{"id":55469,"date":"2026-06-30T08:18:22","date_gmt":"2026-06-30T08:18:22","guid":{"rendered":"https:\/\/staging.pageloot.com\/uncategorized\/how-to-resize-a-qr-code\/"},"modified":"2026-07-02T17:07:07","modified_gmt":"2026-07-02T17:07:07","slug":"resize-a-qr-code","status":"publish","type":"post","link":"https:\/\/pageloot.com\/lt\/how-to\/resize-a-qr-code\/","title":{"rendered":"Kaip pakeisti QR kodo dyd\u012f neprarandant nuskaitymo kokyb\u0117s"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Ar bandote pakeisti QR kodo dyd\u012f, bet gaunate nery\u0161k\u0173, nenuskaitom\u0105 rezultat\u0105? Neteisingai nustatyti matmenys \u2013 arba netinkamo failo formato naudojimas \u2013 gali padaryti j\u016bs\u0173 QR kod\u0105 visi\u0161kai nenaudingu po spausdinimo. \u0160is vadovas i\u0161samiai paai\u0161kins, kaip teisingai pakeisti QR kodo dyd\u012f, apimant fail\u0173 formatus, dyd\u017eio taisykles, rai\u0161kos reikalavimus ir da\u017eniausiai pasitaikan\u010dias klaidas, kuri\u0173 reikia vengti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kod\u0117l QR kodo dyd\u017eio keitimas nepavyksta<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dauguma QR kodo kokyb\u0117s problem\u0173 kyla d\u0117l vienos i\u0161 dviej\u0173 prie\u017eas\u010di\u0173: pradedant nuo netinkamo failo formato arba kei\u010diant vaizdo mastel\u012f vir\u0161ijant jo rai\u0161kos galimybes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kai paimate ma\u017eos rai\u0161kos rastrin\u012f vaizd\u0105 \u2013 JPEG arba ma\u017e\u0105 PNG \u2013 ir i\u0161tempiate j\u012f didesn\u012f savo dizaino programin\u0117je \u012frangoje, skaitytuvas turi skaityti nery\u0161kius, neai\u0161kius modulius, o ne ry\u0161kius juodai baltus kvadratus. Ma\u017eos rai\u0161kos QR kodo tempimas yra vienas patikimiausi\u0173 b\u016bd\u0173 gauti <a href=\"https:\/\/pageloot.com\/lt\/blog\/qr-code-print-resolution-guide\/\">nery\u0161k\u0173, nenuskaitom\u0105 spausdinimo rezultat\u0105<\/a>. Taip pat yra ma\u017eiau akivaizdi problema: dyd\u017eio keitimas gali nety\u010dia i\u0161kraipyti kodo proporcijas arba pa\u0161alinti rami\u0105j\u0105 zon\u0105 \u2013 ai\u0161k\u0173 balt\u0105 kra\u0161t\u0105 aplink kod\u0105 \u2013 d\u0117l ko skaitytuvai neteisingai nuskaito arba visi\u0161kai praleid\u017eia ra\u0161t\u0105. \u0160i\u0173 gedimo ta\u0161k\u0173 supratimas prie\u0161 kei\u010diant dyd\u012f yra tiesiausias kelias \u012f kod\u0105, kuris i\u0161 tikr\u0173j\u0173 veikia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vektorinis vs. Rastrinis: Svarbiausias failo formato sprendimas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vienintelis svarbiausias pasirinkimas, kur\u012f darote keisdami QR kodo dyd\u012f, yra tai, ar dirbate su vektoriniu, ar rastriniu failu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vektoriniai formatai (SVG, EPS, PDF)<\/strong> saugo QR kod\u0105 kaip matematines instrukcijas, o ne fiksuot\u0105 pikseli\u0173 tinklel\u012f. Tai rei\u0161kia, kad jie kei\u010dia mastel\u012f iki bet kokio dyd\u017eio \u2013 nuo pa\u0161to \u017eenklo iki reklaminio stendo \u2013 neprarandant ry\u0161kumo ar ai\u0161kumo. Viskam, kas bus spausdinama, vektorinis formatas yra teisingas pasirinkimas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rastriniai formatai (PNG, JPEG, BMP)<\/strong> kod\u0105 saugo kaip pikseli\u0173 tinklel\u012f su fiksuota rai\u0161kos riba. Kai juos padidinate vir\u0161 pradin\u0117s rai\u0161kos, programin\u0117 \u012franga turi sukurti pikseli\u0173 duomenis, o tai sukelia i\u0161siliejim\u0105. JPEG yra ypa\u010d problemi\u0161kas, nes jo glaudinimo algoritmas i\u0161lygina kra\u0161tus, tiesiogiai pakenkdamas ry\u0161kiam kontrastui, kurio reikia QR skaitytuvui, kad nuskaityt\u0173 kiekvien\u0105 modul\u012f.