Guqula PDF kuya JPG

Guqula Eyakho PDF kuya JPG amafayela kalula

Khetha amafayela akho

*Amafayela asusiwe ngemva kwamahora angu-24

Guqula amafayela afinyelela ku-1 GB mahhala, abasebenzisi be-Pro bangaguqula amafayela afinyelela ku-100 GB; Bhalisa manje

Ukulayisha

Indlela yokuguqula PDF kuya JPG

Isinyathelo 1: Layisha eyakho PDF amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho JPG amafayela

PDF kuya JPG Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiguqula kanjani amakhasi PDF abe JPG izithombe?

Layisha phezulu ihele PDF futhi umguquli unikeza ikhasi ngalinye njengehele elihlukile JPG. Ngokungagqibekanga ikhasi ngalinye lizoba nesithombe sayo; imiphumela iqoqwe njengehele le-ZIP elilungele ukulayisha phezulu. PDF yi Adobe's Portable Document Format kusukela ngo-1993, ejwayelekile njenge ISO 32000 futhi manje yidokhumende eliphelele eliqinile-lohlelo. I-JPG iyisimo se-JPEG esijwayelekile kusukela ngo-1992, futhi ngemuva kweminyaka emithathu ihlala iyisimo esisetshenziswa amakhamera amaningi namanye amawebhusayithi asebenzisa ama-photos.

Yini isilungiselelo sekhwalithi okufanele ngisebenzise ku-JPG?

Umgangatho 85 ulungile futhi usetshenziswa uma ungashintshanga - ubukeka ungafani nomthombo kude kakhulu, kuncane kakhulu kuncane kunesithupha sesimo esifanayo. Chofoza ku 95 nganoma yini ezoguqulwa noma iphrintwe, bese ukhuphuka ku 70 ngezithombe ezincane lapho ubukhulu bulawula khona. I-JPG ilahlekelwa yisimo: isithombe siguqulwa nge-DCT, silinganiselwe, futhi sikhonjiswa nge-entropiya, nge-nobhu wobude olawula ukuthi yini elahlekile.

Ingabe ngingenza isiqephu kuphela se-PDF endaweni yazo zonke?

Yebo — ikhasi-lokulinganisa ikhetha `1-5`, `1,3,5` noma `zonke`, ngakho isiqephu esisodwa, isiqephu noma isigqoko singakhishwa ngaphandle kokuqhubekekisa okushiwo. Kudokhumende elinobude lokhu kuyinto ehlukile phakathi kwengxenye yefayela nezigidi eziningi.

Ingabe i-PDF yengxenye yokuguqulwa ingase ifuneke?

Kuxhomekeka ngokuphelele ukuthi umbhalo ongokoqobo ukhona noma cha. I-PDF eyenziwe kusuka kudokhumende ifaka umbhalo ongokoqobo futhi itholakale; i-PDF eyenziwe kusuka ku-scans noma izithombe yisithombe sombhalo futhi ayinjalo, kuze kube i-OCR ifaka umbhalo. /pdf-ocr/ yenza lokho, futhi kufanelekile ukuqhuba ngaphambi kokuguqulwa okulindeleke ukufundwa kwegama.

Ingabe ngithola isithombe esisodwa ngamakhasi?

Yebo - ikhasi ngalinye libonisa njengehele layo JPG futhi iset ifika njenge ZIP. Ikhasi-lokulinganisa ukhetho linciphisa lapho ufuna nje isigqoko noma isiqephu esisodwa, futhi limisa kukhasi elilodwa libuyisela ifayela elilodwa endaweni yokugcina.

I-JPG ibonisa kanjani i-DPI?

Iphutha ngu-150 DPI (ilungile ukubukela isikrini kanye nokuphrinta okuningi). Izinketho eziphezulu zibonisa 72 (ithumbnail ye-web), 150 (iphutha), 300 (umgangatho wokuphrinta), kanye no-600 (umgangatho ophezulu we-archive). I-DPI ephezulu = icacile JPG kodwa amafayela amakhulu.

Ingabe ngizokhipha amakhasi athile kuphela we PDF njenge JPG?

Yebo — ikhasi-eliphakathi lokukhethwa kukho li accetta izingeniso ezifana ne `1-5`, `1,3,5`, noma `zonke` ukukhetha ukuthi iziphi ikhasi le PDF ezibonisa ku JPG. Kuhle uma isigaba noma isiqephu eside se PDF kuphela esidingekayo.

Ingabe i-JPG izogcina ukusesha kwe-PDF?

Akunakwenzeka — ukuguqula i-PDF ibe yi-JPG kushintsha umbhalo ube yi-pixels. Uma ufuna ukukhipha okudinga ukuphenywa, gcina umsuka njenge-PDF bese usebenzisa ithuluzi lokukhishwa kombhalo. Ukukhipha isithombe (JPG) kusetshenziselwa ukukhombisa okubonakalayo, ukungenisa i-OCR, noma ukuqhubekekisa isithombe.

Yini mayelana nezingasemva ezicace gca ku JPG?

PNG JPG igcina isizinda esicacile lapho ikhasi PDF alinalutho (elincane). JPG alikwazi ukugcina ukubukeka okucacile — amakhasi abonisa umbala omhlophe. Ukuphuma okucacile, inhloso PNG, TIFF, noma WebP.

Ingabe PDF kuya ku JPG kuzothatha isikhathi esingakanani ukuze kufakwe idokhumende lekhasi elingama-100?

Kusuka kumasekondi angama-30 kuya kumasekondi angama-90 wekhasi lama-100 PDF → JPG ku-150 DPI. I-DPI ephakeme iphinda kabili noma iphinda kabili isikhathi. Abasebenzisi bepremiyamu bathola abasebenzi abangaphezu kwe-parallel — amakhasi angama-100 avame ukuveza ngaphansi kwamasekondi angama-30 kulolu hlobo.

Yini ubukhulu behele lwekhasi elijwayelekile JPG?

Ikhasi le-150-DPI JPG le-A4 lingu-200-800 KB (PNG) noma 50-150 KB (JPG quality 85). Ukuphindaphinda ngekhasi lokubala ubukhulu be-bundle — ikhasi le-100 PDF le-PNG bundle livame ukuba ngu-30-80 MB.

Ingabe ngizohlanganisa zonke ikhasi PDF ibe yisithombe esiphakeme JPG?

Ayikho ku-base flow — ikhasi ngalinye lizoba JPG layo. Ukukhiqiza isithombe esithengwe, cindezela i-ZIP, bese usebenzisa /image-merge/ ukuxhuma ngokuqondile amafayela wekhasi ngalinye JPG.

PDF

Amafayela we-PDF agcina ukwakheka kuwo wonke amadivayisi namasistimu wokusebenza, okwenza kube ngcono ukuwabelana amafayela adinga ukubonakala kufanayo kuwo wonke amanye.

JPG

Amafayela we-JPG asebenzisa ukucindezeleka okulahlekile okuhlanganisiwe ngezithombe, okunikeza ubukhulu befayela elincane ngenkathi kugcinwa isixazululo esibonakalayo.