JPG ki he WEBP liliu
Liliu ‘a e ngaahi ‘ata JPG ki he fotunga WEBP fakaonopooni ki he compression ma’olunga ange mo e vave ange ‘a e uta ‘o e uepi. Fakasi’isi’i ‘a e lahi ‘o e faile ‘o a’u ki he 25-35% lolotonga hono tauhi ‘o e tu’unga lelei ‘o e sio ‘aki ‘a e codec ‘o e ‘imisi fakalakalaka ‘o e Google.
Ko e hā ʻoku Fili ai ʻa e Liliu ki he JPG ki he WEBP Liliu?
Fakalakalaka ‘o e WEBP Fakafefeka’i
Leverage ‘a e Google ‘a e VP8 mo e VP9 ‘a e ngaahi founga ‘o e compression ke a’usia ‘a e fakasi’isi’i ‘o e lahi ‘o e faile ma’olunga ange ‘i hono fakafehoanaki ki he JPEG tukufakaholo. ‘Oku tauhi ‘e he’etau liliu ‘a e tu’unga lelei ‘o e JPEG ‘o e DCT-fakava’e lolotonga hono faka’aonga’i ‘o e WEBP ‘o e predictive coding mo e entropy encoding ki he ngaahi ola lelei taha.
- VP8 mole mo e mole ‘a e ngaahi founga ‘o e compression .
- Tauhi ‘a e JPEG EXIF metadata lolotonga ‘a e liliu .
- Ngaahi tu’unga lelei ‘oku lava ke fakalelei’i mei he 0-100 .
Tauhi ‘o e Feitu’u Lanu
‘Oku liliu totonu ‘a e sipinga lanu ‘o e YCbCr ‘o e JPEG ki he fotunga ‘o e YUV420 ‘o e WEBP lolotonga hono tauhi ‘o e tonu ‘o e lanu. To’oto’o ‘a e ngaahi fakamatala lanu kehekehe ‘o e JPEG kau ai ‘a e sRGB, Adobe RGB, mo e CMYK kehekehe mo e liliu totonu ‘o e feitu’u lanu.
- Poupou’i ‘a e 8-si’isi’i mo e 16-si’isi’i lanu loloto ‘o e liliu .
- Fakatolonga ‘a e ngaahi fakamatala lanu ‘o e ICC ‘i he taimi ‘oku malava ai .
- To’oto’o ‘a e grayscale mo e RGB JPEG kehekehe
Ngaahi Fili ki he Liliu Ta’e Mole
Fili ‘i he vaha’a ‘o e lossy mo e lossless WEBP liliu ‘o e ngaahi founga ‘o fakatatau ki ho’o ngaahi fie ma’u ‘o e tu’unga lelei. ‘Oku faka’aonga’i ‘e he founga ‘o e Lossless ‘a e LZ77 compression mo e indexing lanu ke fakasi’isi’i ‘a e ngaahi faile ‘o ‘ikai ha faka’auha ‘o e tu’unga lelei mei he JPEG ‘uluaki.
- Mo’oni ‘oku ‘ikai ke mole ‘a e WEBP encoding ‘oku ma’u .
- Kouti fakafuofua ki he ngaahi ratio compression lelei ange
- Poupou ‘a e channel ‘o e ‘Alifa ki he ngaahi ‘overlays ‘ata’ata
Ko e ha ‘oku liliu ai ‘a e JPG ki he WEBP?
Founga JPG
- Fe’unga faka’univeesi ‘i he ngaahi browser kotoa pe, ngaahi device, mo e kau mamata ‘imisi talu mei he 1992
- DCT-fakava’e lelei ‘aupito ‘a e compression ki he ngaahi ‘ata faka’ata mo e ngaahi liliu lanu ‘oku ‘ata’ata .
- ‘Ikai ha poupou ki he mahino, fakangatangata hono faka’aonga’i ‘i he tisaini ‘o e uepi fakaonopooni mo e ngaahi kalafi .
- Lahi ange ‘a e ngaahi faile ‘i hono fakafehoanaki ki he ngaahi fotunga fakaonopooni hange ko e WEBP, tautautefito ki he uepi optimization .