<\/p>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>Formatas<\/th>\n<th>Kei\u010dia mastel\u012f be nuostoli\u0173<\/th>\n<th>Rekomenduojama<\/th>\n<th>Pastabos<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SVG<\/td>\n<td>Taip<\/td>\n<td>Spauda, didelis formatas<\/td>\n<td>Geriausias bendrai kei\u010diant mastel\u012f<\/td>\n<\/tr>\n<tr>\n<td>EPS<\/td>\n<td>Taip<\/td>\n<td>Profesionali spauda<\/td>\n<td>Standartas spaudos dizaino darbo eigose<\/td>\n<\/tr>\n<tr>\n<td>PDF<\/td>\n<td>Taip<\/td>\n<td>Spauda, dalijimasis<\/td>\n<td>I\u0161saugo vektorinius duomenis<\/td>\n<\/tr>\n<tr>\n<td>PNG<\/td>\n<td>Ne (fiksuota rai\u0161ka)<\/td>\n<td>\u017diniatinklis, skaitmeninis ekranas<\/td>\n<td>Priimtinas esant didelei rai\u0161kai<\/td>\n<\/tr>\n<tr>\n<td>JPEG<\/td>\n<td>Ne (glaudinimas su nuostoliais)<\/td>\n<td>Nei vienas<\/td>\n<td>Visi\u0161kai venkite QR kodams<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Kai atsisiun\u010diate QR kod\u0105 spausdinimui, visada pasirinkite SVG arba EPS. Kai jums reikia rastrinio failo skaitmeniniam ekranui arba platformai, kuri nepriima vektorini\u0173 format\u0173, eksportuokite didel\u0117s rai\u0161kos PNG \u2013 niekada JPEG.<\/p>\n\n\n\n<blockquote class=\"is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Kurkite spausdinimui paruo\u0161tus QR kodus tinkamu formatu<\/strong> Sugeneruokite savo QR kod\u0105 ir atsisi\u0173skite j\u012f kaip spausdinimui paruo\u0161t\u0105 SVG, EPS arba PDF fail\u0105 naudodami <a href=\"https:\/\/pageloot.com\/lt\/qr-code-generator\/\">\u201ePageloot\u201c QR kod\u0173 generatorius<\/a>. Nereikia jokios dizaino programin\u0117s \u012frangos.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Rai\u0161kos taisykl\u0117s rastriniams failams<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Jei dirbate su PNG spausdinimui, rai\u0161ka \u2013 matuojama DPI (ta\u0161kais colyje) \u2013 lemia, ar kodas i\u0161liks ry\u0161kus galutiniame atspausdintame dydyje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Minimalus spausdinimo standartas yra 300 DPI galutiniais atspausdintais matmenimis.<\/strong> Tai rei\u0161kia, kad j\u016bs\u0173 paveiksl\u0117lio failo pikseli\u0173 matmenys turi atitikti numatyt\u0105 fizin\u012f dyd\u012f esant tokiam tankiui. Pavyzd\u017eiui:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>QR kodas, atspausdintas <strong>1 colis \u00d7 1 colis<\/strong> reikia bent <strong>300 \u00d7 300 pikseli\u0173<\/strong><\/li>\n<li>QR kodas, atspausdintas <strong>4 coliai \u00d7 4 coliai<\/strong> reikia bent <strong>1 200 \u00d7 1 200 pikseli\u0173<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Jei j\u016bs\u0173 failas neatitinka \u0161ios ribos j\u016bs\u0173 tiksliniame dydyje, atskiri moduliai \u2013 ma\u017ei kvadrat\u0117liai, kurie perduoda QR duomenis \u2013 susilies. Tuo metu skaitytuvas nebegali atskirti tamsos nuo \u0161viesos, ir kodas tampa neveiksmingas. Skaitmeniniams ekranams, ma\u017eiausiai apytiksliai <strong>240 \u00d7 240 pikseli\u0173<\/strong> yra praktin\u0117 gair\u0117 ekrano rodymo kodams, nors didesnis visada saugesnis priartinimui ir suderinamumui tarp \u012frengini\u0173. \u0160varesnis sprendimas spausdinimui yra visi\u0161kai praleisti rastr\u0105 ir naudoti vektorin\u012f fail\u0105, kuris suteikia neribot\u0105 mastel\u012f be joki\u0173 rai\u0161kos problem\u0173.