{"id":2119,"date":"2019-04-30T23:35:54","date_gmt":"2019-04-30T23:35:54","guid":{"rendered":"https:\/\/pageloot.com\/?p=2119"},"modified":"2026-06-10T08:17:15","modified_gmt":"2026-06-10T08:17:15","slug":"qr-code-scanner-works","status":"publish","type":"post","link":"https:\/\/pageloot.com\/lt\/how-to\/qr-code-scanner-works\/","title":{"rendered":"Kaip veikia QR kod\u0173 skaitytuvas?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Ar kada nors susim\u0105st\u0117te, kas i\u0161 tikr\u0173j\u0173 vyksta per pus\u0119 sekund\u0117s nuo telefono nukreipimo \u012f QR kod\u0105 iki nusileidimo tinklalapyje? Procesas yra greitesnis, nei atrodo, ir jo supratimas padeda kurti kodus, kurie kiekvien\u0105 kart\u0105 nuskaitomi patikimai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kas i\u0161 tikr\u0173j\u0173 yra QR kodas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QR kodas yra dvimat\u0117 juod\u0173 ir balt\u0173 kvadrat\u0173 matrica, i\u0161d\u0117styta unikaliu ra\u0161tu. Skirtingai nuo tradicinio br\u016bk\u0161ninio kodo, kuris koduoja duomenis vienoje horizontalioje linijoje su skirtingo plo\u010dio juostomis, QR kodas saugo informacij\u0105 tiek horizontaliai, tiek vertikaliai. Tai suteikia jam daug didesn\u0119 duomen\u0173 talp\u0105 ir leid\u017eia j\u012f nuskaityti i\u0161 \u012fvairi\u0173 kryp\u010di\u0173.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kiekvienas QR kodas sudarytas i\u0161 keli\u0173 funkcini\u0173 sri\u010di\u0173:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ie\u0161kiklio \u0161ablonai<\/strong> \u2013 trys dideli kvadratai kampuose, kurie padeda skaitytuvui rasti kod\u0105, nustatyti jo orientacij\u0105 ir kra\u0161tus, net kai kodas yra pakreiptas<\/li>\n<li><strong>Laiko \u0161ablonai<\/strong> \u2013 kintantys juodi ir balti moduliai, einantys tarp ie\u0161kiklio \u0161ablon\u0173, kurie apibr\u0117\u017eia tinklelio strukt\u016br\u0105 ir padeda skaitytuvui teisingai nustatyti kiekvieno modulio dyd\u012f<\/li>\n<li><strong>Tylioji zona<\/strong> \u2013 tu\u0161\u010dia balta para\u0161t\u0117 aplink kod\u0105, bent keturi\u0173 moduli\u0173 plo\u010dio, kuri atskiria j\u012f nuo aplinkin\u0117s grafikos, kad skaitytuvas gal\u0117t\u0173 aptikti jo ribas<\/li>\n<li><strong>Formato informacija<\/strong> \u2013 speciali sritis prie ie\u0161kiklio \u0161ablon\u0173, kurioje saugomas klaid\u0173 taisymo lygis ir maskavimo \u0161ablonas, kad skaitytuvas tiksliai \u017einot\u0173, kaip interpretuoti duomenis<\/li>\n<li><strong>Duomen\u0173 moduliai<\/strong> \u2013 atskiri juodi ir balti kvadratai, kuriuose yra tikrasis u\u017ekoduotas turinys, skaitomi kaip dvejetainiai vienetai (juodi) ir nuliai (balti)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Duomenys tuose moduliuose gali b\u016bti u\u017ekoduoti keliais re\u017eimais: tik skaitmeniniu, raidiniais-skaitmeniniais, 8 bit\u0173 dvejetainiais baitais arba kand\u017ei. 1 versijos QR kodas yra 21\u00d721 modulio; 40 versijos kodas i\u0161ple\u010diamas iki 177\u00d7177 ir gali talpinti iki 7 089 skaitmenini\u0173 simboli\u0173, 4 296 raidini\u0173-skaitmenini\u0173 simboli\u0173 arba 2 953 bait\u0173 dvejetaini\u0173 duomen\u0173. Su\u017einokite daugiau apie tai, kaip veikia \u0161ie kompromisai vadove <a href=\"https:\/\/pageloot.com\/lt\/how-to\/understand-qr-code-data-limits\/\">QR kodo duomen\u0173 limitai<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nuskaitymo procesas, \u017eingsnis po \u017eingsnio<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kai nukreipiate kamer\u0105 \u012f QR kod\u0105, per milisekundes i\u0161siskleid\u017eia daugiapakopis procesas.