Tshintsha PDF kuya WebP

Guqula Eyakho PDF kuya WebP amafayela kalula

Khetha amafayela akho

*Amafayela asusiwe ngemva kwamahora angu-24

Tshintsha amafayela mahhala, Pro abasebenzisi bangaguqula amafayela amakhulu kakhulu; Bhala manje

Ukulayisha

Indlela yokuguqula PDF kuya WebP

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 WebP amafayela

PDF kuya WebP Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiyiguqula kanjani ikhasi PDF libe yisithombe WebP?

Layisha phezulu ihele PDF futhi umguquli unikeza ikhasi ngalinye njengehele elihlukile WebP. 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. WebP Google 2010 isithombe ifomu, eyenziwe kusuka VP8 keyframe encoder futhi inhloso ukushintsha JPG, PNG ne GIF ngasikhathi sinye.

Ingabe i-WebP ixhasa ukubukhali?

Ifomethi ikhona, kodwa umsuka awuna-alpha ukuwunika - amafreyimu wevidiyo namakhasi ashicilelwe agcwele ukucasuka, ngakho wonke ama-pixel afika aqinile. Isixhumanisi se-alpha sisebenza ngemuva: kusho ukuthi ungasakaza isiqephu se WebP ngemuva ngaphandle kokushintsha ifomethi futhi. I-WebP ivame ukuba 25-35% ncane kune-JPG elinganayo futhi incane kune-GIF ephilayo, ngosizo lwesiphequluli esiphelele kusukela ngo-2020.

Yini isilungiselelo sekhwalithi okufanele ngisebenzise ku-WebP?

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-WebP inikeza izimo ezilahlekile nezingenalahlekile, ngokukhanya kwe-alpha nokubukeka okutholakalayo kunoma yikuphi.

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 WebP 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 WebP 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 WebP kodwa amafayela amakhulu.

Ingabe ngizokhipha amakhasi athile kuphela we PDF njenge WebP?

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

Ingabe i-WebP izogcina u-PDF ukusesha okusembhalweni?

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

Yini mayelana nezingasemva ezicacile ku WebP?

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

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

Kusuka kumasekondi angama-30 kuya kumasekondi angama-90 kukhasi lama-100 PDF → WebP 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 WebP?

Ikhasi le-150-DPI WebP 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.

PDF

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