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kaip pakeisti QR kodo dyd\u012f \u017eingsnis po \u017eingsnio<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1 \u017eingsnis: Prad\u0117kite nuo tinkamo \u0161altinio failo<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Atsisi\u0173skite arba eksportuokite savo QR kod\u0105 SVG arba EPS formatu, jei jis bus spausdinamas. Jei turite tik rastrin\u012f fail\u0105, prie\u0161 keisdami dyd\u012f patikrinkite, ar pikseli\u0173 matmenys palaiko 300 DPI j\u016bs\u0173 tiksliniame spausdinimo dydyje. PNG QR kodas gali puikiai veikti skaitmeniniam patalpinimui, kai eksportuojamas pakankama rai\u0161ka \u2013 galite j\u012f sukurti tiesiogiai naudodami <a href=\"https:\/\/pageloot.com\/lt\/qr-code-png\/\">PNG QR kodo generatorius<\/a> ir naudoti j\u012f visur, kur reikalingas skaidrumas arba rastrinis suderinamumas.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-cfd577-39bc4f04dd47.webp\" alt=\"QR dyd\u017eio keitimo \u017eingsniai\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2 \u017eingsnis: Masteliuoti proporcingai<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Visada i\u0161laikykite original\u0173 kra\u0161tini\u0173 santyk\u012f keisdami dyd\u012f. QR kodai pagal apibr\u0117\u017eim\u0105 yra kvadratiniai, o juos i\u0161tempiant horizontaliai arba vertikaliai, moduliai i\u0161kraipomi i\u0161 kvadrat\u0173 \u012f sta\u010diakampius, o tai gali suklaidinti arba sutrikdyti skaitytuvus. Bet kurioje dizaino programoje \u2013 Illustrator, Canva, InDesign, Photoshop \u2013 u\u017erakinkite kra\u0161tini\u0173 santyk\u012f prie\u0161 vilkdami kampin\u012f valdikl\u012f. Net subtilus i\u0161kraipymas yra pakankamas sukelti problem\u0173 su grie\u017etesniais skaitytuv\u0173 \u012fgyvendinimais.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3 \u017eingsnis: I\u0161saugokite rami\u0105j\u0105 zon\u0105<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Rami zona yra ai\u0161kus baltas kra\u0161tas, supantis QR kod\u0105 i\u0161 vis\u0173 keturi\u0173 pusi\u0173. ISO\/IEC 18004 standartas nurodo, kad \u0161i para\u0161t\u0117 turi b\u016bti bent keturi\u0173 moduli\u0173 plo\u010dio i\u0161 kiekvienos pus\u0117s. Kai kei\u010diate QR kodo dyd\u012f ir \u012fdedate j\u012f \u012f didesn\u012f dizain\u0105, \u0161i zona da\u017enai yra pirmas dalykas, kuris apkarpo arba \u012fsiskverbia \u012f kitus dizaino elementus. Jei kiekvienas j\u016bs\u0173 kodo modulis yra 2 mm plo\u010dio, j\u016bs\u0173 rami zona turi b\u016bti bent 8 mm i\u0161 vis\u0173 pusi\u0173. Laikykite \u0161i\u0105 erdv\u0119 nediskutuotina \u2013 jos pa\u0161alinimas sutrikdo skaitytuvo atpa\u017einim\u0105.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4 \u017eingsnis: Patikrinkite kontrast\u0105 po dyd\u017eio keitimo<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Dyd\u017eio keitimas ant spalvoto ar tekst\u016bruoto fono gali suma\u017einti efektyv\u0173 kontrast\u0105 tarp kodo moduli\u0173 ir jo aplinkos. Skaitytuvai remiasi tamsi\u0173 ir \u0161viesi\u0173 sri\u010di\u0173 skirtumu, kad nuskaityt\u0173 kod\u0105. Saugiausias derinys i\u0161lieka tams\u016bs moduliai \u0161viesiame fone \u2013 juoda ant balto suteikia 21:1 kontrasto santyk\u012f. Siekite minimalaus kontrasto santykio <strong>4:1<\/strong> tarp priekinio ir foninio plano spalv\u0173, ir venkite d\u0117ti kod\u0105 ant gradient\u0173, marg\u0173 ra\u0161t\u0173 ar atspindin\u010di\u0173 pavir\u0161i\u0173. I\u0161 <a href=\"https:\/\/pageloot.com\/lt\/blog\/qr-code-color-contrast-best-practices\/\">QR kodo spalv\u0173 kontrasto geriausios praktikos<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 5: Test Before Printing<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Print a proof at the exact intended size on the exact intended material, then test with multiple devices \u2013 both iOS and Android \u2013 before committing to a full production run. Test at the actual scanning distance users will experience. A code that scans perfectly at arm\u2019s length may fail at the distance it\u2019s actually placed. See <a href=\"https:\/\/pageloot.com\/lt\/blog\/how-to-test-qr-codes-for-mobile-usability\/\">how to test QR codes for mobile usability<\/a> for a full testing checklist.