- Poupou lahi ‘a e EXIF metadata ki he fakamatala ‘o e me’a-faka’ata, fakamatala GPS, mo e ngaahi koloa ‘o e ‘imisi .
Founga WEBP
- 25-35% si’isi’i ange ‘a e ngaahi faile ‘i he JPEG lolotonga hono tauhi ‘o e tu’unga faka’ata fakafehoanaki .
- Poupou ki he mahino fakafonua mo e 8-si’isi’i ‘a e channel ‘o e ‘alfa ki he ngaahi polokalama uepi fakaonopooni .
- Fakatou’osi ‘a e ngaahi founga ‘o e compression ‘oku ‘ikai ke mole mo e mole ‘oku ma’u ‘i ha fotunga ‘e taha .
- Ngaahi fotunga fakalakalaka hange ko e poupou ‘o e animation, ‘o ‘ai ia ke versatile ki he ngaahi keisi kehekehe ‘o hono faka’aonga’i .
- Poupou fakangatangata ‘i he ngaahi browser motu’a (‘Initaneti Explorer mo e ngaahi liliu motu’a ‘o e Safari)
Fakaikiiki Fakatekinikale
Liliu ‘o e Algorithm ‘o e Fakafefeka’i
Liliu mei he JPEG ‘o e Discrete Cosine liliu (DCT) ‘a e fakamalohisino ki he WEBP ‘o e VP8/VP9 vitio codec-fakava’e ‘i he fakamalohi’i. ‘Oku kau ‘i he liliu ko ‘eni ‘a e decoding ‘o e JPEG ‘o e 8×8 poloka-fakava’e ‘i he DCT coefficients mo e toe faka’aonga’i ‘o e WEBP ‘a e coding fakafuofua, kikite ‘o e feitu’u, mo e ngaahi founga ‘o e entropy coding ki hono fakalelei’i ‘o e ola lelei.
Ngaahi Liliu ʻo e Founga ʻo e Koniteina
Liliu ‘a e JPEG ‘o e JFIF (JPEG Faile Fetongi Founga) pe Exif koniteina fokotu’utu’u ki he WEBP ‘o e RIFF (Fotunga Faile Fetongi Ma’u’anga Tokoni) koniteina. ‘Oku fakatolonga ‘e he liliu ko ‘eni ‘a e metadata mahu’inga lolotonga hono fakalelei’i ‘o e fokotu’utu’u ‘o e faile ki hono tu’uaki ‘o e uepi mo e workflows ‘o e ngaue ‘a e ‘imisi fakaonopooni.
Fakalelei’i ‘o e sipinga si’isi’i ‘o e Chroma
‘Analaiso ‘a e JPEG ‘oku ‘i ai ‘a e chroma subsampling (‘oku angamaheni ‘aki ‘a e 4:2:0 pe 4:2:2) pea fakalelei’i ia ki he fotunga ‘o e YUV420 ‘a e WEBP. ‘E lava ke fakalahi ‘e he liliu ‘a e lelei ‘o e compression ‘aki hono faka’aonga’i ‘o e WEBP ‘a e fakalelei’i ‘o e chroma kikite algorithms lolotonga hono tauhi ‘o e ngaahi tu’unga mo’ui ‘o e ‘imisi perceptual.
Founga ke liliu ‘a e JPG ki he WEBP .
Download & Fokotuʻu
Download Liliu ta’etotongi pea fokotu’u ia ‘i ho’o PC Windows. ʻOku ʻikai fie maʻu ha ʻakauni pe fakamoʻoni hingoa.
Tānaki atu hoʻo ngaahi faile JPG .
Toʻo mo tuku hifo hoʻo ngaahi faile JPG ki he Liliu, pe fakaʻaongaʻi ʻa e faile browser ke fili kinautolu.
Fili ‘a e Output ‘o e WEBP .
Fili ‘a e WEBP ko ho’o fotunga output. Fakatonutonu ʻa e ngaahi tuʻunga ʻo e tuʻunga leleí kapau ʻoku fie maʻu.
Liliu & Fakahaofi
Lomi’i ‘i he Liliu pea ‘e ngaue ho’o ngaahi faile ‘i he taimi pe ko ia. Tauhi kinautolu ʻi ha feituʻu pē ʻi hoʻo komipiutá.
