u00e4nda onlinetj\u00e4nster.<\/p>\n\n\n\n<p>Ett l\u00e4mpligt program b\u00f6r d\u00e4rf\u00f6r alltid installeras lokalt f\u00f6r att kunna generera QR-koder s\u00e4kert och utan inblandning av tredje part.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Grundlagen\"><\/span>Grunderna<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Fehlerkorrektur\"><\/span>Felkorrigering<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>QR-koder inneh\u00e5ller inte bara anv\u00e4ndarspecifik information, utan \u00e4ven felkorrigeringsmekanismer p\u00e5 olika niv\u00e5er (7 .. 30%). Detta inneb\u00e4r att upp till 30% av kodbilden kan vara ol\u00e4slig, repad eller p\u00e5 annat s\u00e4tt skymd, men informationen f\u00f6rblir fortfarande helt l\u00e4sbar.<br>Det \u00e4r d\u00e4rf\u00f6r du alltid b\u00f6r v\u00e4lja den h\u00f6gsta korrigeringsniv\u00e5n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Bildformate\"><\/span>Bildformat<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Olika bildformat t\u00e4cker ett brett spektrum av applikationer. Vilket format som \u00e4r att f\u00f6redra beror bland annat p\u00e5 \u00f6nskad m\u00e4ngd data eller eventuell skalbarhet. Pixelformat str\u00e4cker sig fr\u00e5n 1, 4, 8 eller 24 bitar\/pixel. 4-bitarsformatet \u00e4r tillr\u00e4ckligt f\u00f6r de flesta applikationer.<\/p>\n\n\n\n<p>Om du vill veta mer om bildformat, l\u00e4s detta avsnitt till slutet. Om du bara vill generera QR-koder, scrolla ner ytterligare f\u00f6r att ladda programmet, beroende p\u00e5 ditt operativsystem.<\/p>\n\n\n\n<p>F\u00f6r fullst\u00e4ndighetens skull och eftersom QR-koder \u00e4ven kan skapas i f\u00e4rg, beskrivs de olika formaten mer i detalj h\u00e4r:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"GIF\"><\/span>GIF<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>GIF (Graphics Interchange Format) \u2013 visar upp till 256 f\u00e4rger med 8-bitars RGB-f\u00e4rgdjup och erbjuder f\u00f6rlustfri komprimering.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"BMP\"><\/span>BMP<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>BMP (BitMaP) \u2013 st\u00f6der 256-bitars RGB och visar \u00f6ver 16 miljoner f\u00e4rger utan komprimering St\u00f6rre bilder har en h\u00f6g datavolym, varf\u00f6r BMP-formatet endast anv\u00e4nds f\u00f6r sm\u00e5 bilder, symboler, etc.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"JPGJPEG\"><\/span>JPG\/JPEG<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>JPG\/JPEG (Joint Photographic Experts Group) \u2013 \u00e4r det mest anv\u00e4nda formatet inom grafiksektorn, representerar \u00f6ver 16 miljoner f\u00e4rger Tack vare 0 .. 100 % skalbar komprimering, kvalitet och filstorlek kan kontrolleras.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"PNG\"><\/span>PNG<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>PNG (Portable Network Graphics) \u2013 visar 256 f\u00e4rger i PNG-8-format, motsvarande 8-bitars RGB-f\u00e4rgdjup, men \u00f6ver 16 miljoner f\u00e4rger i PNG-24-format, motsvarande 256-bitars RGB-f\u00e4rgdjup. Kompressionen \u00e4r f\u00f6rlustfri. men levererar st\u00f6rre filer \u00e4n GIF-formatet, men kombinerar f\u00f6rdelarna med JPG\/JPEG- och GIF-formaten.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SVG\"><\/span>SVG<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>SVG (Scalable Vector Graphics) \u2013 st\u00f6der 256-bitars RGB och visar \u00f6ver 16 miljoner f\u00e4rger utan komprimering, m\u00f6jligg\u00f6r f\u00f6rlustfri skalning och erbjuder olika funktioner som \u00e4r f\u00f6rdelaktiga inom det grafiska omr\u00e5det, s\u00e5som skuggning, etc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%80%A6_unter_MS_Windows\"><\/span>... under MS Windows<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Om du letar efter en l\u00e4ttanv\u00e4nd QR-generator och inte vill g\u00f6ra n\u00e5gra speciella Java-installationer kan du anv\u00e4nda den kostnadsfria <em><a href=\"https:\/\/fmcoders.com\/qr-code-generator\/\" target=\"_blank\" rel=\"noreferrer noopener\">Enkel QR-kodgenerator<\/a> <\/em>v\u00e4l betj\u00e4nt av fmcoders. Han st\u00e5r <a href=\"https:\/\/fmcoders.com\/products\/Easy-QR-Code-Generator-Setup.exe\" target=\"_blank\" rel=\"noreferrer noopener\">h\u00e4r<\/a> tillg\u00e4nglig f\u00f6r nedladdning.<\/p>\n\n\n\n<p>QR-kodgeneratorns funktion beskrivs mer i detalj p\u00e5 hemsidan nedan. Den st\u00f6der alla format som n\u00e4mns ovan utom SVG.