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/05\/qr-code-scanner-f7659f-f28d3d81eb7b.webp\" alt=\"QR nuskaitymo procesas\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">1 \u017eingsnis: vaizdo fiksavimas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kamera u\u017efiksuoja dvimat\u012f tinklel\u012f kaip vaizdin\u012f atvaizd\u0105. Tai yra pirmin\u0117 \u012fvestis \u2013 nespalvoto ra\u0161to nuotrauka. Dauguma \u0161iuolaikini\u0173 i\u0161mani\u0173j\u0173 telefon\u0173 kamer\u0173 gali tai atlikti be jokios specialios nuskaitymo program\u0117l\u0117s. Jei norite suprasti vis\u0105 nuskaitymo paleidimo b\u016bd\u0173 spektr\u0105 skirtinguose \u012frenginiuose, \u017er. <a href=\"https:\/\/pageloot.com\/lt\/how-to\/scan-qr-codes\/\">QR kod\u0173 nuskaitymo vadovas<\/a> i\u0161samiai apra\u0161o \u201eiPhone\u201c, \u201eAndroid\u201c, plan\u0161etini\u0173 kompiuteri\u0173 ir stalini\u0173 kompiuteri\u0173 darbo eigas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2 \u017eingsnis: ra\u0161to aptikimas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Skaitytuvo programin\u0117 \u012franga naudoja ra\u0161t\u0173 atpa\u017einim\u0105, kad surast\u0173 QR kod\u0105 vaizde. Ji ie\u0161ko trij\u0173 ie\u0161kiklio ra\u0161t\u0173 kampuose. Surad\u0119s, skaitytuvas nustato:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kur kodas yra kadre<\/li>\n<li>Kokia kryptimi jis orientuotas (net jei pasuktas ar \u0161iek tiek pakreiptas)<\/li>\n<li>Kur yra kodo kra\u0161tai<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160is \u017eingsnis yra prie\u017eastis, kod\u0117l QR kodai i\u0161lieka skaitomi kampu \u2013 ie\u0161kiklio ra\u0161tai suteikia algoritmui pakankamai geometrijos i\u0161kraipymams koreguoti.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3 \u017eingsnis: tinklelio m\u0117gini\u0173 \u0117mimas ir duomen\u0173 i\u0161traukimas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nusta\u010dius kodo pad\u0117t\u012f ir orientacij\u0105, skaitytuvas nuskaito laiko ra\u0161tus ir lygiavimo \u017eymeklius, kad suprast\u0173 tinklelio strukt\u016br\u0105. Tada jis paima kiekvieno modulio m\u0117ginius konkre\u010diu zigzago keliu \u2013 i\u0161 de\u0161in\u0117s \u012f kair\u0119, tada auk\u0161tyn, tada \u017eemyn \u2013 pradedant nuo \u017einomos pad\u0117ties ir dirbant per kiekvien\u0105 duomen\u0173 modul\u012f, kol pasiekiamas pabaigos indikatorius.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Eidamas \u0161iuo keliu, skaitytuvas nuskaito:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>re\u017eimo indikatorius<\/strong> (keturi moduliai), nurodantys kodavimo tip\u0105 \u2013 skaitmenin\u012f, raidin\u012f-skaitmenin\u012f, baitin\u012f arba kand\u017ei<\/li>\n<li>A <strong>simboli\u0173 skai\u010diaus indikatorius<\/strong> kuriame nurodoma, kiek simboli\u0173 yra u\u017ekoduota<\/li>\n<li>Likusieji <strong>duomen\u0173 kodiniai \u017eod\u017eiai<\/strong> iki duomen\u0173 srauto pabaigos<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4 \u017eingsnis: Klaid\u0173 taisymas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nuskait\u0119s duomen\u0173 modulius, skaitytuvas apdoroja klaid\u0173 taisymo kodinius \u017eod\u017eius. QR kodai naudoja <strong>Reed\u2013Solomon klaid\u0173 taisym\u0105<\/strong>, kuris \u012fterpia perteklin\u0119 informacij\u0105, leid\u017eian\u010di\u0105 atkurti original\u0173 turin\u012f net tada, kai dalis kodo yra fizi\u0161kai pa\u017eeista arba u\u017edengta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yra keturi standartizuoti klaid\u0173 taisymo lygiai:<\/p>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>Lygis<\/th>\n<th>Atk\u016brimo paj\u0117gumas<\/th>\n<th>Geriausiai tinka<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L (\u017eemas)<\/td>\n<td>~7%<\/td>\n<td>\u0160varioms patalpoms<\/td>\n<\/tr>\n<tr>\n<td>M (vidutinis)<\/td>\n<td>~15%<\/td>\n<td>Bendroms rinkodaros med\u017eiagoms<\/td>\n<\/tr>\n<tr>\n<td>Q (kvartilis)<\/td>\n<td>~25%<\/td>\n<td>Pramoniniam ar lauko naudojimui<\/td>\n<\/tr>\n<tr>\n<td>H (didelis)<\/td>\n<td>~30%<\/td>\n<td>Kodams su logotipais, at\u0161iaurioms s\u0105lygoms<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Auk\u0161tesnis klaid\u0173 taisymo lygis rei\u0161kia, kad kodas gali atlaikyti daugiau pa\u017eeidim\u0173, ta\u010diau taip pat reikalauja daugiau moduli\u0173, tod\u0117l bendras simbolis tampa tankesnis. Jei prie QR kodo pridedate logotip\u0105 arba dedate j\u012f ten, kur jis bus veikiamas oro s\u0105lyg\u0173, pasirinkti H lyg\u012f yra teisingas sprendimas. Nor\u0117dami giliau pa\u017evelgti, kaip \u0161is kompromisas pasirei\u0161kia praktikoje, \u017er. straipsn\u012f apie <a href=\"https:\/\/pageloot.com\/lt\/blog\/how-error-correction-works-in-editable-qr-codes\/\">kaip veikia klaid\u0173 taisymas redaguojamuose QR koduose<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5 \u017eingsnis: Dekodavimas \u012f \u017emogui suprantam\u0105 turin\u012f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kai duomen\u0173 bitai yra atkuriami, skaitytuvas dekoduoja dvejetain\u0119 sek\u0105 pagal QR kodo kodavimo re\u017eim\u0105. Juodi kvadratai tampa vienetais, o balti \u2013 nuliais. Tada \u0161i dvejetain\u0117 eilut\u0117 paver\u010diama \u017emogui suprantamu turiniu \u2013 URL, telefono numeriu, teksto bloku, kontaktine informacija ar bet kokiu kitu duomen\u0173 tipu, kuriam kodas i\u0161 prad\u017ei\u0173 buvo sukurtas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jei kode yra URL, j\u016bs\u0173 \u012frenginys parodo raginim\u0105 j\u012f atidaryti. Tai yra momentas, kai nuskaitymo procesas perduodamas j\u016bs\u0173 nar\u0161yklei ar program\u0117lei.<\/p>\n\n\n\n<blockquote class=\"is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>I\u0161bandykite Pageloot nemokam\u0105 QR kodo skaitytuv\u0105<\/strong> Reikia dekoduoti QR kod\u0105 tiesiai i\u0161 paveiksl\u0117lio ar internetin\u0117s kameros? The <a href=\"https:\/\/pageloot.com\/lt\/qr-code-scanner\/\">Pageloot QR kodo skaitytuvas<\/a> veikia bet kurioje modernioje nar\u0161ykl\u0117je \u2013 nereikia atsisi\u0173sti program\u0117l\u0117s.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Kuo QR skaitytuvai skiriasi nuo br\u016bk\u0161nini\u0173 kod\u0173 skaitytuv\u0173<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pagrindin\u0117 fizika yra pana\u0161i: abiej\u0173 tip\u0173 skaitytuvai ap\u0161vie\u010dia ra\u0161t\u0105, aptinka atspind\u0117t\u0105 \u0161vies\u0105 ir dekoduoja rezultat\u0105. Ta\u010diau standartinis lazerinis br\u016bk\u0161nini\u0173 kod\u0173 skaitytuvas nuskaito vien\u0105 horizontali\u0105 linij\u0105, tod\u0117l jis gali apdoroti tik 1D br\u016bk\u0161ninius kodus. 2D QR kodo nuskaitymui reikalingas vaizdu pagr\u012fstas jutiklis, kuris vienu metu u\u017efiksuoja vis\u0105 ra\u0161t\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nor\u0117dami tiesiogiai palyginti, kuo \u0161ie du formatai skiriasi galimyb\u0117mis ir naudojimo atvejais, the <a href=\"https:\/\/pageloot.com\/lt\/barcode\/how-barcode-scanner-works\/\">br\u016bk\u0161nini\u0173 kod\u0173 skaitytuvo paai\u0161kinimas<\/a> i\u0161samiai apra\u0161o ap\u0161vietimo sistem\u0105, jutikl\u012f ir dekoderio komponentus \u2013 ir the <a href=\"https:\/\/pageloot.com\/lt\/barcode\/barcode-vs-qr-code\/\">br\u016bk\u0161ninio kodo ir QR kodo palyginimas<\/a> i\u0161skaido, kuris formatas labiau tinka skirtingoms verslo programoms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kas