Ko e taimi ke faka’aonga’i ai ‘a e JPG ki he WEBP ‘a e liliu .
Fakalelei’i ‘o e fakahoko ‘o e uepisaiti
Liliu ‘a e ngaahi ‘ata JPEG ‘oku ‘i ai ki he WEBP ki he taimi vave ange ‘o e uta ‘o e peesi mo e fakalelei’i ‘o e ngaahi maaka ‘o e Core Web Vitals. Mahu’inga ki he ngaahi saiti e-commerce, ngaahi portfolios, mo e ngaahi blogs ‘a ia ‘oku uesia fakahangatonu ai ‘e he vave ‘o e uta ‘o e ‘imisi ‘a e a’usia ‘a e tokotaha faka’aonga’i mo e SEO rankings.
Fakalakalaka ‘o e App telefoni to’oto’o
Fakasi’isi’i ‘a e ngaahi lahi ‘o e app bundle mo fakalelei’i ‘a e fakahoko ‘o e telefoni to’oto’o ‘aki hono liliu ‘o e ngaahi koloa JPEG ki he WEBP. Tautefito ki he ngaahi polokalama Android ‘a ia ‘oku fakafonua ‘a e poupou ‘a e WEBP, ‘o iku ai ki he vave ange ‘a e ngaahi fokotu’u ‘o e app mo e fakasi’isi’i ‘o e fakamole ‘o e fakamatala.
CDN mo e fakalelei’i ‘o e tanaki’anga
Fakasi’isi’i ‘a e ngaahi fakamole ki he tanaki’anga ‘o e ‘ao mo hono faka’aonga’i ‘o e CDN bandwidth ‘aki hono liliu ‘a e ngaahi laipeli ‘imisi JPEG lalahi ki he fotunga WEBP ‘oku toe lelei ange. ‘Oku lelei ‘aupito ki he ngaahi polokalama mamafa ‘o e mitia, ngaahi tu’unga vahevahe ‘ata, mo e ngaahi sisitemi pule’i ‘o e kakano.
Fakaonopooni ‘o e Koloa Fakakomipiuta
Fakafo’ou ‘a e ngaahi tanaki’anga ‘o e ‘imisi JPEG tukufakaholo ki he ngaahi tu’unga mo’ui fakaonopooni ‘o e uepi mo e ngaahi founga fakalakalaka ‘o e uta ‘o e ‘imisi. Haohaoa ki he ngaahi kautaha mo e ngaahi pisinisi ‘oku nau liliu ki he ngaahi tekinolosia ‘o e uepi ‘o e kuonga mo e ngaahi fa’unga tisaini tali.
Fakalelei’i ‘o e ‘imisi ‘o e E-commerce
Fakalelei’i ‘a e vave ‘o e uta ‘o e ‘imisi ‘o e koloa lolotonga hono tauhi ‘o e tu’unga lelei ki he ngaahi falekoloa ‘i he ‘initaneti. ‘Oku fakalahi ‘e he ngaahi faile si’isi’i ange ‘a e WEBP ‘a e ngaahi a’usia ‘o e fakatau ‘i he telefoni to’oto’o pea ‘e lava ke fakalahi ‘a e ngaahi tu’unga ‘o e liliu ‘aki hono fakasi’isi’i ‘a e li’aki ‘o e peesi koe’uhi ko e uta tuai.
Ngaahi Ngaue ki hono Pulusi ‘o e Kanokato
Fakaleleiʻi ʻa e ngaahi ngāue fakaʻētitá ʻaki hono liliu ʻa e ngaahi ʻata JPEG ki he WEBP ki he ngaahi pulusinga ʻi he ʻinitanetí, ngaahi saiti ongoongó, mo e ngaahi makasiní. Faka’ata ‘a e vave ange ‘a e uta ‘o e fakamatala, ngaahi a’usia lelei ange ‘i he lau ‘o e telefoni to’oto’o, mo e fakasi’isi’i ‘o e ngaahi fie ma’u ‘o e bandwidth ‘o e server.
‘Oku Malu’i Ho’o Fakapulipuli .