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E2%80%A6_unter_Mac_OS\"><\/span>... under Mac OS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Det finns flera program, ett v\u00e4ldigt smalt, men \u00e4nd\u00e5 konfigurerbart, gratis program i de viktigaste parametrarna <em>KUAR<\/em> fr\u00e5n <a href=\"https:\/\/apps.apple.com\/us\/developer\/igor-savelev\/id1032535174\" target=\"_blank\" rel=\"noopener\">Igor Savelev<\/a>, som kan laddas ner fr\u00e5n Apple App Store. Programmet st\u00f6der alla format som anges ovan.<\/p>\n\n\n\n<p>QR-koder som ska anv\u00e4ndas p\u00e5 webbplatser, utskrifter etc. b\u00f6r anv\u00e4ndas i PNG-format \u00e4r att f\u00f6redra f\u00f6r utskrifter i stort format som banderoller, affischer etc.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"880\" src=\"https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1-1024x880.png\" alt=\"\" class=\"wp-image-6591\" style=\"width:637px;height:auto\" srcset=\"https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1-1024x880.png 1024w, https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1-14x12.png 14w, https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1-300x258.png 300w, https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1-768x660.png 768w, https:\/\/csiag.eu\/wp-content\/uploads\/2024\/02\/image-1.png 1424w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>Ett exempel p\u00e5 de flesta QR-kodgeneratorer \u00e4r hanteringen av <em>KUAR<\/em> f\u00f6rklarar:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>I det h\u00f6gra omr\u00e5det under &quot;<em>Skriv in text nedan<\/em>Till exempel skrivs l\u00e4nken som ska genereras som en QR-kod in<\/li>\n\n\n\n<li>Till v\u00e4nster om den visas kodgrafiken omedelbart, som kan dras in i valfri applikation (dra &amp; sl\u00e4pp).<\/li>\n\n\n\n<li>Storleken kan justeras med knapparna <em>S, M<\/em> och <em>L<\/em> variera.<\/li>\n\n\n\n<li>Om den svarta grafiken<em>svart p\u00e5 vitt<\/em>, <em>vitt p\u00e5 svart<\/em>, <em>svart p\u00e5 transparent<\/em> eller <em>vitt p\u00e5 transparent<\/em> Orsaken visas kan justeras med hj\u00e4lp av den mittersta raden av knappar.<\/li>\n\n\n\n<li>Felkorrigeringen definieras alltmer fr\u00e5n v\u00e4nster till h\u00f6ger med hj\u00e4lp av knapparna nedan<br>(<em>L<\/em> = l\u00e5g,<em> H<\/em> = h\u00f6gsta felkorrigering)<\/li>\n\n\n\n<li>Detta kan g\u00f6ras ovanf\u00f6r den angivna l\u00e4nken <em>Bildformat<\/em> st\u00e4ll in grafiken i <em>Cache<\/em> kopierat, p\u00e5 <em>h\u00e5rddisk<\/em> s\u00e4krad eller <em>raderad<\/em> bli.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">L\u00e4stid<\/span> <span class=\"rt-time\"> 3<\/span> <span class=\"rt-label rt-postfix\">minuter<\/span><\/span>Att generera en QR-kod \u00e4r intressant f\u00f6r alla som till exempel vill dela en l\u00e4nk p\u00e5 en webbplats. Men en QR-kod kan ocks\u00e5 inneh\u00e5lla annan information. Det \u00e4r m\u00f6jligt att generera QR-koder online, men ocks\u00e5 offline. Det senare \u00e4r den mer rekommenderade metoden, eftersom inga uppgifter kommer i h\u00e4nderna p\u00e5 tredje part och du har kontroll \u00f6ver dina egna uppgifter.&nbsp;<a href=\"https:\/\/csiag.eu\/sv\/blog\/2024\/02\/19\/qr-code-generieren\/\" rel=\"bookmark\">L\u00e4s mer \"<span class=\"screen-reader-text\">Generera QR-kod<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[2039,2733,2734],"tags":[3034,3041,3029,3042,3043,3044,2078,3023,3047,3048,3028,3037,3027,3026,3046,3045,3038,3022,1270,3039,3040,3033,3020,3021,3030,3032,3024,2065],"class_list":["post-6565","post","type-post","status-publish","format-standard","hentry","category-internet","category-mac-os","category-windows","tag-banner","tag-bildformat","tag-bmp","tag-dateigroesse","tag-datenaufkommen","tag-datenmenge","tag-download","tag-easy-qr-code-generator","tag-fehler-korrektur","tag-fehlerkorrektur","tag-gif","tag-grafikbereich","tag-jpeg","tag-jpg","tag-kompression","tag-korrekturstufe","tag-kostenfrei","tag-kuar","tag-mac-os","tag-pixel","tag-pixelformat","tag-poster","tag-qr-code","tag-qr-codes","tag-rgb","tag-skalierbar","tag-svg","tag-windows"],"modified_by":"Achim Goerner","_links":{"self":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/posts\/6565","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/comments?post=6565"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/posts\/6565\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/media?parent=6565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/categories?post=6565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/sv\/wp-json\/wp\/v2\/tags?post=6565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}