daro QR kod\u0105 lengvai (arba sunkiai) nuskaitomu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Supratimas apie nuskaitymo proces\u0105 atskleid\u017eia, kod\u0117l tam tikri dizaino pasirinkimai kenkia skaitomumui:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ma\u017eas kontrastas<\/strong> \u2013 skaitytuvas atskiria modulius pagal \u0161viesos atspind\u017eio skirtum\u0105 tarp juod\u0173 ir balt\u0173 sri\u010di\u0173; pilkai ant \u0161viesaus fono atspausdintas kodas \u0161io testo nei\u0161laiko<\/li>\n<li><strong>Tr\u016bkstama rami zona<\/strong> \u2013 be ai\u0161kios baltos para\u0161t\u0117s skaitytuvas negali patikimai nustatyti kodo kra\u0161t\u0173, ypa\u010d jei aplinkinis tekstas ar grafika yra arti<\/li>\n<li><strong>Per ma\u017eas \u017ei\u016br\u0117jimo atstumui<\/strong> \u2013 taikoma taisykl\u0117 10:1: kiekvieniems 10 cm nuskaitymo atstumo kodas tur\u0117t\u0173 b\u016bti bent 1 cm plo\u010dio; praktinis minimumas artimo nuotolio spausdinimui yra 2\u00d72 cm<\/li>\n<li><strong>Apverstos arba netradicin\u0117s spalvos<\/strong> \u2013 \u0161vies\u016bs moduliai tamsiame fone gali suklaidinti kai kuri\u0173 skaitytuv\u0173 ra\u0161t\u0173 atpa\u017einim\u0105<\/li>\n<li><strong>I\u0161plauk\u0119s arba pikseliuotas vaizdas<\/strong> \u2013 \u017eemos rai\u0161kos rastriniai vaizdai spausdinant suyra; vektoriniai formatai, tokie kaip SVG ar EPS, i\u0161lieka ry\u0161k\u016bs bet kokio dyd\u017eio<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">I\u0161sami\u0173 nurodym\u0173 d\u0117l dyd\u017eio, kontrasto, i\u0161d\u0117stymo ir testavimo rasite straipsnyje apie <a href=\"https:\/\/pageloot.com\/lt\/blog\/best-practices-for-qr-code-readability\/\">su QR kod\u0173 skaitomumo geriausia praktika<\/a> ap\u017evelgia kiekvien\u0105 veiksn\u012f su konkre\u010diomis rekomendacijomis.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/05\/qr-code-readability-79be55-69a8722887c7.webp\" alt=\"QR nuskaitymo skaitomumas\" \/><\/figure>\n\n\n\n<blockquote class=\"is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Kurkite kodus, skirtus nuskaityti<\/strong> Tas <a href=\"https:\/\/pageloot.com\/lt\/qr-code-generator\/\">Pageloot QR kodo generatorius<\/a> leid\u017eia kurti, tinkinti ir testuoti QR kodus su tinkamu klaid\u0173 taisymu, kontrastu ir formatu j\u016bs\u0173 konkre\u010diam naudojimo atvejui \u2013 o dinaminiai kodai gali b\u016bti atnaujinami po spausdinimo, negeneruojant naujo vaizdo.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Statiniai ir dinaminiai QR kodai: k\u0105 mato skaitytuvas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Skaitytuvo po\u017ei\u016briu, kiekvienas QR kodas atrodo vienodai: moduli\u0173 matrica, koduojanti duomen\u0173 eilut\u0119. Skirtumas tarp statini\u0173 ir dinamini\u0173 kod\u0173 yra tai, kokius duomenis jie turi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>statinis QR kodas<\/strong> tiesiogiai u\u017ekoduoja galutin\u0119 paskirties viet\u0105 \u2013 visas URL, tekstas ar kontaktin\u0117 informacija yra \u012fterpiama \u012f modulius k\u016brimo metu. Turin\u012f pakeitus, reikia generuoti nauj\u0105 kod\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>dinaminis QR kodas<\/strong> u\u017ekoduoja trump\u0105 peradresavimo URL, kuris nukreipia \u012f server\u012f. Nuskaitytas, tas peradresavimas nukreipia vartotoj\u0105 \u012f bet kuri\u0105 paskirties viet\u0105, kuri\u0105 kodo savininkas \u0161iuo metu nustat\u0117. Tai rei\u0161kia, kad fizinis kodas niekada nesikei\u010dia, ta\u010diau jo elgesys gali b\u016bti atnaujintas akimirksniu. Dinaminiai kodai taip pat leid\u017eia steb\u0117ti nuskaitymus \u2013 kiekvienas nuskaitymas registruoja duomen\u0173 