100% ‘Ikai ‘i he ‘Initaneti
ʻOku hoko ʻa e ngaahi liliu kotoa pē ʻi he feituʻú ʻi hoʻo komipiutá. ‘Oku ‘ikai ‘aupito ke mavahe ho’o ngaahi faile mei ho’o device pea ‘oku ‘ikai ‘aupito ke ‘oatu ia ki ha fa’ahinga server.
‘Oku ‘ikai fiema’u ha ‘akauni
Kamata ului he taimi pē ko iá ʻo ʻikai faʻu ha ʻakauni, ʻoatu ha fakamatala fakatāutaha, pe fakamoʻoni hingoa ki ha meʻa.
Fakama’a ‘otometiki
ʻOku tamateʻi malu ʻa e ngaahi faile fakataimi hili hono liliú. ‘Oku kei ‘ikai ke uesia kakato ho’o ngaahi faile ‘uluaki tukukehe kapau te ke fili kehe.
Ngaahi Fehuʻi ʻOku Faʻa ʻEke
‘E fakasi’isi’i nai ‘e he liliu ‘o e JPEG ki he WEBP ‘a e tu’unga ‘o e ‘imisi?
‘E lava ke tauhi mo’oni ‘e he liliu ki he WEBP pe fakalelei’i ‘a e tu’unga lelei ‘oku ‘ilo’i lolotonga hono fakasi’isi’i ‘o e lahi ‘o e faile. Koe’uhi ko e JPEG ‘oku ‘osi ko ha fotunga ‘o e mole, ‘e lava ke ke faka’aonga’i ‘a e founga ‘o e WEBP ‘o e lossless ke ta’ofi ‘a e toe faka’auha ‘o e tu’unga lelei, pe faka’aonga’i ‘a e founga mole mo e ngaahi tu’unga ‘o e tu’unga ma’olunga ange ke a’usia ‘a e lelei ange ‘o e compression ‘i he ‘uluaki JPEG.
‘Oku poupou’i ‘e he ngaahi browser kotoa pe ‘a e ngaahi ‘ata ‘o e WEBP?
‘Oku poupou’i kakato ‘e he ngaahi browser fakaonopooni kau ai ‘a e Chrome, Firefox, Safari 14+, mo e Edge ‘a e WEBP. ‘Oku ‘ikai poupou’i ‘e he Internet Explorer mo e ngaahi liliu motu’a ‘o e Safari ‘a e WEBP, ka ‘oku fakafofonga’i ‘e he ngaahi me’a ni ‘a e si’i hifo ‘i he 5% ‘o e fefononga’aki ‘i he uepi lolotonga. Te ke lava ‘o fakahoko ‘a e ngaahi founga fallback ‘o faka’aonga’i ‘a e ‘elemeniti ‘o e ‘ata HTML ki he fe’unga lahi ange.
Ko e hā ʻoku hoko ki he metadata JPEG lolotonga ʻa e liliu ʻo e WEBP?
‘Oku poupou’i ‘e he WEBP ‘a e ngaahi metadata tefito hange ko e fakamatala EXIF, ka ‘e lava ke mole ‘a e ngaahi metadata makehe ‘e ni’ihi ‘o e JPEG lolotonga ‘a e liliu. ‘Oku tauhi ‘e he’etau converter ‘a e fakamatala mahu’inga hange ko e ngaahi tu’unga ‘o e me’a-faka’ata, ‘aho ‘o e fakatupu, mo e ngaahi fakamatala lanu ‘i he taimi ‘oku malava ai, neongo ‘oku fakangatangata ange ‘a e poupou ‘a e metadata ‘o e fotunga ‘o e WEBP ‘i he ngaahi malava EXIF lahi ‘o e JPEG.
‘Oku totonu ke u faka’aonga’i ‘a e lossless pe mole ‘a e liliu WEBP mei he JPEG?
Koe’uhi ‘oku ‘osi lossy ‘a e JPEG, ‘oku angamaheni ‘aki hono faka’aonga’i ‘o e lossy WEBP ‘oku ne ‘omi ‘a e fakasi’isi’i ‘o e lahi lelei taha (25-35% si’isi’i ange) ‘o ‘ikai ha mole ‘o e tu’unga lelei ‘oku fakatokanga’i. ‘Oku ta’ofi ‘e he liliu ‘o e WEBP ‘oku ‘ikai ha mole ‘a e toe compression ka ‘e lava ke iku ia ki ha ngaahi faile lalahi ange ‘i ha WEBP ‘oku mole ‘oku fakalelei’i lelei. Fili ‘o makatu’unga ‘i ho’o ngaahi fie ma’u ‘o e tu’unga lelei mo e ngaahi fakangatangata ‘o e lahi ‘o e faile.
