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Indlela yokuguqula PDF ukuba PNG

Inyathelo 1: Layisha eyakho PDF iifayile usebenzisa iqhosha elingasentla okanye ngokutsala nokuwisa.

Inyathelo lesi-2: Cofa iqhosha elithi 'Guqula' ukuze uqalise ukuguqula.

Inyathelo lesi-3: Khuphela i-converted yakho PNG iifayile

PDF ukuba PNG Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndiyiguqula njani i PDF iphepha ibe yi PNG umfanekiso?

Layisha phezulu ifayili PDF kwaye umguquli ubonisa iphepha ngalinye njengefayili ehlukileyo PNG. Ngokungagqibekanga iphepha ngalinye livela njengomfanekiso wayo; isiphumo sidityanisiwe njenge-ZIP yovimba elungele ukukhuphela. I-PDF yifomati yoxwebhu olunokuthunyelwa lwe-Adobe ukusukela ngo-1993, emiselwe njenge-ISO 32000 kwaye ngoku yifomati yoxwebhu olunombala oqinileyo. I-PNG yaphuhliswa ngowe-1996 njengento engekhoyo kwipateni ye-GIF, kwaye yayiyifomati yomfanekiso ongekhoyo kwi-web.

Ingaba i-PNG ixhasa ukubonakaliswa ngokucacileyo?

Ifomati isebenza, kodwa umbhali akafuni i-alpha ukunika - ii-frames zevidiyo kunye neephepha ezibonisiweyo zicacile ngokupheleleyo, ngoko ke zonke ii-pixels zifika ziqinile. Isiqhagamshelanisi se-alpha sihlala sisetyenziswa emva koko: kuthetha ukuba ungacima into ephuma kwi-PNG kamva ngaphandle kokuguqula i-format kwakhona. I-PNG yinketho efanelekileyo yokuthatha imifanekiso yekhusi, ilogos, umzobo womgca nantoni na enemiphetho eqinileyo okanye ebonisa ngaphaya — akukho cingo, akukho mbala obandayo.

Ingaba iifayili PNG ziya kuba zikhulu kangakanani?

Ikhulu kunalo lonke ulindeleyo, kuba PNG igcina i-pixel nganye ngokuchanekileyo kunokuba ilinganise. I-1080p ihlala iwela ngaphantsi kwe-2-5 MB kwaye i-4K ihlala ngaphantsi kwe-6-15 MB, ngoko ke ukuphuma okude kudibanisa ngokukhawuleza. Oku kurhwebo oluchanekileyo xa imifanekiso i feed iqhubekeka, kwaye okubi xa zihamba ngqo kwiphepha le-web. I-PNG isebenzisa uxinzelelo lwe-DEFLATE ngaphezulu kwamagqabantshintshi okuskena acociweyo, ngoko ke i-pixel nganye ihlala ngokuchanekileyo, kunye ne-8-bit epheleleyo ye-alpha channel.

Ndingaguqula kuphela inxalenye ye PDF endaweni yobuninzi bayo?

Ewe - uluhlu lwephepha lokhetho luthatha `1- 5`, `1,3,5` okanye `zonke`, ngoko isithuba esifanayo, isiqalelo okanye isiqulathi seefayili singasuswa ngaphandle kokusebenzisa isiphelo. Kuxwebhu olude olu lutshintsho phakathi kweefayile ezincinci kunye neekhulu ezininzi.

Ingaba i-PDF yecala le-uguqulelo ifuna ukuphendla?

Ixhomekeke ngokupheleleyo ukuba umbhalo obonakalayo ukhona. I PDF eyenziwe kuxwebhu ithatha umphezulu wombhalo obonakalayo kwaye ifuna ukukhangela; i PDF eyenziwe kwiskrini okanye imifanekiso ngumfanekiso wombhalo kwaye ayiyiyo, de i OCR ifake umphezulu. / pdf- ocr / iyenza loo nto, kwaye ifanele iqhube phambi kokuba nayiphi na uguqulelo olulindele ukufunda amagama.

Ndifumana umfanekiso omnye kwiphepha ngalinye?

Ewe - iphepha ngalinye libonisa njengefayili yayo PNG kwaye iseti ifika njenge-ZIP. Ukhetho loluhlu lwephepha luyicinezela ezantsi xa ufuna kuphela umgca okanye isithuba esifanayo, kwaye ukumisela kwiphepha elinye kubuyisela ifayili enye endaweni yovimba.

I-DPI ye PNG ibonisa ntoni?

Okungagqibekanga ku 150 DPI (okulungileyo kumboniso wekhusi noshicilelo oluninzi). Iinketho eziphambili zibonisa 72 (imifanekiso eqingqiweyo ye web), 150 (ezingagqibekanga), 300 (umgangatho woshicilelo), kunye ne 600 (umgangatho ophezulu wovimba). I-DPI ephezulu = iqaqambileyo PNG kodwa iifayile ezinkulu.

Ndingazikhuphela kuphela iphepha elikhankanyiweyo le PDF njenge PNG?

Ewe - ukhetho loluhlu lwephepha luya kuthatha izingeniso ezinjenge `1-5`, `1,3,5`, okanye `zonke` ukukhetha amaphepha aphi e PDF abonisa kwi PNG. Oku kuncedo xa isithuba okanye isingeniso se PDF eside kuphela esifunekayo.

Ingaba i PNG iya kugcina PDF ukuphendla okubhaliweyo?

Hayi — ukuguqula i-PDF ibe yi-PNG kuguqula umbhalo ube yi-pixels. Ukuba ufuna ukuphuma okuphelelwe lixesha, gcina umthombo njenge-PDF kwaye usebenzise isixhobo sokukhupha umbhalo. Ukuphuma komfanekiso (PNG) kukubonisa okubonakalayo, ukungena kwe-OCR, okanye uqhubekeko lomfanekiso.

Yintoni malunga nokungasemva okucacileyo kwi PNG?

PNG igcina isiqalo esicacileyo apho iphepha PDF alinakugcwala (eliqhelekileyo). JPG PNG ayikwazi ukugcina ukuqaqamba — amaphepha abonisa emthubi. Ukubonisa okucacileyo kwemveliso, i-PNG, TIFF, okanye i-WebP yindawo efanelekileyo.

Ithatha ixesha elingakanani i PDF ukuya e PNG ukufaka uxwebhu olunephepha eli-100?

Imalunga nemizuzu eli- 30 ukuya eli- 90 yephepha eli- 100 PDF → PNG kwi 150 DPI. I DPI ephezulu iphindaphindwe kabini okanye iphindwe kabini ixesha. Abasebenzisi abaphezulu bafumana abasebenzi abangaphezulu — amaphepha ali- 100 aqhelekileyo abonisa ngaphantsi kwemizuzu eli- 30 kulo mphakamo.

Yintoni ubungakanani befayili yephepha eliqhelekileyo PNG?

I-150-DPI PNG yephepha le-A4 liyi-200-800 KB (PNG) okanye 50-150 KB (umgangatho we-JPG 85). Yiphindaphindwe ngobalo lwephepha ukuze ubungakanani be-bundle — i-100-page PDF kwi-PNG bundle ihlala i-30-80 MB.

PDF

Iifayile zePDF zigcina ukufomatha kuzo zonke izixhobo kunye neenkqubo zokusebenza, nto leyo ezenza zibe zilungele ukwabelana ngamaxwebhu ekufuneka afane kuyo yonke indawo.