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Minimum and Maximum Size Guidelines<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Resizing a QR code responsibly means knowing the size boundaries for your specific use case. The core rule is the <strong>10:1 atstumo ir dyd\u017eio santykis<\/strong>: the maximum intended scanning distance should be approximately ten times the width of the QR code. A code scanned from 20 inches away should be at least 2 inches wide; one scanned from 5 feet away should be at least 6 inches wide; a billboard code scanned from 30 feet away should be at least 36 inches wide.<\/p>\n\n\n\n<figure><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-540e38-5d59bc388c5c.webp\" alt=\"QR dyd\u017eio taisykl\u0117\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For common print applications, here are reliable starting points:<\/p>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>Naudojimo atvejis<\/th>\n<th>Minimum Recommended Size<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Vizitin\u0117s kortel\u0117s<\/td>\n<td>0,8 \u00d7 0,8 colio (2 \u00d7 2 cm)<\/td>\n<\/tr>\n<tr>\n<td>Skrajut\u0117s ir bro\u0161i\u016bros<\/td>\n<td>1,2 \u00d7 1,2 colio (3 \u00d7 3 cm)<\/td>\n<\/tr>\n<tr>\n<td>Posters and signage<\/td>\n<td>1.6 \u00d7 1.6 in (4 \u00d7 4 cm)<\/td>\n<\/tr>\n<tr>\n<td>Billboards and banners<\/td>\n<td>16 \u00d7 16 in (40 \u00d7 40 cm) or larger<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For business card applications, 0.8 \u00d7 0.8 inches is the practical minimum for reliable close-range scanning \u2013 going smaller increases the risk of scan failure significantly. See the <a href=\"https:\/\/pageloot.com\/lt\/blog\/best-qr-code-sizes-for-business-cards\/\">guide to QR code sizes for business cards<\/a> d\u0117l konkre\u010di\u0173 rekomendacij\u0173 d\u0117l to formato. N\u0117ra oficialios vir\u0161utin\u0117s dyd\u017eio ribos; didinkite pagal poreik\u012f, atsi\u017evelgiant \u012f nuskaitymo atstum\u0105. I\u0161samiam suskirstymui pagal kiekvien\u0105 naudojimo atvej\u012f, <a href=\"https:\/\/pageloot.com\/lt\/how-to\/qr-code-size-guide\/\">QR kodo dyd\u017eio vadove<\/a> apima visk\u0105 nuo vizitini\u0173 korteli\u0173 iki reklamini\u0173 stend\u0173. Taip pat galite i\u0161tirti <a href=\"https:\/\/pageloot.com\/lt\/blog\/how-qr-code-size-impacts-visibility\/\">kaip QR kodo dydis veikia matomum\u0105<\/a> kad suprastum\u0117te platesn\u012f ry\u0161\u012f tarp matmen\u0173 ir nuskaitymo s\u0117km\u0117s.<\/p>\n\n\n\n<blockquote class=\"is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Reikia QR kodo savo vizitinei kortelei?<\/strong> Naudoti <a href=\"https:\/\/pageloot.com\/lt\/business-card-qr-code-generator\/\">Vizitin\u0117s kortel\u0117s QR kodo generatorius<\/a> sukurti kod\u0105, kurio dydis ir dizainas pritaikytas vizitini\u0173 korteli\u0173 spausdinimui, su SVG eksportu.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">Kaip duomen\u0173 tankis veikia dyd\u017eio keitim\u0105<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vienas veiksnys, apsunkinantis dyd\u017eio keitim\u0105, yra duomen\u0173 tankis \u2013 informacijos kiekis, u\u017ekoduotas QR kode. Kuo daugiau duomen\u0173 yra QR kode, tuo tankesnis tampa jo moduli\u0173 tinklelis. Tankesni tinkleliai reikalauja didesni\u0173 fizini\u0173 dyd\u017ei\u0173, kad atskiri moduliai b\u016bt\u0173 \u012fskaitomi kameros lygiu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">QR kodas, koduojantis ilg\u0105 URL su sekimo parametrais, turi daug daugiau duomen\u0173 nei tas, kuris nukreipia \u012f trump\u0105 peradresavimo URL. Suma\u017einus didelio tankio kod\u0105, moduliai tampa per