PNG kupita ku JPEG | Sinthani PNG kukhala JPEG pa intaneti kwaulere

Kukweza

Momwe mungasinthire PNG kukhala JPEG pa intaneti

Kuti mutembenuzire PNG kukhala JPEG, kokerani ndikuponya kapena dinani malo omwe tikukweza kuti tikweretse fayilo

Chida chathu chimasintha PNG yanu kukhala fayilo ya JPEG

Kenako mumadina ulalo wolanda fayilo kuti mupulumutse JPEG pamakompyuta anu

PNG kupita ku JPEG Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji PNG kupita ku JPEG popanda kuwononga mtundu wa chithunzi?

Kutumiza fayilo yanu ya PNG, ndiye kuti wosintha wathu amagwiritsa ntchito kuwongolera kwa mtundu wa JPEG. Kwa mafayilo osatha (PNG, TIFF, BMP) timasunga chilichonse cha pixel; kwa mafayilo owonongeka (JPG, WebP) mutha kuwongolera mtundu wamtunduwu pambuyo potsitsa. JPEG ndi standard yofanana ndi JPG ndi JFIF - the four-alemba kuwonjezeka ndi oyambirira, ndi the three-alemba mmodzi ali kokha chifukwa cha DOS 8.3 filename malire.

Kodi kusinthidwa kwa PNG kupita ku JPEG kumateteza kuwala?

Kuwala kumakhazikika pamene mukusintha kuti mugwiritse ntchito PNG, WebP, TIFF, GIF kapena SVG. Kusintha kuti mugwiritse ntchito JPG kumadula nyanja ya alpha pazenera lofiira. Ngati mukufuna kuwala, yesani mtundu womwe umagwirizana ndi kuwala, osati JPEG.

Kodi ndi chiyani za metadata EXIF pamene PNG ikusinthidwa kukhala JPEG?

Mu ambiri kusintha, kamera EXIF nyanja monga kamera mtundu ndi GPS malo si anachita mu JPEG. Palibe kukhazikitsa patsambali kuti atenge kapena kuchotsa metadata, choncho onetsetsani zotsatira ndi metadata woonera ngati ndi zofunika.

Kodi ndingasinthire mamiliyoni a PNG mafayilo ku JPEG pamodzi?

Mavidiyo ambiri m'modzi ntchito ayenera ndalama zolipira. Free ntchito ndi imodzi wapamwamba pa kusintha, imodzi kusintha pa ola. Pa ndalama zolipira dongosolo mukhoza kuwonjezera angapo owona kuti ntchito imodzi, ndiyeno download zotsatira zonse pamodzi kapena onse awo mu ZIP imodzi.

Kodi ndi mtundu uti wa fayilo yanga ya JPEG ndi kukula kwake?

Mtundu woyambirira ndi 1:1 — JPEG wanu wa kutuluka ali ndi pixels yofanana ndi yochokera ku PNG. Ngati mukufuna kusintha kukula ngati gawo la kusintha, kugwiritsa ntchito /resize-image/ chida pambuyo posintha, kapena kugwirizana ndi /image-resize/ chida.

Kodi fayilo ya JPEG ikhoza kukhala yochepa bwanji popanda zowoneka bwino?

Kwa JPG / WebP, mtundu wa 75-85 umapeza fayilo ya 60-80% yocheperako kuposa yochokera ku PNG popanda kuwonekera kwa kuwala kwa kutalika kwa kutalika. Kwa oyang'anira osatha (PNG, TIFF), yembekezerani kupulumutsa kwakukulu - nthawi zambiri 5-30% pogwiritsa ntchito kutsitsa bwino / LZW.

Kodi PNG fayilo yanga ndi yapadera nthawi yosintha?

Yes. Uploaded PNG owona amachitidwa pa zipangizo zathu zosiyanasiyana, palibe munthu kuganizira iwo, ndipo iwo si nthawi zonse anagawana. Upload ndi zosinthidwa JPEG onse anataya mwamsanga za 24 maola pambuyo kusintha, zomwe zimasiya nthawi kuti download zotsatira.

N'chifukwa chiyani fayilo yanga yosinthidwa JPEG ndi yayikulu / yaying'ono kuposa momwe ndimayembekezera?

Fayilo ya PNG ndi kutsitsa kwakukulu (mwachitsanzo, JPG yowonongeka kwambiri) nthawi zambiri imakula pamene ikusinthidwa kukhala JPEG yopanda malire (PNG, TIFF), ndipo PNG yopanda malire yopanda malire imatha kuwonjezeka kwambiri pamene ikuyenda ku JPG / WebP. Mtengo umadalira zomwe zili pazithunzi (mafayilo amasinthidwa mosiyana ndi zithunzi).

Kodi ndingagwiritse ntchito fayilo ya JPEG yosinthidwa pamalonda?

Ndikofunika. Kusintha kwa mtundu ndi kusintha kwa mtundu - ufulu wa ma copyright pazomwe zili pa chithunzicho umamvera inu (kapena amene ali ndi chidziwitso cha PNG). Timawonjezera palibe watermark, palibe metadata stamp, ndipo sitikufuna chilolezo pazomwe zimatuluka.

PNG

Mafayilo a PNG amathandizira kuwonekera bwino ndipo amagwiritsa ntchito kukanikiza kosataya, zomwe zimapangitsa kuti akhale abwino kwambiri pazithunzi, ma logo, ndi zithunzi.