Buyisela ubukhulu JPG

Isibonisi sesimo esivulekile JPG

Khetha amafayela akho

*Amafayela asusiwe ngemva kwamahora angu-24

Ukuguqula ubukhulu bezinto ezikhethwayo:

Ububanzi (px)

Ubude (px)

Gcina isilinganiso sesimo

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

Ukulayisha

Indlela yokuguqula ubukhulu JPG

1 Layisha phezulu i-JPG images oyifunayo ukuguqulwa isilinganiso - sebenze kusuka ku-original enkulu onayo endaweni yokukopela okwenze wancipha kabili.

2 Misela ubukhulu obusha: kusithombe, ububanzi nobude kumapixels nge-aspect-ratio lock ekhethiwe; kuvidiyo, enye yezinto ezisetshenzisiwe ezisuka ku-1920x1080 kuze kube yi-640x360.

3 Qala ukuguqula ubukhulu; isithombe silinganiselwe kubukhulu obukhethiwe.

4 Layisha phezulu ifayela elisha le-JPG.

Buyisela ubukhulu JPG Imibuzo Evame Ukubuzwa

Indlela i Buyisela ubukhulu JPG eshintsha ngayo izilinganiso?

Ngokucacile, isithombe siphinde sisampuliwe nge-Lancos filter bese siphinde sikhodwe, okukusho ukuthi ukuguqula ubukhulu kuphinde kube nokucindezela — ngakho yenza njalo kusuka ku-original enkulu onayo kunezigaba. Isithombe sidinga ububanzi nobude be-pixels; ividiyo idinga ukukhetha enye yezinto ezisetshenzisiwe. Isebenza kusuka ku-original hhayi kusuka ku-copy sized.

Ingabe ngigcina isilinganiso sesimo, noma ngicindezele izilinganiso ezifanele?

Zonke ezimbili. Khusela isilinganiso futhi ubukhulu olunye luvela kwezinye, okuwukuthi ofunayo cishe njalo. Khusela futhi uthola inani elifanele obhalelayo, ngezindleko zokuziqinisa — okudingekayo ku-slot eqinile, okungalungile ku-photo.

Ingabe ifomethi yomsuka ithinta imiphumela yokuguqula ubukhulu?

Isebenza. I-JPG igcina i-8-bit RGB nge-DCT elahlekile nge-4:2:0 chroma subsampling ngokuzenzakalela, ngakho umbhalo obomvu oqinile kanye nama-edge anzima yizinto zokuqala zokuncibilikisa. Lokhu kusho ukuthi ngabe ukuncipha kwehele kuyisimangalo se-pixels noma simangalo sokuphinde ubhale kabusha.

Ingabe kukhona okuthile okukhethekile ku JPG okufanele ngibhekane nalo?

Yebo — ngayinye igcina iphinde iqhube i-quantiser, ngakho ukuhlela futhi ugcine kabusha i-JPG kuholela ekulahleni kokukhiqizwa noma ngabe awukhuphuli i-slider yekhwalithi. Kufanele ukuhlola ngaphambi kokuguqula ubukhulu behele, ngeke ukwazi ukulivuselela.

Yini iphutha elivame kakhulu uma ushintsha ubukhulu JPG images?

Ukuphakama. Ukukhululwa akukwazi ukusungula imingwane engakaze ithathwe, ngakho-ke imiphumela iyisiguqulo esilula sokuqala esingubukhulu obukhulu. Qaphela ushintsho lwesayizi ngezansi kusuka kumthombo omkhulu onawo, futhi ushintshe isayizi kabili ngaphezu kokwehla.

Yini izilinganiso okufanele ngizibeke njengenjongo?

Uzofana nesiteshi esizohlala kuso. Umdlali wewebhu ogcwele ububanzi angeke afune okungaphezu kuka-1920 pixels ububanzi, isithombe sezinto ezingaphakathi 1200, ithumbnail 400, futhi ukudubula lezi nombolo kuzoba ne-high-DPI screens. Noma yini engaphezu kwalokhu yi-bytes akukho muntu obona.

Yini engikwazi ukuyifaka ku Buyisela ubukhulu JPG?

Noma yini emndenini we-lossy raster — JPG, JPEG, JFIF ne-WebP — kanye nefomethi engalahleki (PNG, BMP, TIFF) uma ufuna ukuzixhuma ndawonye. Ifomethi ifundwa kusuka kuhele lombhalo ophezulu, hhayi isizukulwane, ngakho isithombe esigcinwe nge-suffix engalungile sizoqhubeka sihamba.

Ingabe kunesilinganiselo sobukhulu behele ku Buyisela ubukhulu JPG?

Yebo: ama-akhawunti amahhala asebenza ngezithombe kuze kube yi-5 MB ngayinye, ehlanganisa ngokuyinhloko yonke ikhamera JPG nesithombe sefoni; umsebenzi ukwenziwa yi-libjpeg-turbo ne-libwebp, ama-library afanayo umhleli wedesktop uxhumana nawo. Amafayela amakhulu yizinto ezincane ezizokuvimbela ukungena ku-free level, futhi umkhawulo uhele ngalinye hhayi iqembu ngalinye.

Ingabe Buyisela ubukhulu JPG izonciphisa ukhwalithi ye JPG images yami?

Umsuka olahlekelwayo usuke umphumela wesikhathi sokungena esingu-1, futhi noma yisiphi isenzo esidinga ukuphinde sikhombise sifaka isithathu. lapho umsebenzi ungakwenziwa khona ngaphandle kokuchofoza i-pixel data sizokwenza lokho endaweni, futhi lapho kungasakwazi khona ukhetha i-quality factor wena ngokwakho ngaphezu kokuthola iphutha eliqinile.

Ingabe ngizosebenzisa Buyisela ubukhulu JPG ku JPG images amaningi ngasikhathi sinye?

Yebo. Thola isethulo esigcwele endaweni yokulayisha bese zihamba ngokufanayo nezilungiselelo ezifanayo - lokhu kuyisizathu esiyinhloko sokwenza lokhu kubrowser ngaphezu kwefayela elilodwa ngasikhathi sinye kumhleli. Ama-akhawunti amahhala aqhuba ifayela elilodwa ngasikhathi sinye; i-pass lifts that.

Yini ekwenzeke ku-EXIF nedatha yeprofayili yombala?

Kuxhomekeka kwithuluzi. Ukucindezela kususa i-EXIF kanye neprofayili yombala ofakwe ngaphakathi ukuze ugcine indawo, ngenkathi ukuhlela njengenguqulo yosayizi noma ukujikeleza kungagcina. Akukho sinqumo kulekhasi lokukhetha, ngakho hlola ifayela ngombonisi wedatha yemeta ngaphambi kokuyishicilela uma idatha yendawo ibalulekile.

Ingabe Buyisela ubukhulu JPG ibiza noma yini?

No. Buyisela ubukhulu JPG imahhala ngaphandle kwe-akhawunti futhi ifaka i-watermark. Ukulayisha kanye nemiphumela isuswa ngokuzenzakalela cishe amahora angama-24 ngemuva komsebenzi, oshiya isikhathi sokulanda imiphumela.