ma\u017ei, kad dauguma i\u0161mani\u0173j\u0173 telefon\u0173 kamer\u0173 gal\u0117t\u0173 juos patikimai atpa\u017einti. Dinaminiai QR kodai tiesiogiai i\u0161sprend\u017eia \u0161i\u0105 problem\u0105. U\u017euot kodav\u0119 vis\u0105 paskirties URL, dinaminis kodas koduoja trump\u0105 vidin\u012f peradresavim\u0105, i\u0161laikydamas kodo duomen\u0173 tank\u012f \u017eem\u0105, nepriklausomai nuo to, kur jis nukreipia. Tai rei\u0161kia, kad galite spausdinti kod\u0105 ma\u017eesn\u012f, neprarandant nuskaitymo galimyb\u0117s \u2013 ir v\u0117liau atnaujinti paskirties viet\u0105 be pakartotinio spausdinimo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Klaid\u0173 taisymas ir dyd\u017eio keitimo tolerancija<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">QR kodai turi \u012fmontuot\u0105 klaid\u0173 taisym\u0105, kuris leid\u017eia juos nuskaityti net ir i\u0161 dalies pa\u017eeistus ar u\u017edengtus. ISO\/IEC 18004 standartas apibr\u0117\u017eia keturis lygius:<\/p>\n\n\n\n<figure>\n<table>\n<thead>\n<tr>\n<th>Lygis<\/th>\n<th>Atk\u016brimo galimyb\u0117<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L (\u017eemas)<\/td>\n<td>~7% duomen\u0173<\/td>\n<\/tr>\n<tr>\n<td>M (vidutinis)<\/td>\n<td>~15% duomen\u0173<\/td>\n<\/tr>\n<tr>\n<td>Q (kvartilis)<\/td>\n<td>~25% duomen\u0173<\/td>\n<\/tr>\n<tr>\n<td>H (didelis)<\/td>\n<td>~30% duomen\u0173<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Jei kei\u010diate QR kodo dyd\u012f \u012f ma\u017eesn\u012f dyd\u012f, arba pridedate logotip\u0105 \u012f kodo centr\u0105, padidinus klaid\u0173 taisymo lyg\u012f suteikiama apsauga nuo modulio lygio pa\u017eeidim\u0173 ar skenavimo netikslum\u0173. Q arba H lygis tinka firminiams ar labai pritaikytiems kodams. Tur\u0117kite omenyje, kad didesnis klaid\u0173 taisymas padidina duomen\u0173 tank\u012f, o tai gali reikalauti \u0161iek tiek didesnio minimalaus dyd\u017eio kompensavimui.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Da\u017enos dyd\u017eio keitimo klaidos, kuri\u0173 reikia vengti<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Naudojant ekrano nuotrauk\u0105 kaip \u0161altinio fail\u0105.<\/strong> Ekrano nuotraukos yra \u017eemos rai\u0161kos rastriniai vaizdai. J\u0173 didinimas spausdinimui yra viena da\u017eniausi\u0173 neskenuojam\u0173 QR kod\u0173 prie\u017eas\u010di\u0173.<\/li>\n<li><strong>Kodo tempimas neproporcingai.<\/strong> Net nedidelis horizontalus ar vertikalus i\u0161kraipymas pakei\u010dia modulio formas i\u0161 kvadrat\u0173 \u012f sta\u010diakampius, o tai gali neleisti skaitytuvams teisingai nuskaityti kodo.<\/li>\n<li><strong>Tyliosios zonos apkirpimas.<\/strong> Dyd\u017eio keitimas ank\u0161tame dizaino i\u0161d\u0117styme da\u017enai lemia, kad kiti elementai \u012fsiskverbia \u012f tyli\u0105j\u0105 zon\u0105. Palikite bent keturis ai\u0161kios erdv\u0117s modulius i\u0161 vis\u0173 pusi\u0173 \u2013 \u0161i para\u0161t\u0117 yra techninis reikalavimas, o ne stilistinis pasirinkimas.<\/li>\n<li><strong>Manymas, kad ekrane veikiantis kodas veiks ir spausdinant.<\/strong> Ekrano rodymas ir spausdintas rezultatas yra skirtingos aplinkos. Kodas, kuris ekrane atrodo ry\u0161kus esant 72 DPI, gali atsispausdinti nery\u0161kiai esant 300 DPI, jei pagrindin\u0117 failo rai\u0161ka to nepalaiko.<\/li>\n<li><strong>Netestavimas po dyd\u017eio keitimo.<\/strong> Visada patikrinkite nuskaitymo galimyb\u0119 ant galutin\u0117s med\u017eiagos, galutiniu dyd\u017eiu, i\u0161 numatyto nuskaitymo atstumo.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">I\u0161samesni\u0173 gairi\u0173 ie\u0161kokite <a href=\"https:\/\/pageloot.com\/lt\/blog\/qr-code-print-resolution-guide\/\">QR kodo spausdinimo rai\u0161kos vadove<\/a> ir <a href=\"https:\/\/pageloot.com\/lt\/blog\/best-practices-for-qr-code-readability\/\">geriausia praktika QR kodo skaitomumui<\/a> apima spausdinimui b\u016bdingas detales, kurias verta \u017einoti prie\u0161 pradedant gamyb\u0105.