Sinthani JPG ku PNG

Sinthani Yanu JPG ku PNG zolemba molimbika

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Kukweza

Momwe mungasinthire JPG ku PNG

Gawo 1: Kwezani yanu JPG 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 PNG mafayilo

JPG ku PNG Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

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

Amathandiza kudziwa zomwe zimapangitsa kuti zikhale zoyenera: JPG imasunga RGB ya 8-bit pogwiritsa ntchito DCT yopanda phindu ndi 4: 2: 0 chroma subsampling mosalekeza, kotero malemba oyera ndi olimba ndi zinthu zoyamba zomwe zimayenera kuchepetsedwa, pomwe PNG ndi lossless DEFLATE ndi 8-bit alpha channel ndi 16-bit kuwala, kotero kuti si nthawi zonse amawononga pa re-kupulumutsa koma amapeza lalikulu pa zithunzi za zinthu. Lowani fayilo yanu ya JPG ndipo wosintha wathu amagwiritsa ntchito kuwongolera kwa mtundu wodziwa mtundu wa PNG - kwa opanga opanda malire (PNG, TIFF, BMP, PSD) onse a pixel amasunga; kwa opanga opanda malire (JPG, WebP, GIF) mutha kuwongolera mtundu wabwino pambuyo potsitsa.

Kodi kusinthidwa kwa JPG kupita ku PNG kumateteza kuwala?

Kuwala kumatha kupezeka popita ku PNG, WebP, TIFF, GIF, ICO, PSD kapena SVG. Kusintha kwa JPG / JPEG / JFIF kumadula chingwe cha alpha pazenera lofiira - ngati mukufuna kuwala, gwiritsani ntchito mtundu wowala womwe umadziwa kuwala kuposa PNG.

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

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

Kodi ndingasinthire mamiliyoni a JPG mafayilo ku PNG pamodzi?

Several files in one job need a paid plan. Free use is one file per conversion, one conversion an hour. On a paid plan you can add several files to one job, then download each result on its own or all of them in one ZIP.

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

Mtundu woyambirira ndi 1:1 — PNG imatulutsa zithunzi ndi pixels zofanana ndi JPG. ICO imatulutsa zithunzi ndi kusiyana (imapereka stack ya multi-resolution: 16/32/48/64/128/256). Ngati mukufuna kusintha kukula kwa chithunzi ngati gawo la kusintha, kugwiritsa ntchito /resize/ pambuyo pa kusintha.

Kodi JPG fayilo yanga ndi yapadera nthawi yosintha?

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

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

Kukula kumasankhidwa ndi mapangidwe awiri ophatikizika, osati ndi wosinthira. Kukumbukira kuti JPG imasunga RGB ya 8-bit pogwiritsa ntchito DCT yopanda phindu ndi 4: 2: 0 chroma subsampling mosalekeza, kotero malemba oyera ndi olimba ndi zinthu zoyamba zomwe zimayenera kuchepetsedwa, pomwe PNG ndi lossless DEFLATE ndi 8-bit alpha channel ndi 16-bit kuwala, kotero kuti si nthawi zonse amawononga pa re-kupulumutsa koma amapeza lalikulu pa zithunzi za zinthu - choncho JPG yosasinthika kwambiri nthawi zambiri imakula pamene imasinthidwa kukhala PNG yopanda kusowa, ndipo JPG yosasinthika yosasinthika nthawi zambiri imachepetsedwa kwambiri. Zolemba zazithunzi zimakhudzanso: zithunzi ndi zithunzi zosasinthika zimasinthidwa mosiyana.

Kodi ndingagwiritse ntchito fayilo ya PNG 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 JPG). Timawonjezera palibe watermark, palibe metadata stamp, ndipo sitikufuna chilolezo pazomwe zimatuluka.

JPG

Mafayilo a JPG amagwiritsa ntchito njira yochepetsera zithunzi, zomwe zimapangitsa kuti mafayilo ang'onoang'ono azioneka bwino komanso kuti azioneka bwino.

PNG

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