Guqula EPUB kuya JPG

Guqula Eyakho EPUB 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 EPUB kuya JPG

Isinyathelo 1: Layisha eyakho EPUB 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

EPUB kuya JPG Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiyikhipha kanjani isihloko kusuka kuhele EPUB njenge JPG?

Layisha phezulu i EPUB futhi umguquli uthola isithombe sombhalo (ovame ukuphawulwa ku-OPF njenge `isithombe sombhalo`) futhi uyibuyisela njenge JPG. Ngokuzenzakalela sinikeza umbhalo ngesinqumo sayo esifakwe ngaphakathi; ukhetho oluthuthukisiwe "lokuguqula ubukhulu" lukuvumela ukuthi ubeke inhloso yobubanzi obuthile njenge-400x600 ye-thumbnail grid. I-JPG iyisimo se-JPEG esijwayelekile kusukela ngo-1992, futhi ngemuva kweminyaka emithathu ihlala iyisimo esisetshenziswa amakhamera amaningi namanye amawebhusayithi asebenzisa ama-photos.

Ingabe i-JPG izovulwa ngokuqondile kumsakazi?

Yebo, futhi i-EPUB ayikwazi. Amasiphequluli athumela umbhalo oguqulwe nge-JPG futhi akukho ku-EPUB, ngakho-ke i-EPUB ixhumana nokukhuphula uma i-JPG ibonisa umbhalo ongezansi. Lokhu kuvame ukube yisimo esibalulekile lapho ihele lihamba kwikhasi le-web ngaphezu kokungenisa isicelo. I-JPG icindezela izithombe ezijwayelekile ngokuhle futhi ifundeka nganoma iyiphi idivayisi, isiphequluli nephrinta ekhona.

Ingabe amakhasi encwadi ephinde iphinde

Ngokwenza ngazo kubungakanani bekhasi olukhethiwe kuqala, ngoba incwadi ephinde iphinde i

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.

Kungani ihele lami EPUB li refuses to convert?

DRM, cishe nganoma yisiphi isinqumo. I-EPUB ekhuselwe ibhalwe ngokufihlakele futhi ixhunywe ku-akhawunti, futhi akukho mguquli ongayifihla — sihlanganisa. Amafayela awenza wena, noma athengiswe esitolo esingena-DRM, uguqula ngaphandle kwezinkinga. I-EPUB ayinayo ikhasi eliqinile, ngakho-ke inani lekhasi alikho lutho, futhi ukwakheka okunzima — amathebulethi, izilinganiso, uhlu oluningi — kunzima kakhulu.

Ingabe ngingenza isiqephu kuphela se-EPUB 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 ngithola isithombe esisodwa ngamakhasi?

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

Ingabe ngizokwazi ukubonisa ikhasi ngalinye le EPUB njenge JPG?

Yes — switch the advanced option from "cover only" to "all pages" and we rasterize each EPUB page to a JPG at the chosen DPI, then bundle them in a zip. Reflowable EPUB pages render at a fixed page size (A5 / 6×9 / custom) before rasterization.

Ngabe isinqumo sizophuma kanjani ku JPG okhishwayo?

Iphutha liyi-1600×2400 (ibhokisi eliphakeme le-res elifanele ukuthunyelwa kwe-retailer). Izinketho ezithuthukisiwe zibonisa i-600×900 (isithombe esincane se-web), i-1200×1800 (ibhokisi le-Kindle store), i-1600×2400 (i-Apple Books / Kobo), kanye nezici ezijwayelekile ze-ad creatives.

Ingabe i-JPG izogcina i-EPUB iprofayili yombala wesigqoko?

Yebo — iprofayili ye-ICC efakwe ku EPUB ibhokisi (uma kune) igcinwa ku JPG. Iningi lencwadi ye-ebook elayishwe phezulu yi-ebook efakwe ku-sRGB, egcinwa yi-JPG. Ushicilelo olulungile lwe-CMYK, sebenzisa isikhashana /image-to-cmyk/ esisodwa ngemuva kokukhipha.

Ingabe ngingakwazi ukukhishwa amakhasi athile we EPUB njenge JPG, hhayi isibuko kuphela?

Yebo - ikhasi-lokulinganisa okuphezulu okukhethwa kuko lithatha izingeniso ezifana ne `1,3,5` noma `10-15` ukukhetha ukuthi iyiphi ikhasi elingeniswe EPUB eguqulwa ibe yi JPG amafayela. Esetshenziswa ukuqoqa iziboniso noma ukucindezela-ukuphawula kokuthengiswa.

Kungani i JPG iqoqo lami elikhishwayo limnyama noma liphansi?

I EPUB iqukethe isibuko esingu-low-resolution. Amabhukwana amaningi adala ahamba nge-600×900 noma ama-JPGs ancane we-cover - ukuphakama kwenza kube lula, hhayi okuqinile. Ukuthengiswa kwezimpahla, thola isibuko esingu-high-res kusuka kumshicileli ngaphezu kokuphakama kohlelo lwencwadi.

EPUB

I-EPUB iyifomethi ye-eBook ephinde igelezeke evumelana nosayizi besikrini abahlukene kanye nezintandokazi zokufunda.

JPG

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