Tshintsha 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

Ngiyiguqula kanjani ikhasi PDF libe yisithombe JPG?

Layisha phezulu ihele PDF futhi umguquli unikeza ikhasi ngalinye njengehele elihlukile JPG. Ngokungafani, ikhasi ngalinye lizoba nesithombe sayo; imiphumela iqoqwe njengehele le-ZIP elilungele ukulayisha. 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 ihlolwe?

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.

Yini i-DPI i JPG ibonisa ngayo?

Okuzenzakalelayo yi-150 DPI (kulungile ukubukela isikrini kanye nokuphrinta okuningi). Izinketho ezithuthukisiwe zibonisa 72 (isithombe esincane se-web), 150 (okuzenzakalelayo), 300 (umgangatho wokuphrinta), kanye ne-600 (umgangatho ophezulu wokugcina). I-DPI ephezulu = icacile JPG kodwa amafayela amakhulu.

Ingabe ngizokhipha amakhasi athile kuphela we PDF njenge JPG?

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

Ingabe i-JPG izogcina u-PDF ukusesha okusembhalweni?

Akukho — u-PDF ku-JPG uguqula umbhalo ube yi-pixels. Uma ufuna ukuphuma okudinga ukuphenywa, gcina umsuka njenge-PDF bese usebenzisa ithuluzi lokukhishwa kombhalo. Ukuphuma kwesithombe (JPG) kukhombisa okubonakalayo, OCR ukungenisa, noma ukuqhubekekisa sithombe.

Yini mayelana nezingasemva ezicacile ku JPG?

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

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

Kusuka kumasekondi angama-30 kuya kumasekondi angama-90 kukhasi lama-100 PDF → JPG ku-150 DPI. I-DPI ephakeme iphinda noma iphinda kabili isikhathi. Abasebenzisi be-premium bathola abasebenza ngokufanayo — amakhasi angama-100 avame ukuveza ngaphansi kwamasekondi angama-30 kulo mqondo.

Yini ubukhulu behele lwekhasi elijwayelekile JPG?

Ikhasi le-150-DPI JPG lekhasi 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 ngingakwazi ukuxhuma zonke ikhasi PDF kusithombe esiphakeme JPG?

Akukho emthonjeni oyinhloko — ikhasi ngalinye lizoba liyi JPG. Ukukhiqiza isithombe esithengwe, zulazula iZIP, bese usebenzisa /isithombe-sixhuma/ ukuxhuma ngokuqondile amafayela wekhasi ngalinye JPG.

PDF

Amafayela e-PDF agcina ukufometha kuwo wonke amadivayisi nezinhlelo zokusebenza, okwenza kube kuhle ukwabelana ngamadokhumenti okudingeka abukeke afana yonke indawo.

JPG

Amafayela e-JPG asebenzisa ukucindezela okulahlekile okwenzelwe izithombe, okunikeza osayizi abancane bamafayela ngenkathi kugcinwa ikhwalithi yokubuka.