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Dyd\u017eio nustatymas skirtingoms spausdinimo med\u017eiagoms<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pavir\u0161ius, ant kurio spausdinate, turi \u012ftakos tam, kokio dyd\u017eio turi b\u016bti j\u016bs\u0173 QR kodas, nepriklausomai nuo nuskaitymo atstumo aplinkybi\u0173. Grub\u016bs, tekst\u016bruoti ar i\u0161lenkti pavir\u0161iai gali i\u0161kraipyti modulius ir suma\u017einti efektyv\u0173 kontrast\u0105, tod\u0117l jums gali prireikti padidinti mastel\u012f labiau, nei si\u016blyt\u0173 vien tik 10:1 taisykl\u0117.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lygus popierius arba kartonas<\/strong> \u2013 Taikomos standartin\u0117s dyd\u017eio gair\u0117s; matin\u0117s apdailos yra pageidautinos, o ne blizgios, siekiant suma\u017einti atspind\u017eius ir blizges\u012f<\/li>\n<li><strong>Gofruotas kartonas<\/strong> \u2013 Prid\u0117kite 10\u201325% prie minimalaus dyd\u017eio, siekiant kompensuoti pavir\u0161iaus tekst\u016br\u0105 ir kra\u0161t\u0173 nelygumus<\/li>\n<li><strong>Audinys<\/strong> \u2013 Lygus poliesteris gali naudoti standartinius minimumus; grub\u016bs ar tampr\u016bs tekstil\u0117s gaminiai da\u017enai reikalauja 25\u201350% didesni\u0173 kod\u0173<\/li>\n<li><strong>Metalas arba stiklas<\/strong> \u2013 Didelis atspind\u0117jimas sukelia nuskaitymo problem\u0173; naudokite matinius pavir\u0161ius arba vinilo perdangas ir padidinkite kodo dyd\u012f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">I\u0161sam\u0173 suskirstym\u0105 pagal med\u017eiagos tip\u0105 rasite <a href=\"https:\/\/pageloot.com\/lt\/blog\/qr-code-sizing-for-different-print-materials\/\">QR kodo dyd\u017eio nustatymas skirtingoms spausdinimo med\u017eiagoms<\/a>, ir gairi\u0173, kaip pats spausdinimo metodas veikia i\u0161vesties kokyb\u0119, <a href=\"https:\/\/pageloot.com\/lt\/blog\/how-printing-techniques-impact-qr-code-scannability\/\">kaip spausdinimo technikos veikia QR kodo nuskaitomum\u0105<\/a> verta perskaityti prie\u0161 pateikiant spausdinimo u\u017esakym\u0105. D\u0117l i\u0161d\u0117stymo sprendim\u0173, kurie vir\u0161ija dyd\u017eio nustatym\u0105, <a href=\"https:\/\/pageloot.com\/lt\/blog\/ultimate-guide-to-qr-code-placement-in-marketing\/\">QR kodo i\u0161d\u0117stymo vadovas rinkodarai<\/a> apima pozicionavim\u0105 pagal med\u017eiagos tip\u0105 ir kampanijos kontekst\u0105.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tinkamai keisti QR kodo dyd\u012f rei\u0161kia pasirinkti tinkam\u0105 failo format\u0105 prie\u0161 kei\u010diant dyd\u012f, i\u0161laikyti proporcijas ir tyliosios zonos para\u0161tes visame procese bei patikrinti, ar j\u016bs\u0173 i\u0161vestis atitinka rai\u0161kos ir kontrasto standartus galutiniame atspausdintame ar rodomame dydyje. Prad\u0117jus nuo vektorinio failo, did\u017eioji dalis rizikos visi\u0161kai pa\u0161alinama \u2013 jis \u0161variai kei\u010dia mastel\u012f bet kuria kryptimi be rai\u0161kos apribojim\u0173, kuriuos nustato rastriniai vaizdai. Jei kuriate QR kodus nuolatin\u0117ms kampanijoms, naudojant <a href=\"https:\/\/pageloot.com\/lt\/qr-code-generator\/\">dinaminis QR kodas<\/a> suteikia jums papildom\u0105 prana\u0161um\u0105 atnaujinti paskirties viet\u0105 po spausdinimo, tod\u0117l \u0161iandienos dyd\u017eio ar i\u0161d\u0117stymo sprendimas neu\u017erakina j\u016bs\u0173 \u012f pakartotinio spausdinimo i\u0161laidas ateityje.<\/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-21fa53946d9b\"><strong class=\"schema-faq-question\">Kas yra geriausias failo formatas QR kodo dyd\u017eio keitimui?