Mataki na 1: Loda naka PDF fayiloli ta amfani da maɓallin da ke sama ko ta hanyar ja da sauke su.
Mataki na 2: Danna maɓallin 'Maida' don fara hira.
Mataki na 3: Sauke fayil ɗin da aka canza JPEG fayiloli
PDF zuwa JPEG Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan canza shafuka PDF zuwa JPEG hotuna?
+
Ka shigar da fayil PDF kuma mai maida zai nuna kowace shafi kamar wata fayil mai zaman kanta JPEG. Bisa diff, kowace shafi na zama hotonta na musamman; sakamakon ana haɗa shi a matsayin wata arshiya ZIP mai shiryarwa don saukewa.
Mene ne DPI na JPEG?
+
Diffanta shine 150 DPI (mai kyau ga gani na fuskar kwamfyuta da kuma mafi yawan bugawa). Zaɓuɓɓukan cigaba suna nuna 72 (zanen ƙananan fuska na yanar gizo), 150 (diffanta), 300 (kwarewa na bugawa), da 600 (arziƙi mai inganci mai girma). Mafi girman DPI = mafi tsananin JPEG amma fayiloli mafi girma.
Shin zan iya fitar da wasu shafuka na PDF kawai kamar JPEG?
+
Na'am — zaɓin yanki-na-saka yana karɓar shigarwa kamar su `1-5`, `1,3,5`, ko kuma `duk` don zaɓar waɗanne shafuka na PDF za'a nuna zuwa JPEG. Yana da amfani idan ana buƙatar sashe ko kuma kwafin ƙarshe na PDF mai tsawo kawai.
Shin JPEG zai kiyaye PDF na iya neman rubutu?
+
Ba haka ba — rasterization PDF zuwa JPEG zai canza rubutu zuwa pixels. Idan kana buƙatar fitarwa da za'a iya nemanta, ka riƙe ma'anar kamar PDF kuma ka yi amfani da kayan aikin fitar da rubutu. fitarwa ta hoton (JPEG) tana da amfani da nuna gani, shigarwa OCR, ko kuma ci gaba da sarrafa hoton.
Me ya faru game da bango mai haske cikin JPEG?
+
PNG JPEG na kiyaye wani bango mai haske inda fuskar PDF ba ta da cika (rarrabuwa). JPG JPEG ba zai iya adana haske ba — fuskokin suna nunawa a kan fari. Ga fitarwa mai haske, PNG, TIFF, ko WebP.
Menene lokacin da PDF zuwa JPEG ke ɗauka don wata takardar shaida mai shafuka 100?
+
Daga sakan 30 zuwa 90 ga shafi na 100 PDF → JPEG a DPI 150. Mafi girman DPI na ninka ko kuma na ninka sau uku lokacin. Masu amfani da Premium suna samun ma'aikata masu yawa na parallel — shafuka 100 suna nunawa a cikin sakan 30 a wannan mataki.
Mene ne girman fayil na wani shafi na JPEG?
+
150-DPI JPEG na wata fuskar A4 yana da 200-800 KB (PNG) ko 50-150 KB (jinkirin JPG 85). Ka riƙa lissafin fuskar zuwa girman bundle — fuskar 100 PDF zuwa PNG bundle tana da 30-80 MB.
Shin zan iya haɗa dukkanin shafuka PDF cikin wani hoton mai tsayi JPEG?
+
Ba a cikin gudun farko ba — kowace fuska na zama JPEG ta kanta. Don samar da hoton da aka haɗe, sauke ZIP, sa'an nan kuma amfani da /image-merge/ don haɗe fayilolin JPEG na kowace fuska a tsaye.
Shin PDF na na sirri ne yayin canja wurin JPEG?
+
Na'am — irin wannan siffar sirri: masu aiki na ɗaure, cirewa cikin minti, ba da bincikar mutum, ba da damar ɓangare na uku zuwa PDF ko fitarwa JPEG da aka yi.
Shin hotunan da aka yanka cikin PDF za su bayyana daidai cikin JPEG?
+
Na'am — an yi zane-zane na JPGs, PNGs, da kuma zane-zane cikin layin cikin PDF cikin JPEG a DPI na shafi da aka zaɓa. Mai nuna shafi na yi musu aiki kamar kowane wani ɓangare na shafi; ba a rasa ingancin ba bayan rasterization.
Shin zan iya canja shafi na farko na PDF zuwa JPEG na thumbnail?
+
Na'am — ka ƙayyade zaɓin yanki-na-saka zuwa `1` kuma mai musanya zai samar da fayil ɗaya JPEG (ba ZIP ba). Yana da amfani ga samar da hotunan ƙafafun ɗakin karatu PDF ko katalogi na eBook.
Me yasa JPEG na ke nunawa da pixels idan an ƙara girma?
+
Kana rasterizing abun cikin vector zuwa pixels - zumunci yana kara girman grid ɗin rasterization. Domin fitarwa mai zumunci-ba-da-farashi, a yi amfani da SVG (inda PDF ke da vector). Don rasters masu haske a zumunci, ƙara DPI zuwa 300 ko 600 cikin zaɓuɓɓukan ci gaba.
Fayilolin PDF suna kiyaye siffar a cikin duk na'urori da tsarin aiki, suna sanya su mafi kyau ga raba fayiloli da suke buƙatar ganin daidai a duk inda suke.