Yuav ua li cas hloov screenshot txuag hom los ntawm PNG rau JPG ntawm Mac

Yog tias koj tseem thaij duab txhua hnub thiab tsis khaws cia rau koj tus kheej, tom qab ntawd cov lus qhia hnub no yuav muaj txiaj ntsig zoo rau koj. Nws tau ob peb hnub txij li koj xav paub yog vim li cas cov screenshots hauv macOS tau txais kev cawmdim hauv PNG hom los ntawm lub neej ntawd. Txij li thaum PNG hom ntawv yog ib hom ntawv uas tsis muaj compressed, nws qhov loj yog ntau zaus siab dua, piv txwv li, nyob rau hauv cov ntaub ntawv ntawm compressed JPG hom. Yog li ntawd, yog tias koj xav xa ib daim screenshot rau ib tug neeg, koj yuav tsum tau tos ntev rau nws upload, los yog koj yuav tsum shrink nws ua ntej xa nws. Txawm li cas los xij, koj tuaj yeem zam cov txheej txheem no thiab cia lub macOS operating system cia li khaws cov screenshots hauv JPG hom. Yog tias koj txaus siab yuav ua li cas, nco ntsoov nyeem tsab xov xwm no kom txog thaum kawg.

Hloov hom ntawv ntawm screenshots los ntawm PNG rau JPG

Raws li ib txwm muaj, nyob rau hauv rooj plaub ntawm kev cuam tshuam ntau dua rau hauv qhov system, peb yuav tsum siv Terminal, thiab qhov no kuj siv tau rau hauv qhov no. Terminal koj tuaj yeem qhib nrog tsom teeb, uas koj qhib ob qho tib si nrog keyboard shortcut Hais kom ua + Spacebar, los yog siv dandruff nyob rau sab xis saum toj ntawm qhov screen. Txawm li cas los xij, lub davhlau ya nyob twg tseem nyob hauv classical Daim ntawv thov, tshwj xeeb hauv subfolder npe jine. Tom qab pib thiab thauj khoom Terminal luam qhov no lus txib:

defaults sau com.apple.screencapture hom jpg;killall SystemUIServer

Ces muab tso rau hauv qhov rais Terminal. Tom qab ntxig, cia li nias Sau, uas yuav paub meej tias cov lus txib. Tom qab kev pom zoo lub qhov rais yuav flash, tab sis tom qab ob peb feeb txhua yam yuav rov qab mus rau qhov qub. Yog tias koj sim thaij duab tam sim no, koj tuaj yeem pom tias nws tau tsim hauv hom ntawv JPG thiab tsis nyob hauv PNG hom.

Cov duab thaij duab

terminal_change_update_times_macos1

hloov hom ntawv ntawm lub screenshot2

change_screenshot_format1

Yog tias koj xav rov qab mus rau hom PNG, piv txwv li vim tias koj mob siab txog qhov zoo ntawm cov duab tshwm sim, ces koj tuaj yeem ua tau. Tsuas yog siv cov txheej txheem uas tau muab saum toj no. Txawm li cas los xij, siv qhov no es tsis txhob siv cov lus txib qub lus txib:

defaults sau com.apple.screencapture hom png; tua SystemUIServer

Tom qab ntawd lees paub nws dua Nkag mus thiab tos rau lub Mac kom "rov qab" dua. Ib qho screenshots uas koj coj tam sim no yuav raug cawm hauv hom ntawv dua PNG.

Cov duab thaij duab #2

terminal_change_update_times_macos1

hloov hom ntawv ntawm lub screenshot2

change_screenshot_format2

Nov yog qhov koj tuaj yeem yooj yim tau txais tag nrho cov screenshots khaws tseg hauv JPG hom ntawm koj Mac. Raws li kuv tau hais ua ntej, qhov kev hloov pauv no tuaj yeem siv tau vim tias JPG cov duab siv qhov chaw tsawg dua. Koj tuaj yeem xa lawv mus rau ib tus neeg sai dua, lossis xa lawv nyob txhua qhov chaw ntawm lub vev xaib.

Kev sib tham ntawm tsab xov xwm

[Petersman]

Tab sis los ntawm… Kho nws….PNG tsis yog uncompressed! PNG yog Lossless compression piv rau JPG lossy compression. Yog lawm, PNG yog li me ntsis loj dua, tab sis nws yog compressed. Piv txwv li, .BMP yog uncompressed