<\/strong> <p class=\"schema-faq-answer\">SVG, EPS, arba PDF yra geriausi formatai dyd\u017eio keitimui, nes jie yra vektoriniai ir kei\u010diasi \u012f bet kok\u012f dyd\u012f neprarandant a\u0161trumo. PNG yra priimtinas skaitmeniniam naudojimui, kai eksportuojamas didele rai\u0161ka. JPEG reik\u0117t\u0173 visi\u0161kai vengti \u2013 jo suglaudinimas i\u0161lygina a\u0161trius kra\u0161tus, kuriuos skeneriai turi atskirti kiekvien\u0105 modul\u012f.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-ecf229ebd079\"><strong class=\"schema-faq-question\">Koks ma\u017eas gali b\u016bti QR kodas, kad vis dar b\u016bt\u0173 patikimai nuskaitomas?<\/strong> <p class=\"schema-faq-answer\">Prakti\u0161kai minimalus dydis daugumai artimo nuotolio spausdinimo program\u0173 yra 0,8 \u00d7 0,8 colio (2 \u00d7 2 cm). Ma\u017eesnis dydis padidina nuskaitymo gedimo rizik\u0105. Nor\u0117dami nuskaityti didesniais atstumais, taikykite 10:1 taisykl\u0119: kodo plotis tur\u0117t\u0173 b\u016bti bent viena de\u0161imtoji maksimalaus numatyto nuskaitymo atstumo \u2013 taigi, kodas, nuskaitytas i\u0161 20 coli\u0173 atstumo, tur\u0117t\u0173 b\u016bti bent 2 coli\u0173 plo\u010dio.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-a44eec90afda\"><strong class=\"schema-faq-question\">Ar QR kodo dyd\u017eio keitimas paveikia jo klaid\u0173 taisym\u0105 ar duomenis?<\/strong> <p class=\"schema-faq-answer\">Ne \u2013 u\u017ekoduoti duomenys ir klaid\u0173 taisymo lygis yra fiksuoti, kai kodas yra sugeneruojamas. Dyd\u017eio keitimas kei\u010dia tik fizinius arba pikseli\u0173 vaizdo matmenis. K\u0105 dyd\u017eio keitimas gali paveikti, yra tai, ar moduliai i\u0161lieka ai\u0161k\u016bs ir atskiriami naujuoju dyd\u017eiu, \u0161tai kod\u0117l 300 DPI i\u0161laikymas spaudai, tyliosios zonos para\u0161\u010di\u0173 i\u0161saugojimas ir proporcingas mastelio keitimas yra visi esminiai \u017eingsniai.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>I\u0161mokite, kaip pakeisti QR kodo dyd\u012f neprarandant nuskaitymo kokyb\u0117s. Sekite m\u016bs\u0173 vadov\u0105 apie vektorinius formatus, DPI reikalavimus ir mastelio keitimo taisykles patikimiems spausdinimo rezultatams.<\/p>","protected":false},"author":17,"featured_media":55356,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-55469","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 v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Resize a QR Code Without Losing Scan Quality<\/title>\n<meta name=\"description\" content=\"Learn how to resize a QR code without losing scan quality. Follow our guide on vector formats, DPI requirements, and scaling rules for reliable print results.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pageloot.com\/lt\/how-to\/resize-a-qr-code\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Resize a QR Code Without Losing Scan Quality\" \/>\n<meta property=\"og:description\" content=\"Learn how to resize a QR code without losing scan quality. Follow our guide on vector formats, DPI requirements, and scaling rules for reliable print results.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pageloot.com\/lt\/how-to\/resize-a-qr-code\/\" \/>\n<meta property=\"og:site_name\" content=\"Pageloot\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pageloot\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-06-30T08:18:22+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-02T17:07:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/06\/content-asset-639615-683ee679e76b.