Mataki na 1: Loda naka JPG 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 WebP fayiloli
JPG zuwa WebP Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan canza JPG zuwa WebP ba tare da rasa ingancin hoton ba?
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Ka shigar da fayil ɗinka JPG kuma mai maidamu zai yi amfani da inganta ingancin da ya dace da siffar fayil ɗinka ga fitarwa WebP. Ga burin da ba'a rasa ba (PNG, TIFF, BMP) ana kiyaye kowane piksel bit-da-bit; ga burin da aka rasa (JPG, WebP) zaka iya daidaita ma'aunin inganci (90 na asali) kafin ka sauke shi. JPG yana da asara: an canja hoton da DCT, an kwatanta shi, kuma an canza shi da entropiy-code, tare da wani maɓalli na ingancin da ke kula da adadin da aka manta. WebP na ba da hanyoyi biyu masu asara da ba-da-hasara, tare da alfa cece-kuce da motsi da ke da amfani a cikin kowanne.
Shin zan iya samun haske idan hoton ya kasance WebP?
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Format ɗin WebP yana goyon bayan shi, amma canjin ba zai iya ƙirƙirar shi ba. JPG ba ta da wani gidan rediyon alfa, don haka duk pixel ɗin da ke cikin bango yana zuwa da baƙin ciki. Run /removebackground/ afterwards to cut the subject out — then the alfa channel WebP provides something to store. WebP yana da 25-35% kaɗan fiye da JPG mai daidaitawa kuma yana da kaɗan fiye da GIF mai motsi, tare da goyon bayan mai bincike na duniya tun daga 2020.
Shin launina na CMYK zai iya tsira daga canjin zuwa WebP?
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An canja shi zuwa sRGB, saboda WebP ba shi da yanayin CMYK. Don amfanin fuskar kwamfyuta wannan shi ne abin da kake so. Don bugawa na kasuwanci ba shi da haka — canjin gamut na canza yadda launuka masu zafi ke sakewa a kan bugawa, don haka aika da marufin da asali JPG maimakon WebP. WebP har yanzu yana da darasi na biyu a waje na mai bincike - shirye-shiryen aiki na bugawa, da manyan gine-ginen ofishin da wasu galere na wayar ba su yarda da shi ba.
Shin WebP na riƙe bayanan EXIF daga JPG na?
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A matsayin diff, na'am, duk inda manufar take da wani wuri don sanya shi - nau'in kamara, daidaitattun nunawa, linzamin kwamfuta da GPS coordinates duk suna daukewa. GPS shine filin da ya cancanci tunani: idan hoton zai kasance an wallafa shi, amfani da zaɓin metadata-strip don haka ba ka daukewa inda hoton aka dauka. JPG shi ne tsarin JPEG daga 1992, kuma bayan shekaru goma shi ne har yanzu format mafi yawan kamara da mafi yawan shafukan yanar gizo suna amfani da su ga hotuna.
Shin canji daga JPG zuwa WebP zai kiyaye haske?
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Haske zai ci gaba idan WebP ya kasance PNG, WebP, TIFF, GIF, ko SVG. Canja zuwa JPG zai sauya layin alfa zuwa bango mai fari — idan kana buƙatar haske, za ka iya zaɓar wani abu mai haske mai sani a matsayin WebP. WebP ne Google na 2010 image format, gina daga VP8 keyframe encoder da kuma nufin su maye gurbin JPG, PNG da GIF a lokaci guda.
Shin siffar launina (sRGB / Adobe RGB / CMYK) za ta tsira daga JPG zuwa WebP?
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An karanta siffofin launin ICC da aka rufe daga wurin asali JPG kuma aka sake haɗa su zuwa fitarwa WebP inda siffar ke goyon baya (JPG, PNG, TIFF, WebP). Siffofin da ba su da goyon bayan siffar suna komawa zuwa sRGB tare da mataki na tabbaci.
Me ke faruwa da metadata EXIF idan an canja JPG zuwa WebP?
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An kiyaye EXIF na kamara (ISO, shutter, lens, GPS) bisa diff yayin JPG -> WebP idan nau'ikan biyu suna goyon bayan metadata. Yi amfani da toggle na sirri don cire metadata kafin sauke idan kana so ka raba hotuna ba tare da nuna wurin geolokaci ko na'urar-fingerprint ba.
Na'am — ka drag da fayiloli JPG da yawa cikin yankin shigarwa kuma su zauna a cikin jerin gwano a daidai. Mataki na kyauta yana karɓar 100 MB ga kowace fayil; Premium ba shi da iyaka ga kowace fayil kuma yana tafiyar da masu aiki da yawa a daidai, don haka wani bangare na hotuna 200 na iya kammala cikin minti biyu.
Ta yaya JPG zuwa WebP ke bambanta da Photoshop / GIMP ga aikin guda ɗaya?
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@ action
Mene ne ƙudurin da girman fayil WebP?
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Halin diff shine 1:1 — fitarwa WebP tana da daidaitattun girman piksel kamar yadda wurin asali JPG. Idan kana buƙatar sake girman kamar wani ɓangare na canja wurin, ka yi amfani da /resize-image/ bayan, ko kuma ka haɗa ayyukan da kayan aiki na /image-pipeline/.
Yaya ƙaramin fayil WebP zai iya zama ba tare da artifacts masu gani ba?
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Ga JPG / WebP, inganci 75-85 na da WebP 60-80% mafi ƙaranci daga JPG ba tare da bambanci mai gani ba a tsayin gani na yau da kullum. Ga WebP mara asara (PNG, TIFF), ka yi tsammanin adadin da za'a iya adana ya fi ƙaranci — a kan 5-30% ta hanyar ficewa / LZW mai ƙuntata fiye da abin da ma'anar ta kasance da shi.
Shin fayilolina JPG na sirri ne yayin canjawa?
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Na'am — an yi aiki da fayilolin JPG da aka tura a cikin masu aiki masu tsalle-tsalle kuma an share su cikin minti. Ba za mu karanta, adana, ko raba bayanan piksel ba. An yi takardar takaddun tagar tsare-tsaren a /privacy/.