ta\u0161k\u0105, kuris rodo, kada ir kur kodas buvo nuskaitytas, kokiu \u012frenginiu ir kaip da\u017enai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jei QR kodo kampanija turi b\u016bti i\u0161matuojama arba susietas turinys gali keistis, dinaminiai kodai yra prakti\u0161kas pasirinkimas. \u012emon\u0117ms, lyginan\u010dioms visas skaitytuvo program\u0117li\u0173 parinktis ir tai, ko ie\u0161koti skaitymo \u012frankyje, the <a href=\"https:\/\/pageloot.com\/lt\/blog\/best-qr-code-scanning-apps-comparison\/\">QR kodo nuskaitymo program\u0117li\u0173 palyginimas<\/a> apima pagrindines parinktis.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Da\u017eniausiai u\u017eduodami klausimai<\/h2>\n\n\n\n<div class=\"schema-faq\"><div class=\"schema-faq-section\" id=\"faq-question-4fd634767d09\"><strong class=\"schema-faq-question\">Ar man reikia specialios program\u0117l\u0117s nuskaityti QR kod\u0105?<\/strong> <p class=\"schema-faq-answer\">Ne. Dauguma i\u0161mani\u0173j\u0173 telefon\u0173, veikian\u010di\u0173 su \u201eiOS 11\u201c ar naujesne versija, ir \u0161iuolaikiniai \u201eAndroid\u201c \u012frenginiai gali nuskaityti QR kodus tiesiogiai per numatyt\u0105j\u0105 kameros program\u0117l\u0119. Norint daugiau kontrol\u0117s \u2013 pavyzd\u017eiui, nuskaityti i\u0161 i\u0161saugoto paveiksl\u0117lio arba patikrinti nuskaitymo istorij\u0105 \u2013 specializuotas \u012frankis, toks kaip \u201ePageloot QR scanner\u201c, veikia i\u0161 bet kurios nar\u0161ykl\u0117s be diegimo.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-fbb973c357f9\"><strong class=\"schema-faq-question\">Kod\u0117l mano QR kodas nuskaitomas kai kuriuose \u012frenginiuose, bet ne kituose?<\/strong> <p class=\"schema-faq-answer\">Da\u017eniausios prie\u017eastys yra ma\u017eas kontrastas, tr\u016bkstama rami zona, per ma\u017eas kodas \u017ei\u016br\u0117jimo atstumui arba per nery\u0161kus vaizdas, kad b\u016bt\u0173 galima atskirti modulius. Senesni \u012frenginiai su \u017eemesn\u0117s rai\u0161kos kameromis yra jautresni \u0161ioms problemoms. Testavimas su keliais \u012frenginiais prie\u0161 spausdinant ir naudojant auk\u0161tesnius klaid\u0173 taisymo lygius (Q arba H) suma\u017eina gedim\u0173 tikimyb\u0119. Vis\u0105 prie\u017eas\u010di\u0173 ir pataisym\u0173 s\u0105ra\u0161\u0105 rasite QR kodo neveikimo vadove.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-41e484ee4c97\"><strong class=\"schema-faq-question\">Kiek duomen\u0173 gali talpinti QR kodas?<\/strong> <p class=\"schema-faq-answer\">40 versijos QR kodas, esant \u017eemiausiam klaid\u0173 taisymo lygiui, gali u\u017ekoduoti iki 7 089 skaitmenini\u0173 simboli\u0173, 4 296 raidini\u0173-skaitmenini\u0173 simboli\u0173 arba 2 953 baitus dvejetaini\u0173 duomen\u0173. Prakti\u0161kai, trumpesni URL ir paprastesnis turinys generuoja ma\u017eiau tankius kodus, kurie nuskaitomi grei\u010diau ir patikimiau. I\u0161samus versijos, talpos ir klaid\u0173 taisymo kompromis\u0173 apra\u0161ymas pateikiamas QR kodo duomen\u0173 limit\u0173 vadove.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>Supraskite, kaip QR kodo skaitytuvai veikia per vaizdo fiksavim\u0105, ra\u0161to aptikim\u0105 ir klaid\u0173 taisym\u0105, kad i\u0161\u0161ifruot\u0173 juodai baltus modulius \u012f \u017emogui suprantamus duomenis.<\/p>","protected":false},"author":17,"featured_media":54315,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-2119","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 v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Best Open QR Code Scanner Pro Online<\/title>\n<meta name=\"description\" content=\"Pageloot is a fast &amp; open QR code scanner software online to interpret a wide range of QR &amp; barcodes at no cost. 