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Siim T\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@getpageloot\" \/>\n<meta name=\"twitter:site\" content=\"@getpageloot\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Siim T\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 minu\u010di\u0173\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/\"},\"author\":{\"name\":\"Siim T\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#\\\/schema\\\/person\\\/fa28992c2e52546f0812833bac852dfe\"},\"headline\":\"How to Resize a QR Code Without Losing Scan Quality\",\"datePublished\":\"2026-06-30T08:18:22+00:00\",\"dateModified\":\"2026-07-02T17:07:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/\"},\"wordCount\":2257,\"publisher\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/content-asset-639615-683ee679e76b.webp\",\"articleSection\":[\"Guides\"],\"inLanguage\":\"lt\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/\",\"url\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/\",\"name\":\"How to Resize a QR Code Without Losing Scan Quality\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/es\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/pageloot.com\\\/wp-content\\\/uploads\\\/2026\\\/06\\\/content-asset-639615-683ee679e76b.webp\",\"datePublished\":\"2026-06-30T08:18:22+00:00\",\"dateModified\":\"2026-07-02T17:07:07+00:00\",\"description\":\"Learn how to resize a QR code without losing scan quality. 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With a profound expertise spanning over 5 years solely on QR codes, Siim has become a subject matter expert in the field. He makes significant strides in leveraging QR technology to simplify and augment digital interactions. His journey didn\u2019t just start here. 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JPEG should be avoided entirely \u2013 its compression smooths the sharp edges that scanners need to distinguish each module.\",\"inLanguage\":\"lt\"},\"inLanguage\":\"lt\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-ecf229ebd079\",\"position\":2,\"url\":\"https:\\\/\\\/pageloot.com\\\/pt\\\/how-to\\\/resize-a-qr-code\\\/#faq-question-ecf229ebd079\",\"name\":\"How small can a QR code be and still scan reliably?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The practical minimum for most close-range print applications is 0.8 \u00d7 0.8 inches (2 \u00d7 2 cm). Going smaller increases the risk of scan failure. 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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. 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JPEG should be avoided entirely \u2013 its compression smooths the sharp edges that scanners need to distinguish each module.","inLanguage":"lt"},"inLanguage":"lt"},{"@type":"Question","@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-ecf229ebd079","position":2,"url":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-ecf229ebd079","name":"Koks ma\u017eas gali b\u016bti QR kodas, kad vis dar b\u016bt\u0173 patikimai nuskaitomas?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The practical minimum for most close-range print applications is 0.8 \u00d7 0.8 inches (2 \u00d7 2 cm). Going smaller increases the risk of scan failure. For scanning at greater distances, apply the 10:1 rule: the code's width should be at least one-tenth of the maximum intended scanning distance \u2013 so a code scanned from 20 inches away should be at least 2 inches wide.","inLanguage":"lt"},"inLanguage":"lt"},{"@type":"Question","@id":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-a44eec90afda","position":3,"url":"https:\/\/pageloot.com\/pt\/how-to\/resize-a-qr-code\/#faq-question-a44eec90afda","name":"Ar QR kodo dyd\u017eio keitimas paveikia jo klaid\u0173 taisym\u0105 ar duomenis?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No \u2013 the encoded data and error correction level are fixed when the code is generated. Resizing changes only the physical or pixel dimensions of the image. 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