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Kukweza

Momwe mungasinthire PNG ku PDF

Gawo 1: Kwezani yanu PNG mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa PDF mafayilo

PNG ku PDF Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji PNG kupita ku PDF kuti ndizigawana kapena kusindikiza?

Kutsitsa fayilo ya PNG ndipo wosintha amasintha patsamba la PDF ndi zosasinthika zosasinthika: A4 / kukula kwa kalata, ma margins a 1-inchi, ma fonts ophatikizidwa. Masamba ambiri (DOCX, EPUB, XLSX) amateteza masamba awo oyambirira; masamba amodzi (zithunzi) amapeza tsamba limodzi, amasinthanso tsambalo. PNG anapangidwa mu 1996 monga patent-free kuchotsa kwa GIF, ndi anayamba webusaiti default lossless chithunzi mtundu. PDF ndi Adobe's Portable Document Format kuchokera 1993, standardized monga ISO 32000 ndi pano universal fixed-layout wapamwamba.

Kodi mungatani ngati chiyambi ndi scan ndi palibe mawu weniweni m'malo mwake?

Pamenepo kusinthaku kumabweretsa chithunzi cha mawu osati mawu okha, ndipo kufunsa kumapeza chilichonse. Kuchita /pdf-ocr/ kuti muwonjezere gawo lodziwika bwino la mawu koyamba; kuzindikira kwa optical character kumasintha ma pixels oyang'ana kukhala ma character osankhidwa, ofunsira omwe kusinthaku kungagwiritsidwe ntchito bwino.

Kodi chimachitika ndi malo owoneka bwino a PNG anga m'PDF?

Amapangidwa ndi tsamba, lomwe ndi lofiira mwazosankha, kotero kumbuyo kowoneka bwino kumasintha kukhala kofiira. Ngati chithunzichi chili ndi mawonekedwe azithunzi zofiira, sankhani mtundu wofiira wa matte patsamba lofiira, popeza mudzafuna kuchotsa mtunduwo m'buku.

Kodi PDF mbali ya ichi kusintha searchable?

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.

Kodi kusinthidwa kwa PNG kupita ku PDF kumasunga mafonti anga ndi mafonti?

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

Kodi ndingagwirizanitse mafayilo ambiri a PNG kukhala a PDF?

Ndiye — chotsani mafayilo ambiri PNG 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.

Kodi PDF imagwiritsa ntchito kukula ndi kuyendera kwa tsamba liti?

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 PNG, "kuyendera kokha" kusankha kuyendera kuti igwirizane ndi mtundu wa chithunzicho.

Kodi ma hyperlinks anga a PNG adzapulumuka kusinthidwa kwa PDF?

Ndiyo kwa PNG mafomu omwe amayendetsa metadata ya hyperlink yachidziwitso (DOCX, ODT, HTML, EPUB). Masamba a PNG 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).

Kodi PDF imafunidwa ndi malemba omwe angasankhidwe?

Yes when the PNG contains real text layers (DOCX, ODT, HTML, TXT, EPUB). Image-based PNG produces an image-only PDF — to make it searchable, follow up with /pdf-ocr/ to run optical character recognition over the page bundle. PNG amagwiritsa ntchito DEFLATE kusamvana pa scanlines zofiltered, choncho aliyense pixel amapulumuka moyenera, kuphatikizapo 8-bit alpha channel.

Kodi ndingateteze ndi mawu achinsinsi PDF pambuyo posintha?

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

Kodi fayilo ya PDF idzakhala yotani?

Kutengera pa PNG. DOCX ya 10-page ndi mafonti ophatikizidwa amapanga 200-400 KB PDF. JPG ya 10-image pazosankha zonse imapanga 5-20 MB PDF. Kusintha kwa "kuchepetsa zithunzi mu PDF" kumasinthanso zithunzi zophatikizidwa pa JPG quality-85 kuti zichepetse PDF mosasamala.

Kodi PNG yanga ndi yapadera panthawi ya PDF yosinthira?

Inde - mtundu wofanana wa kuteteza deta: ogwira ntchito osiyana, kuchotsa kwaokha m'maola angapo, palibe kuyankha kwa munthu pazomwe zili.

PNG

PNG mafayilo amagwiritsa ntchito kuwala kwazithunzi ndi kuchepetsa kuwala kwazithunzi, zomwe zimawapangitsa kukhala abwino kwa zithunzi, malogo, ndi zithunzi zazithunzi.

PDF

Mafayilo a PDF amasunga mawonekedwe pazida zonse ndi machitidwe ogwiritsira ntchito, zomwe zimapangitsa kuti akhale abwino kugawana zikalata zomwe ziyenera kuwoneka zofanana kulikonse.