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Mai Juyawa JFIF zuwa JPG

Maida Naka JFIF zuwa JPG fayiloli da wahala

Zaɓi fayilolinku

*An goge fayiloli bayan awanni 24

Canza fayiloli har zuwa 1 GB kyauta, masu amfani da Pro za su iya canza fayiloli har zuwa 100 GB; Yi rijista yanzu

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Yadda ake canzawa JFIF zuwa JPG

Mataki na 1: Loda naka JFIF 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 JPG fayiloli


JFIF zuwa JPG Tambayoyin da ake yawan yi game da Canzawa

Ta yaya zan canza JFIF zuwa JPG ba tare da rasa ingancin hoton ba?
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Ka shigar da fayil ɗinka JFIF kuma mai maida zai yi amfani da inganta ingancin da ya dace da siffar JPG. Ga JPG mara asara (PNG, TIFF, BMP) ana kiyaye duk piksel; ga JPG mai asara (JPG, WebP) zaka iya daidaita ma'aunin inganci kafin ka sauke shi. Bayanin hoton yana da nau'in JPEG na yau da kullum; JFIF kawai yana bayyana yawan da kuma filayen thumbnail da ke kusa da shi, don haka.jfif da.jpg sune hoton guda. 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.
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. JFIF shi ne Formatun Sauya Fayil na JPEG - bayanin kafada wanda ke sanya wani bitstream na JPEG ba'a yi shi ba cikin fayil mai sauya.
Haske zai ci gaba idan JPG ya kasance PNG, WebP, TIFF, GIF, ko SVG. Canja zuwa JPG zai sauya layin alfa zuwa bango mai fari. Idan kana buƙatar haske a cikin sakamakon, to, ka yi niyya ga JPG mai haske mai sani a matsayin JPG=JPG. 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.
An karanta siffofin launin ICC da aka rufe daga JFIF kuma an sake haɗa su zuwa fitarwa JPG inda siffar ke goyon baya (JPG, PNG, TIFF, WebP). Siffofin da ba su da goyon bayan siffar suna komawa zuwa sRGB, wanda ke kiyaye launuka daidai a kan mafi yawan fuskokin nunawa na zamani.
An kiyaye EXIF na kamara (ISO, shutter, lens, GPS coords) bisa diff yayin JFIF → JPG idan nau'ikan biyu suna goyon bayan metadata. Yi amfani da zaɓin sirri don cire metadata kafin sauke idan kana buƙatar raba hotuna ba tare da wurin geolokaci ba.
Na'am — ka ja fayiloli JFIF da yawa cikin yankin shigarwa kuma mu sanya su cikin jerin gwano a daidai. Masu amfani da kyauta suna samun 100 MB ga kowace fayil; Premium ba ta da iyaka ga kowace fayil kuma tana tafiyar da wasu masu aiki a daidai, don haka wani bangare na hotuna 200 na iya kammala cikin minti biyu.
Domin canja siffar kai tsaye muna tafiyar da irin libpng / libjpeg-turbo / libwebp / ImageMagick da mai sarrafa kwamfyutan tebur ke amfani da shi, tare da ingancin fitarwa guda. bambancin shine sarrafa kwasfa mai daidaituwa — shiri-shiri na kwamfyutan tebur suna buɗe fayil ɗaya a lokaci; muna karɓar kwasfa.
Diff ɗin shi ne 1:1 — JPG ɗinka na riƙe da girman piksel na wurin asali JFIF. Idan kana buƙatar canza girman kamar wani ɓangare na canja wurin, ka yi amfani da /resize-image/ bayan canja wurin, ko kuma ka haɗa shi da kayan aikin /image-resize/.
Ga JPG / WebP, inganci 75-85 na iya samun JPG 60-80% mafi ƙaranci daga JFIF ba tare da bambanci mai gani ba a tsayin gani na yau da kullum. Ga JPG 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 kyau. JPG na ƙunsar hotunan halitta da kyau kuma yana iya karantawa da duk wani na'ura, mai bincike da mai bugawa a cikin halin da ake ciki.
Na'am — an yi aiki da fayilolin JFIF 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/.
Na'am, don kyauta har zuwa 100 MB. Premium na iya sarrafa manyan shigarwa (300 MB+) da zurfin pixel na daban (16-bit PNG, 32-bit float TIFF). Pipeline na fitar da layuka don haka amfani da ƙwaƙwalwar ajiya yana daidaita da adadin layuka, ba adadin pixels gaba ɗaya ba.
JFIF mai ƙarfin ƙuntata da ke akwai (JPG mai asara) yakan girma idan aka sake-ƙuntatawa zuwa JPG mara asara (PNG, TIFF). JFIF mara asara yakan yi ƙarancin girma idan aka tafi zuwa JPG / WebP. Ma'aunin yana dogara da abun ciki na hoton — hotuna suna ƙuntata daban daga zane-zane na layin. The.jfif extension confuses Windows and many web apps into refusing the file, which is usually the only reason anyone converts it. JPG ba shi da cece-kuce, yana kara lalacewa duk lokacin da aka sake adana shi, kuma yana samar da wani ɓangare mai gani a kan launin da aka yi da kuma rubutu mai haske.

JFIF

JFIF shi ne mai musanya da ke kewaye da bayanan JPEG na farko, don haka fayil na JFIF shi ne JPEG da ke karkashin wani ɓangaren daban.

JPG

Fayilolin JPG suna amfani da ƙunsar rasa wanda aka inganta ga hotuna, yana ba da girman fayil mai ƙaranci yayin da yake riƙe da daidaitattun gani.


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