Sinthani EPUB ku PDF

Sichoncho - izi kusintha zimasintha mawonekedwe. A EPUB imasintha masamba ake kuti akwaniritse kukula kwa masamba ndi kukula kwa font yomwe wowerenga akugwiritsa ntchito; PDF imasintha masamba a geometric nthawi yosintha, kotero pafoni mumapeza tsamba lonse lochepetsedwa kuposa masamba omwe amasinthidwa ku skrini. Izi ndi malonda abwino pamene mawonekedwe sayenera kusinthidwa, ndipo opanda pake pamene fayilo ndi yowerenga pa chipangizo chabwino. EPUB reflows malemba kwa chilichonse kukula chophimba ndi chilichonse font kukula, amene ndi zimene zimachititsa kuti owerenga pa foni monga e-m'badwo.

Yes, pamene onse awiri mafomu angawafotokozere. Cover art, Chapter divisions ndi navigable table of contents ndi zomanga metadata, choncho amapita mozungulira kuposa kukhala flattened mu malemba. Footnotes ndi index entries ndi zosalimba mbali — iwo amalowetsa mu inline malemba pa zolinga popanda ankare njira.

Ndikukhulupirira kuti ndinu woyenera, ndipo EPUB siyidzakhala. Mawebusayiti amatumiza decoder kwa PDF ndipo palibe kwa EPUB, choncho EPUB kulumikizana kumalepheretsa kutsitsa pomwe PDF imapanga inline. Izi ndizofala kwambiri pamene fayilo ikupita patsamba la webusaitiyi kuposa ku pulogalamu. PDF ikuwoneka ngati byte-by-byte yofanana pa makina onse ndi ma printa onse, chifukwa chake ma kontrakitala, ma invoice ndi mabuku a akatswiri onse amakhalamo.

DRM, m'mavuto ambiri. A protected EPUB ndi encrypted ndi kugwirizana ndi akaunti, ndipo palibe wosintha akhoza decrypt it - wathu anaphatikizapo. Fayilo inu mwapanga nokha, kapena anagula kuchokera DRM-free shopu, kusintha popanda mavuto onse. EPUB alibe fixed pagination, kotero masamba mitengo ndi zosatanthauza, ndi zovuta layout - tambala, malingana, multi-kolondola - degrades bwinobwino.

Zimatengera kuti pali mawu a m’bukuli. PDF yopangidwa kuchokera ku fayilo imagwiritsa ntchito malemba ochokera m’bukuli ndipo imatha kufunidwa. PDF yopangidwa kuchokera ku scans kapena zithunzi ndi chithunzi cha malemba koma sichingakhalepo mpaka OCR iwonjezere malemba. /pdf-ocr/ imapangitsa kuti izi zitheke, ndipo ndi bwino kuyendetsa pulogalamuyi panthawi yosintha yomwe imayembekezera kuwerenga mawu.

Ndiyo kwa malemba omwe ali ndi EPUB (DOCX, ODT, HTML, TXT) - mafonti amaphatikizidwa mu PDF kuti zotsatira zikhale zofanana pa woyang'anira aliyense. Image-only EPUB (JPG, PNG) imayika chithunzi patsamba; mawonekedwe ndi N / A.

Ndiye — chotsani mafayilo ambiri EPUB m'chigawo chotsitsa ndi kusankha "kuphatikizidwa m'modzi PDF". Amawonekera ngati masamba otsatirawa m'PDF m'njira yotsitsa; kusunthira-kusintha-mtengo kumathandizidwa pambuyo pa kusintha. Kuthandiza kwa kuphatikizira mafayilo osunthira m'modzi PDF.

Zosasinthika: A4 yozungulira (yakunja) kapena letter yozungulira (ya US). Zosankha zowonjezera zimasonyeza kukula kwa tsamba (A3, A4, A5, letter, legal, tabloid, zosiyanasiyana) ndi kuyendera (kuyendera / kuwala). Kwa chithunzi EPUB, "kuyendera kokha" kusankha kuyendera kuti igwirizane ndi mtundu wa chithunzicho.

Ndiyo kwa EPUB mafomu omwe amayendetsa metadata ya hyperlink yachidziwitso (DOCX, ODT, HTML, EPUB). Masamba a EPUB opangidwa ndi zithunzi (JPG, PNG, TIFF) alibe ma hyperlinks omwe angachitike. Fayilo ya PDF imagwiritsa ntchito mtundu wa PDF wokhazikika, kotero ma hyperlinks amagwira ntchito m'mabuku onse (Acrobat, Preview, Chrome, Edge).

Yes when the EPUB contains real text layers (DOCX, ODT, HTML, TXT, EPUB). Image-based EPUB produces an image-only PDF — to make it searchable, follow up with /pdf-ocr/ to run optical character recognition over the page bundle. EPUB ndi ZIP archive ya XHTML ndi CSS ndi manifest — mwamsanga webusaiti yaing'ono yophatikizidwa ngati buku.

Sichingakhale mu gawo ili limodzi - kusintha EPUB ku PDF koyamba, kenako kugwiritsa ntchito / pdf-protect / kuti muwonjezere mawu achinsinsi otsegulira, mawu achinsinsi a woyang'anira, kapena kusindikiza / kusintha zoletsa.