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Daugiau nei penkerius metus gilinosi tik \u012f QR kodus, tod\u0117l Siimas tapo \u0161ios srities ekspertu. Jis daro reik\u0161mingus \u017eingsnius panaudojant QR technologij\u0105, kad supaprastint\u0173 ir padidint\u0173 skaitmenin\u0119 s\u0105veik\u0105. Jo kelion\u0117 prasid\u0117jo ne tik \u010dia. Siimas yra sukaup\u0119s didel\u0119 skaitmenin\u0119 patirt\u012f - daugiau nei 10 met\u0173 solid\u017eios patirties programin\u0117s \u012frangos kaip paslaugos (SaaS) sektoriuje, o tai liudija jo gilias skaitmenini\u0173 sprendim\u0173 \u017einias.","sameAs":["https:\/\/www.linkedin.com\/in\/siim-tiigimagi\/"]},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/qr-code-scanner-works\/#faq-question-4fd634767d09","position":1,"url":"https:\/\/pageloot.com\/how-to\/qr-code-scanner-works\/#faq-question-4fd634767d09","name":"Ar man reikia specialios program\u0117l\u0117s nuskaityti QR kod\u0105?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. Most smartphones running iOS 11 or later and modern Android devices can scan QR codes directly through the native camera app. For more control \u2013 such as scanning from a saved image or checking scan history \u2013 a dedicated tool like the Pageloot QR scanner works from any browser without installation.","inLanguage":"lt"},"inLanguage":"lt"},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/qr-code-scanner-works\/#faq-question-fbb973c357f9","position":2,"url":"https:\/\/pageloot.com\/how-to\/qr-code-scanner-works\/#faq-question-fbb973c357f9","name":"Kod\u0117l mano QR kodas nuskaitomas kai kuriuose \u012frenginiuose, bet ne kituose?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The most common causes are low contrast, a missing quiet zone, a code that's too small for the viewing distance, or an image that's too blurry to resolve the modules. Older devices with lower-resolution cameras are more sensitive to these issues. Testing across multiple devices before printing, and using higher error correction levels (Q or H), reduces the chance of failures. See the full list of causes and fixes in the QR code not working guide.","inLanguage":"lt"},"inLanguage":"lt"},{"@type":"Question","@id":"https:\/\/pageloot.com\/how-to\/qr-code-scanner-works\/#faq-question-41e484ee4c97","position":3,"url":"https:\/\/pageloot.com\/how-to\/qr-code-scanner-works\/#faq-question-41e484ee4c97","name":"Kiek duomen\u0173 gali talpinti QR kodas?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A Version 40 QR code at the lowest error correction level can encode up to 7,089 numeric characters, 4,296 alphanumeric characters, or 2,953 bytes of binary data. In practice, shorter URLs and simpler content produce less dense codes that scan faster and more reliably. The full breakdown of version, capacity, and error correction trade-offs is covered in the QR code data limits guide.","inLanguage":"lt"},"inLanguage":"lt"}]}},"_links":{"self":[{"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/posts\/2119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/comments?post=2119"}],"version-history":[{"count":2,"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/posts\/2119\/revisions"}],"predecessor-version":[{"id":54924,"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/posts\/2119\/revisions\/54924"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/media\/54315"}],"wp:attachment":[{"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/media?parent=2119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/categories?post=2119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pageloot.com\/lt\/wp-json\/wp\/v2\/tags?post=2119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}