Guqula JPG kuya JFIF

Guqula Eyakho JPG kuya JFIF amafayela kalula

Khetha amafayela akho

*Amafayela asusiwe ngemva kwamahora angu-24

Guqula amafayela afinyelela ku-1 GB mahhala, abasebenzisi be-Pro bangaguqula amafayela afinyelela ku-100 GB; Bhalisa manje

Ukulayisha

Indlela yokuguqula JPG kuya JFIF

Isinyathelo 1: Layisha eyakho JPG amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho JFIF amafayela

JPG kuya JFIF Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiguqula kanjani i-JPG ibe yi-JFIF ngaphandle kokulahlekelwa ubuhle besithombe?

Layisha phezulu ihele lakho JPG futhi umguquli ufaka ukulungisa umgangatho okwaziyo ifomethi ye-JFIF. Kuzo zonke izimo ezingenalutho (PNG, TIFF, BMP) wonke ama-pixel agcinwa; kuzo zonke izimo ezingenalutho (JPG, WebP, AVIF) ungalungisa umphumela womgangatho ngaphambi kokufaka ngezansi. I-JPG iyisimo se-JPEG esijwayelekile kusukela ngo-1992, futhi ngemuva kweminyaka emithathu ihlala iyisimo esisetshenziswa amakhamera amaningi namanye amawebhusayithi asebenzisa ama-photos.

Ingabe ukuguqulwa JPG kuya ku JFIF kugcina ukubukeka okucacile?

Ukubukeka okucacile kuhlala lapho uhamba ku-PNG, WebP, TIFF, GIF, noma SVG. Ukushintsha ku-JPG kuhlanganiswa isixhumi se-alpha esibhekene nesizinda esimhlophe - uma ukubukeka okucacile kubaluleke kakhulu kukusetshenziswa kwakho (i-web overlays, ilogos), bheka ifomu elikwaziyo ukubukeka okucacile endaweni ye JFIF = JPG.

Yini mayelana ne-EXIF metadata uma uguqula JPG usuka ku-JFIF?

Kuzo zonke izishintsho, ama-EXIF ama-camera afana nemodeli ye-camera nendawo ye-GPS afakwanga ku-JFIF. Akukho sinqumo kule khasi sokugcina noma ukususa i-metadata, ngakho hlola imiphumela ngombonisi we-metadata uma kubaluleke.

Ingabe ngingenza ukuguqulwa kwekhulu le JPG amafayela ku JFIF ngasikhathi sinye?

Amafayela amaningi emisebenzini eyodwa adinga iphrojekthi ekhokhelwa. Ukusetshenziswa okumahhala kuyisifayela esisodwa ngasinye sokuguqulwa, ukuguqulwa okufanayo ngehora. Kuphrojekthi ekhokhelwa ungangeza amafayela amaningi kumsebenzi owodwa, bese ulanda impendulo ngayinye yayo noma zonke ku-ZIP eyodwa.

Ingabe JPG kuya ku JFIF iqhathaniswa kanjani ne-Photoshop noma i-GIMP kumsebenzi owodwa?

Ukuguqulwa kwefomethi sisebenzisa i-libpng / libjpeg-turbo / libwebp / ImageMagick pipes efana ne-desktop editor esebenzisa, ngekhwalithi ye-output efana. Ushintsho luyindlela yokusebenza - amathuluzi wedesktop aphatha ifayela elinye ngasikhathi sinye; sivumela iqembu futhi sisebenzisana nabo ku-server-side.

Yini isixazululo kanye nezici zehele lami JFIF?

Ukuziphatha okuzenzakalelayo yi-1:1 — i-JFIF yakho yesokudla inezici ezifanayo ze-pixel njenge-JPG. Ukushintsha ubukhulu njengengxenye yokuguqulwa, sebenzisa /ukuguqula-sithombe/ ngaphambi noma ngemuva kwalo inyathelo. Ukuxhuma kushesha kunalokho kokubuyisela emuva kubungakanani obusha ngaphakathi kwepayipi lokushintsha.

Ingabe amafayela ami JPG afihlakele ngesikhathi sokuguqulwa?

Yebo. Amafayela JPG alayishwe phezulu aphathwa kumaseva ethu okuguqula, akukho muntu obhekana nawo, futhi angeke ahlukaniswe. Ukulayishwa kanye nokuguqulwa kwe JFIF kususwa ngokuzenzakalela cishe amahora angu-24 ngemuva kokuguqulwa, okushiya isikhathi sokulanda imiphumela. Bona /privacy/ ukufinyelela kunqubomgomo egcwele.

Kungani ihele lami eliguqulwe JFIF likhulu noma lincane kunalokho engilindele?

Ihele JPG elinamandla okucindezeleka (JPG enamandla okucindezeleka) livame ukukhula uma liphinde likhodwe ku JFIF (PNG, TIFF) okungenasici; i-bitrate ephezulu okungekho sici JPG livame ukuncipha kakhulu liya ku-JPG / WebP. Ukulingana kuxhomekeka kusithombe esiqukethwe — ama-photographs acindezeleka ngokuhlukile kakhulu ku-line art noma ama-screenshots.

Ingabe ngisebenzisa ifayela eliguqulwe JFIF ngebhizinisi?

Yebo. Ukuguquka kuyisimo sokuguqulwa kuphela - ilungelo lokushicilela kusithombe sihlala kuwe (noma umuntu ophethe isithombe ku-JPG umsuka). Sifaka i-watermark, sifaka ama-pixels wokulandelela, futhi sicela i-license ngaphezulu kwe-JFIF okuqukethwe.

JPG

Amafayela e-JPG asebenzisa ukucindezela okulahlekile okwenzelwe izithombe, okunikeza osayizi abancane bamafayela ngenkathi kugcinwa ikhwalithi yokubuka.