Tshintsha JPG ukuba PDF

Guqula Eyakho JPG ukuba PDF iifayile ngokulula

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Indlela yokuguqula JPG ukuba PDF

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

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

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

JPG ukuba PDF Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndiyiguqula njani i-JPG ibe yi-PDF ukuwabelana nokuyishicilela?

Layisha phezulu ifayile JPG kwaye umguquli uyenza kwi PDF amaphepha ngokungagqibekanga okunovakalelo: A4 / ubungakanani beleta, 1-intshi yomda, ifonti efakwe ngaphakathi. Amacebo ephepha elininzi (DOCX, EPUB, XLSX) agcina ukuphela kwephepha; amacebo ezinto eziluncedo ezizi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi-zi- I-JPG yi-JPEG eqhelekileyo ukusukela ngo-1992, kwaye emva kweminyaka emithathu ihlala i-format esetyenziswa ziikhamera ezininzi kunye ne-web sites ezininzi zomfanekiso. I-PDF yifomati yoxwebhu olunokuthunyelwa lwe-Adobe ukusukela ngo-1993, emiselwe njenge-ISO 32000 kwaye ngoku yifomati yoxwebhu olunombala oqinileyo.

Yintoni ukuba umbhali ukhangela umbhalo okhoyo?

Uguqulelo luza kwenza umfanekiso wombhalo endaweni yombhalo ngokwakho, kwaye ukukhangela akufumani nto. Sebenzisa /pdf-ocr/ ukongeza umphezulu wombhalo owaziwayo kuqala; ukuqonda kophawu olubonakalayo luguqula iipixels eziskenelelweyo zibe zikhetho olukhethwayo, oonobumba abakhangelayo uguqulelo luya kuba luya kuthatha ngokufanelekileyo.

Ingaba ikhamera nendawo ye-metadata zithunyelwe kwi PDF?

I-EXIF ihamba ne-data yomfanekiso ofakwe ngaphakathi, oko kuthetha ukuba i-GPS iququzelela ukuba ifike ngaphakathi koxwebhu ofuna ukuwupapasha. Sebenzisa ukhetho lwe-strip-metadata ngexesha lokuguqula ukuba i PDF ihamba naphi na apho abantu bakhona — xa ifakwe ngaphakathi ayibonisi ukuba ikhona.

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.

Ingaba uguqulelo lwe JPG ukuya kwi PDF lugcina ifonti zam nohlobo lwam?

Ewe kumbhalo-obambekayo JPG (DOCX, ODT, HTML, TXT) — ifonti zifakwe kwi PDF ukuze i-output ibonakale ifana nakweyiphi na imboniso. Umfanekiso-wonke JPG (JPG, PNG) ubekwe embindini wephepha; ubeko lombhalo luyi-N/A apha.

Ndingadibanisa iifayile ezininzi JPG zibe yi PDF?

Ewe — khupha iifayile ezininzi JPG kummandla wokulayisha uze ukhethe "uthungelana kwi PDF" ukhetho. Zivela njengeephepha ezilandelelanayo kwi PDF kuluhlu lokulayisha; u-drag-to-reorder uxhaswa phambi kokuba uguqulelo luqhube.

Ubungakanani bephepha noluvo luya kusetyenziswa nini yi PDF?

Okumiselweyo: A4 okunene (ilizwe lonke) okanye umbhalo okunene (US). Okukhethwa kuko okuphambili kukubonisa ubungakanani bephepha (A3, A4, A5, umbhalo, osemthethweni, i-tabloid, okwenziwe ngokwezifiso) kunye noluvo (okunene / oluthe tyaba). Kumfanekiso JPG, "ukulungelelanisa ngokuzenzekelayo" ukhetha uluhlu loluvo ukuze luhambelane nobubanzi bomthombo.

Ingaba ikhonkco elingaphezulu le JPG lihlala likhona emva kokuguqulwa kwe PDF?

Ewe kwi JPG iifayili ezithwala i-hyperlink metadata (DOCX, ODT, HTML, EPUB). Umfanekiso JPG (JPG, PNG, TIFF) awunakho uvimba we-metadata oza kugcinwa. I PDF isebenzisa i-PDF eqhelekileyo ye-ankile ye-syntax ukuze ikhonkco lisebenze kuwo wonke umfundi we-PDF omtsha.

Ingaba i-PDF ephumayo ifuna ukukhangela ngombhalo okhethiweyo obonakalayo?

Ewe xa i JPG iqulethe umbhalo osemthethweni (DOCX, ODT, HTML, TXT, EPUB). Umfanekiso-osekelwe JPG uvelisa umfanekiso-wonke PDF; qhuba /pdf-ocr/ emva koko ukwenza ukuba kuphelelwe lixesha ngokukhangela umbhalo ngokwahlulahlula uphawu olubonakalayo. I-JPG ilahlekile: umfanekiso uguqulwa nge-DCT, u-quantized, kunye ne-entropiy-coded, ngeqhosha lomgangatho elilawula ukuba kuphi okuninzi okulahlekileyo.

Ndingayikhusela i-password ye-PDF emva kokuguqulwa?

Ayikho kule sixhobo ngokuthe ngqo — guqula JPG ukuya ku PDF kuqala, emva koko sebenzisa i /pdf- * izixhobo ukongeza i-password, umqondiso wamanzi, okanye uthintele uhlela / ushicilelo lweeimvume kwimveliso.

Ingaba ifile PDF iya kuba mkhulu kangakanani?

Ixhomekeke ku JPG umxholo. Iphepha le-10 DOCX ngefonti ezifakelweyo livelisa i-200-400 KB PDF. Umfanekiso we-10 JPG opheleleyo kwisisombululo sivelisa i-5-20 MB PDF. I-"qhobosha imifanekiso kwi-PDF" ephambili itshintshela kwakhona ukucofa imifanekiso efakelweyo kwi-JPG quality-85.

Ingaba i-JPG yam ifayile ifihlakeleyo ngexesha lokuguqulwa kwe-PDF?

Ewe - imodeli yobumfihlo efanayo neyokuguqulwa ngalinye: abaqeshi ababekwe ngokukodwa, ukucinywa okuzenzekelayo kwimizuzu, akukho kuhlaziyo lomxholo, akukho qeqesho lwe-corpus.

JPG

Iifayile zeJPG zisebenzisa i-lossy compression eyenzelwe iifoto, zibonelela ngobukhulu obuncinci beefayile ngelixa zigcina umgangatho obonakalayo.

PDF

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