‘E lava ke u batch liliu ‘a e ngaahi faile JPEG lahi ki he WEBP?
‘Io, ‘Oku poupou’i ‘e he liliu ‘a e liliu ‘o e batch ‘o e ngaahi faile JPEG ta’e fakangatangata ki he fotunga ‘o e WEBP. Te ke lava ʻo fakahoko ʻa e ngaahi folder kakato, tauhi ʻa e ngaahi fokotuʻutuʻu ʻo e tohi fakahinohino, pea fakaʻaongaʻi ʻa e ngaahi tuʻunga tuʻunga lelei tuʻumaʻu ʻi he ngaahi ʻata kotoa pē. ‘Oku ‘aonga ‘aupito ‘eni ki hono liliu ‘o e ngaahi laipeli ‘ata lalahi pe ngaahi tanaki’anga ‘o e ‘ata ‘o e uepisaiti.
Ko e hā hono lahi ʻo e siʻisiʻi ange ʻeku ngaahi failé hili hono liliu ʻo e JPEG ki he WEBP?
‘Oku angamaheni ‘aki ‘a e ‘amanaki 25-35% fakasi’isi’i ‘o e lahi ‘o e faile ‘i he taimi ‘oku liliu ai ‘a e JPEG ki he WEBP mo e ngaahi tu’unga ‘o e tu’unga lelei fakafehoanaki. ‘Oku fakafalala ‘a e compression mo’oni ‘i he kakano ‘o e ‘imisi, ‘uluaki tu’unga lelei ‘o e JPEG, mo e ngaahi tu’unga WEBP kuo fili. Ko e ngaahi ‘ata ‘oku ‘i ai ha ngaahi feitu’u teunga lahi pe ngaahi ‘elemeniti ‘o e transparency ‘e lava ke nau sio ki ha ngaahi fakasi’isi’i lahi ange ‘o e lahi.
‘Oku lelei ange ‘a e WEBP ‘i he JPEG ki he ‘ata?
‘Oku ‘omi ‘e he WEBP ‘a e lelei ‘o e compression ma’olunga ange pea poupou’i ‘a e ngaahi founga ‘o e lossy mo e lossless, ‘o ‘ai ai ia ke ma’olunga ange fakatekinikale ‘i he JPEG. Ka neongo ia, ‘Oku kei lahi ange ‘a e JPEG ‘i he ‘univeesi pea ‘oku kei manakoa ange ia ki he ngaahi ngaue ‘o e ‘ata fakapalofesinale. ‘Oku lelei ‘aupito ‘a e WEBP ki hono faka’aonga’i ‘o e uepi, lolotonga ia ‘e lava ke lelei ange ‘a e JPEG ki he ngaahi polokalama ‘o e archival mo e fakapalofesinale.
‘E lava ke u liliu ‘a e WEBP ‘o foki ki he JPEG kapau ‘oku fie ma’u?
‘Io, ‘e lava ke liliu ‘a e ngaahi faile WEBP ‘o foki ki he fotunga JPEG. Ka neongo ia, kapau na’e fa’u ‘a e ‘uluaki WEBP ‘o faka’aonga’i ‘a e lossy compression, ‘e lava ke fakafe’iloaki ‘e he liliu ki mui ki he JPEG ha toe mole ‘o e tu’unga lelei koe’uhi ko e compression ‘e ua. ‘Oku fokotu’u atu ke tauhi ‘a e ngaahi faile ‘uluaki ‘i he taimi ‘oku malava ai ki he ngaahi liliu ‘o e fotunga ‘i he kaha’u.
Mateuteu ke Liliu Ho’o Ngaahi Faile?
Download Liliu he taimi ni pea kamata ke liliu ‘a e JPG ki he WEBP ‘i he taimi pe ko ia. Tau’ataina, ta’e fakangatangata, pea ‘oku ‘ikai ke ‘i he ‘initaneti kakato.