Guqula JPG ukuba JFIF

Guqula Eyakho JPG ukuba JFIF iifayile ngokulula

Khetha iifayile zakho

*Iifayile zicinyiwe emva kweeyure ezingama-24

Guqula iifayile ezifikelela kwi-1 GB simahla, abasebenzisi bePro banokuguqula iifayile ezifikelela kwi-100 GB; Bhalisa ngoku

Iyalayisha

Indlela yokuguqula JPG ukuba JFIF

Inyathelo 1: Layisha eyakho JPG iifayile usebenzisa iqhosha elingasentla okanye ngokutsala nokuwisa.

Inyathelo lesi-2: Cofa iqhosha elithi 'Guqula' ukuze uqalise ukuguqula.

Inyathelo lesi-3: Khuphela i-converted yakho JFIF iifayile

JPG ukuba JFIF Imibuzo Ebuzwa Rhoqo Ngokuguqula

Ndiyiguqula njani i-JPG ibe yi-JFIF ngaphandle kokulahlekelwa umgangatho womfanekiso?

Layisha phezulu ifayili yakho ye JPG kwaye umguquli usebenzise ukuphuculwa komgangatho owaziyo ifomati yemveliso ye JFIF. Kwiinjongo ezingalahlekiyo (PNG, TIFF, BMP) yonke i-pixel igcinwa; kwiinjongo ezilahlekiyo (JPG, WebP, AVIF) ungalungisa isizathu somgangatho phambi kokukhuphela. I-JPG yi-JPEG eqhelekileyo ukusukela ngo-1992, kwaye emva kweminyaka emithathu ihlala i-format esetyenziswa ziikhamera ezininzi kunye ne-web sites ezininzi zomfanekiso.

Ingaba uguqulelo JPG ukuya ku JFIF lugcina ukubonakala ngaphaya?

Ukubonakala ngaphaya kuqhubeka xa usiya kwi-PNG, WebP, TIFF, GIF, okanye SVG. Ukutshintsha kwi-JPG kugubungela isiqhagamshelanisi se-alpha phantsi kokungasemva omhlophe - ukuba ukubonakala ngaphaya kubaluleke kakhulu kwimisebenzi yakho (ukubonakala ngaphaya kwe-web, ilogos), cwangcisa ifomati eyaziyo ukubonakala ngaphaya endaweni ye JFIF = JPG.

Yintoni malunga ne-EXIF metadata xa uguqula JPG ukuya ku JFIF?

Kwiziguqulelo ezininzi, iimayile ze-EXIF zekhamera ezinjengemodeli yekhamera kunye nendawo ye-GPS azithunyelwe kwi-JFIF. Akukho mmiselo kule phepha ukugcina okanye ukususa i-metadata, ngoko khangela isiphumo ngombonisi we-metadata ukuba kubaluleke.

Ndingaguqula izigidi zeefayili JPG zibe JFIF ngaxeshanye?

Iifayile ezininzi kumsebenzi omnye zifuna inkqubo ehlawulweyo. Ukusetyenziswa okukhululekileyo yifayile enye ngoguqulelo, uguqulelo olunye ngeyure. Kwinkqubo ehlawulweyo ungadibanisa iifayile ezininzi kumsebenzi omnye, emva koko ulayishe impumelelo nganye kwiyo okanye zonke kwi ZIP enye.

I-JPG ukuya kwi-JFIF ithelekiswa njani ne-Photoshop okanye i-GIMP kumsebenzi ofanayo?

Uguqulelo lwefomati siqhuba i libpng / libjpeg- turbo / libwebp / ImageMagick imibhobho efanayo umhleli we desktop ayisebenzisayo, ngemveliso efana neyona. Utshintsho luhamba - isixhobo se desktop siphatha ifayile enye ngexesha; siyayamkela iqela kwaye siqhuba ngaphaya kweseva- icala.

Ingaba i-JFIF iya kuba nesisombululo esinjani na?

Ukuziphatha okungamiselwanga kuku 1:1 — i-JFIF yakho yemveliso inezinto ezilinganayo ze-pixels njenge-JPG yommthombo. Ukuguqula ubungakanani njengenxalenye yokuguqula, sebenzisa /resize-image/ phambi okanye emva kwesi sigqibo. Ukuqhagamshelana kukhawulezayo kunekuphinde ukwenziwa kubungakanani obutsha ngaphakathi kwenkqubo yokuguqula.

Ingaba iifayile zam JPG zifihlakeleyo ngexesha lokuguqulwa?

Ewe. Iifayile ezilayishwe phezulu ze JPG ziqhubekekiswa kwiseva yethu yokuguqula, akukho mntu ujonge phezulu, kwaye azisasazwanga. Ukukhuphela kunye nokuguqulwa kwe JFIF kususwa ngokuzenzekelayo malunga neyure ezili-24 emva kokuguqulwa, oshiya ixesha lokulayisha ezantsi iziphumo. Bona /privacy/ kwinkqubo epheleleyo.

Kutheni i-JFIF ifayili yam eguqulweyo incinci okanye ikhulu kuneleyo ndiyifumeneyo?

Ifayili JPG enesici esinamandla (i-JPG enesici esinzima) ihlala ikhula xa iphinde ikhowudiwe ibe yi-lossless JFIF (PNG, TIFF); i-bitrate ephezulu enesici esinzima JPG ihlala ikhula incinci kakhulu ifike kwi-JPG / WebP. Uthelekiso luxhomekeke kwizinto eziqulethe umfanekiso — iifoto zicinywa ngendlela eyahlukileyo kakhulu kunaleyo yomzobo womgca okanye imifanekiso eqingqiweyo yekhusi.

Ndingayisebenzisa ifayili eguqulweyo JFIF ngemali?

Ewe. Uguqulelo lutshintsho lwefomati kuphela - ilungelo lokushicilela kwizinto eziqulethe umfanekiso lihlala kuwe (okanye umntu ophetheyo kumgca womthombo JPG). Asifakwanga uphawu lwamanzi, asifakwanga ii-pixels zokulandelela, kwaye asiyi kufaka isicelo selayisensi ngaphezulu kwe-JFIF.