2Drag out the region you want to keep, or lock the selection to 1:1, 4:3 or 16:9 and drag freely inside that ratio.
3@ action
4Ka saukar da fayil ɗin da aka yanka JFIF, tare da cire duk abin da ke waje da firam.
JFIF Tambayoyin da ake yawan yi akai-akai
Shin, format na asali na canza yadda wani yanka ke tafiya?
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JFIF wani bitstream na JPEG ne mai sauƙi a ƙarƙashin 1992 interchange header na asali, wanda shi ne dalilin da wasu masu kallo ke nuna shi kamar wani hoton na al'ada kuma kamara na ci gaba da fitar da shi. Wannan yana yanke shawara ko aikin yanka shi ne aiki na pixel ko kuma ko fayil ɗin ya kamata a sake gina shi a kusa da shi.
Wani abu na musamman ga JFIF wanda zai iya zama da amfani kafin in yi yanka?
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Ya, Editan da dama suna sake rubuta JFIF kamar yadda JPEG na yau da kullum a lokacin da suke adana, don haka a kiyaye asali idan fayil ɗin yana da ma'ana ga abin da yake amfani da shi. Wannan irin bayani ne da kawai zai bayyana bayan da ka sake rubuta abin farko.
Ta yaya JFIF zai zaɓa kuma ya yanke yankin?
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A takaice, an yi amfani da yanka zuwa hoton da aka canza sunansa kuma an sake encode sakamakon, don haka yana da farashin zamani guda; inda yanka ta faru ta tashi a kan iyakoki na 8-pixel MCU mai encoder zai iya rike da ɓangaren farko kuma farashin zai fadi. Za ka iya zuƙowa yankin da kake so kai tsaye a kan nunawa, ko kuma rubuta daidaitattun piksel na canzawa idan ka san su.
Ya. Ka ɗaure zaɓin zuwa 1:1, 4:3, 16:9 ko wani nau'in rarrabawa na ɗabi'a kuma ka lulluɓe cikin wannan ƙuntata - wannan shine yadda zaka samu ƙungiya na hotuna waɗanda duk suna da daidaituwa da sararin zane mai kama da juna ba tare da a yi gwajin komai ba.
Me ke faruwa ga EXIF da bayanan siffar launin?
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An yi amfani da EXIF na kamara (ISO, shuɗi, linzamin kwamfuta, GPS) da kuma siffar ICC mai rufewa a kan diff, saboda dakatar da sifar shi ne abin da ke sa launuka su canja a kan sake shigowa. Yi amfani da zaɓin sirri don cire metadata kafin ka sauke idan kana shirin wallafa fayil.
Me zan iya canzawa zuwa JFIF?
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Duk wani abu cikin iyalin raster mai asara - JPG, JPEG, JFIF da WebP - da kuma sifofin da ba su da asara (PNG, BMP, TIFF) idan kana so ka haɗa su cikin wani bangare guda. An karanta sifar daga babban fayil, ba daga fassara ba, don haka hotuna da aka adana da ƙarshen da ba daidai ba na iya wucewa.
Shin akwai wani iyaka na girman fayil a kan JFIF?
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Ya: free accounts process images up to 5 MB each, which covers essentially every camera JPG and phone photo; the work is done by libjpeg-turbo and libwebp, the same libraries a desktop editor links against. Fayiloli masu girma ne kawai abin da mataki mai kyauta zai hana ka, kuma iyaka ita ce ga kowace fayil ba ga kowace ƙungiya ba.
Will JFIF lower the quality of my JFIF images?
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A lossy source is already the result of one quantification pass, and any operation that has to re-encode adds a second. Where the job can be done without touching the pixel data we do that instead, and where it cannot you choose the quality factor yourself rather than getting a fixed default.
Me yasa wani shafin da yake da siffar zamani zai yi aiki JFIF?
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WEBP.to an gina shi a kusa da maye gurbin zamani na duka biyun na ƙan diff: wani siffar da ke yi asara, ba tare da asara ba, alfa da motsi, kuma da aminci ƙasashe mafi ƙaranci fiye da JPEG ko PNG ya zo daga. Mutane sun zo nan sun yanke shawarar cewa ƙa'idodin da suka gabata suna kashe musu faɗaɗawa, kuma wannan hukuncin ya sauya a cikin lokaci: wane girma, wane inganci, me ya faru da haske. JFIF shine akan upload guda da asusun guda don haka waɗannan tambayoyin an amsa su a wuri guda.
Bayan JFIF ya yi tafiya, me zai yi amfani da shi a gaba?
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Mai canja wurin a kan wannan shafin yana motsa hotuna zuwa kuma daga WebP, PNG, JPG da AVIF, wanda shine inda kake yanke shawarar ko wani ƙaramin fayil yana da kyau a rasa manyan masu bincike. Doing it in that order matters: pick the pixels first and the container afterwards, because the container is the cheap decision and the pixels are the expensive one.
Shin, shafukan iyali suna tafiyar da wani abu daban?
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The engines are identical — same libraries, same workers, same caps. What is different is the opinion attached, and the opinion here rests on a property of the format this site is named after: wannan maɓallin.webp na iya riƙe da wani firam na VP8 mai asara, ko kuma wani mai rasawa, ko kuma wani motsi, don haka ana yanke shawara kan hanyar sarrafawa ta fahimta bisa ga fayil ba bisa ga maɓalli ba.
Me ya faru da fayil ɗina, kuma shin ana buƙatar asusun?
