Sinthani JPG ku WebP

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Kukweza

Momwe mungasinthire JPG ku WebP

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 WebP mafayilo

JPG ku WebP Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

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

Kutumiza fayilo yanu ya JPG ndipo wosinthira wathu amagwiritsa ntchito kuwongolera kwa mtundu wa WebP. Kwa osankhidwa osatha (PNG, TIFF, BMP) chilichonse cha pixel chimasunga bit-by-bit; kwa osankhidwa owonongeka (JPG, WebP) mutha kuwongolera mtundu wa mtundu (default 90) pambuyo potsitsa. JPG ndi lossy: chithunzi chimasinthidwa ndi DCT, quantised, ndi entropy-coded, ndi quality knob kuwongolera momwe ambiri ndi kuthyola. WebP amapatsa modes lossy ndi lossless, ndi alpha kuwala ndi animation alipo m'modzi kapena m'modzi.

Kodi ndingapeze kuwala kwazithunzi pamene chithunzicho ndi WebP?

WebP mtundu umathandizira izi, koma kusinthaku sikungatheke. JPG siyimakhala ndi alfa channel, kotero kuti ma pixel onse kuphatikizapo kumbuyo kumafika mosawoneka bwino. Kuchita / removebackground / pambuyo pake kuti muchepetse chinthucho - ndiye kuti alpha channel WebP imapatsa china chake chosunga. WebP nthawi zambiri ndi 25-35% yaying'ono kuposa JPG yofananayo komanso yotsika mtengo kuposa GIF yojambula, ndi kuthandizira kwa msakatuli wadziko lonse kuyambira 2020.

Kodi mtundu wanga wa CMYK udzakhalabe wosinthidwa ku WebP?

Imakhala yosinthidwa kukhala sRGB, chifukwa WebP siyimakhala ndi njira ya CMYK. Kuti mugwiritse ntchito pazenera, izi ndi zomwe mukufuna. Kuti musindikize pa intaneti, sichingakhale choncho — kusintha kwa gamut kumasintha momwe mabala osatumizidwira amawonekera pa chophimba, choncho tumiza chophimba cha JPG choyambirira, osati WebP. WebP ndibe yachiwiri-katundu kunja kwa browser — kusindikiza workflows, zaka zakale Office zomanga ndi ena foni galleries sakuvomereza izo.

Kodi WebP imasunga deta ya EXIF kuchokera ku JPG yanga?

Popanda malire, yeah, komweko JPG ndi JPEG standard kuchokera 1992, ndipo pambuyo zaka zitatu ndibe format ambiri kamera ndi ambiri mawebusaiti kugwiritsa ntchito kwa zithunzi.

Kodi kusinthidwa kwa JPG kupita ku WebP kumateteza kuwala?

Kuwala kwamkati kumapezeka pamene WebP ndi PNG, WebP, TIFF, GIF, kapena SVG. Kusintha kuti JPG kumadula nyanja ya alpha pambuyo wobiriwira — ngati mukufuna kuwala kwamkati, sankhani chida chowala chosawoneka bwino m'malo mwa WebP. WebP ndi Google 2010 chithunzi mtundu, anapangidwa kuchokera VP8 keyframe encoder ndi zofuna kuchotsa JPG, PNG ndi GIF pamodzi.

Kodi mtundu wanga wazithunzi (sRGB / Adobe RGB / CMYK) udzakhala ndi moyo mpaka JPG mpaka WebP?

Ma profiles a ICC amtundu wa embedded amawerengedwa kuchokera ku chiyambi JPG ndipo amaphatikizidwanso ku WebP pomwe mtundu umathandizira (JPG, PNG, TIFF, WebP). Ma formats osathandizira ma profile amabwerera ku sRGB ndi njira yoyeserera.

Kodi chimachitika ndi metadata ya EXIF pamene JPG ikusinthidwa kukhala WebP?

EXIF ya kamera (ISO, shutter, lens, GPS) imasungidwa mwanjira yosasinthika pa JPG -> WebP pamene mitundu iwiri imathandizira metadata. Musagwiritse ntchito kuchotsa metadata mukafuna kugawana zithunzi popanda kusonyeza malo opezeka kapena kusonyeza zolemba za chipangizocho.

Kodi ndingasinthire mamiliyoni a JPG mafayilo ku WebP pamodzi?

Inde - dinani mafayilo ambiri a JPG ku gawo lotsitsa ndipo amalowa m'gulu limodzi. Tiyi yaulere imalandira 100 MB pa fayilo; Premium ilibe fayilo ya fayilo ndipo imagwira ntchito zambiri, chifukwa chake 200-image batch imakhala yomaliza m'maola awiri.

Kodi JPG mpaka WebP imayerekezera ndi Photoshop / GIMP pantchito yomweyo?

Kuti tisinthe mtundu woyenera, timagwiritsa ntchito ma libpng / libjpeg-turbo / libwebp / ImageMagick omwe amagwiritsa ntchito woyang'anira desiki, ndi mtundu umodzi. Kusiyana ndi kuti zida za desiki zimatsegula fayilo imodzi panthawi imodzi; timavomereza ma batani ndi kuwayendetsa mogwirizana pa ogwira ntchito pa seva.

Kodi fayilo ya WebP ili ndi kukula ndi kukula kwa chiyani?

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

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

Kwa JPG / WebP, mtundu wa 75-85 umabweretsa WebP 60-80% wamtali kuposa JPG popanda kuwonekera panthawi yowonera. Kwa WebP yopanda malire (PNG, TIFF), mutha kuyembekezera kupulumutsa pang'ono - nthawi zambiri 5-30% pogwiritsa ntchito kutsitsa / LZW koyenera kuposa momwe chiyambi chili.

Kodi JPG fayilo yanga ndi yapadera nthawi yosintha?

Ndikoyenera - mafayilo a JPG omwe amatulutsidwa amachitidwa m'mabungwe osiyana ndipo amasungidwa m'maola ochepa. Tisawerenga, sitisunga kapena sitigawana deta ya pixel. Chipinda chokhala ndi deta chakhala chikupezeka pa /privacy/.