Tshintsha PNG kuya GIF

Guqula Eyakho PNG kuya GIF 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 PNG kuya GIF

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

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

Isinyathelo 3: Landa i-version yakho GIF amafayela

PNG kuya GIF Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiyiguqula kanjani i-PNG ibe yi-GIF ngaphandle kokulahlekelwa ubuhle besithombe?

Layisha phezulu ihele lakho PNG futhi umguquli ufaka ukulungisa umgangatho okwaziyo ifomu le GIF. Ukungabi nalutho GIF (PNG, TIFF, BMP) wonke ama-pixel agcinwa; ukungabi nalutho GIF (JPG, WebP) ungalungisa umphumela womgangatho ngaphambi kokulayisha. I-PNG isebenzisa ukucindezelwa kwe-DEFLATE phezu kwemigqa yokuskena ehlolwe, ngakho wonke ama-pixel ahlala ngokugcwele, kanye ne-8-bit alfa channel ephelele. I-GIF ayilahleki kodwa iphoqeleke kumbala we-256-palette ngefremu ngayinye, usebenzisa ukucindezeleka kwe-LZW nokucacile kwe-binary ngombala owodwa.

Ingabe kukhona okulahlekile ekushintsheni phakathi kwe PNG ne GIF?

Akukho data ye-pixel, cha. Ifomethi zombili zigcina isithombe ngaphandle kokucindezeleka okulahlekile, ngakho isithombe esiphumayo sifana nesinye esingene ngaphakathi futhi ukuguqulwa kungaphinda kwenziwe ngaphandle kweso. Okunye okushintshayo yisayizi yefayela, futhi okunye okuphawulekayo ukushayela — ububanzi bombala, amaprofayili afakwe, ama-layers kanye nobuciko bonke baxhaswa ngokuhlukile phakathi kwefomethi engalahlekile.

Ingabe PNG kuya ku GIF ukuguqulwa kugcina ukubukeka okucacile?

Ukubukeka okucacile kuqhubeka uma GIF i-PNG, WebP, TIFF, GIF, noma SVG. Ukushintsha ku-JPG kwenza i-alpha channel ibe mhlophe. Uma ufuna ukubukeka okucacile esinqumweni, bheka ukubonakala okucacile okuqaphelayo GIF endaweni ye-GIF=JPG. I-GIF iyifomethi ye-CompuServe ye-1987, futhi isizathu esingenalutho sokuthi ikhulele ukuthi isebenza ngokuzijabulisa.

Ingabe iprofayili yami yombala (sRGB / Adobe RGB / CMYK) izohlala PNG kuya GIF?

Amaprofayili wemibala we-ICC afakwe ngaphakathi afundeka kusuka ku-PNG futhi axhunywe kabusha ku-GIF lapho ifomu lixhasa khona (JPG, PNG, TIFF, WebP). Amafomu enza iphrofayli ayixhasi ubuyela emuva ku-sRGB, okugcina amamibala ahambisana nemboniso yamanje.

Yini mayelana ne-EXIF metadata uma uguqula PNG kuya ku GIF?

Ikhamera EXIF (ISO, i-shutter, i-lens, GPS coords) igcinwa ngokuzenzakalela ngesikhathi PNG → GIF lapho amafomethi amabili exhasa i-metadata. Sebenzisa ukhetho lokufihla ukususa i-metadata ngaphambi kokulayisha uma ufuna ukuhlanganisa izithombe ngaphandle kokubeka indawo.

Ingabe ngingakwazi ukushintsha amafayela amaningi PNG abe GIF ngasikhathi sinye?

Yebo — cindezela amafayela ahlukahlukene PNG endaweni yokulayisha bese siwafaka emgodini ngokufanayo. Abasebenzisi abamahhala bathola i-100 MB ngefayela ngalinye; iPremium ayinaso isikhala ngasinye sefayela futhi isebenza nabasebenza ngokufanayo, ngakho-ke isithombe esingu-200 siqediwe ngezansi kwemizuzu emibini.

Ingabe PNG kuya ku GIF iqhathaniswa kanjani ne-Photoshop / GIMP ngemisebenzi efanayo?

Ukuguqulwa kwefomethi eqondile sisebenzisa i-libpng / libjpeg-turbo / libwebp / ImageMagick pipes efana ne-desktop editor, ngekhwalithi yokuphuma efana. Ushintsho luyi-batch parallel handling — desktop applications open one file at a time; we accept a batch.

Yini isixazululo esizobe sikhona kuhele GIF?

Okuzenzakalelayo yi-1:1 — GIF yakho igcina ama-pixels alinganayo we-PNG. Uma ufuna ukuguqula ubukhulu njengengxenye yokuguqulwa, sebenzisa /resize-image/ ngemuva kokuguqulwa, noma uyibeke nge /image-resize/ utility.

Ingabe i GIF ingancane uma ingabonakali i-artifacts?

I-JPG / WebP, umgangatho 75-85 uvame ukuthola i-GIF 60-80% encane kune-PNG ngaphandle koshintsho olubonakalayo emgwaqweni wokubuka ojwayelekile. I-lossless GIF (PNG, TIFF), cabanga ukulondoloza okuncane - ngokuvamile 5-30% nge-deflate / LZW yokucindezela. Umbukiso we-GIF udlala kuwo wonke amasayithi — amaklayenti we-imeyili, ama-forum, ama-apps wokuxoxa nama-browser wonke awenza ngaphandle kokuxoxa nge-codec.

Ingabe amafayela ami PNG afihlakele ngesikhathi sokuguqulwa?

Yebo — amafayela alayishwe phezulu PNG aqhubekelwa emisebenzini ehlukanisiwe futhi asuswa ngaphakathi kwemizuzu. Asikwazi ukufunda, ukugcina isikhathi eside, noma ukuhlanganisa idatha ye-pixel. Ifasitela eligcwele lokugcinwa libhalwe ku /privacy/.

Ingabe i-PNG kuya ku-GIF isebenza ngezithombe ezinkulu kakhulu (50MP+)?

Yebo, mahhala kuze kube yi-100 MB. I-Premium iphatha izingeniso ezinkulu (300 MB+) kanye ne-exotic pixel-per-depth (16-bit PNG, 32-bit float TIFF). Ipayipi lisakaza imigomo ukuze umlando usebenzise izilinganiso ngenani lemigomo, hhayi inani le-pixel.

Kungani i-GIF yami eguqulwe ikhula noma incane kunalokho engilindele?

A PNG nge-compression ekhona enamandla (JPG elahlekile) ivame ukukhula uma iphinde ikhodwe ku-lossless GIF (PNG, TIFF). A lossless PNG ivame ukuncipha ngokujulile uma ihamba ku-JPG / WebP. Ukulingana kuxhomekeke kusithombe sesithombe - ama-photos acindezelwa ngokuhlukile kusuka ku-line art. I-PNG iyifomethi yesithombe esibi: isithombe esigcinwe njenge-PNG sivame ukuba likhulu izikhathi eziyisithupha kuya kweziyishumi kunesithombe esifanayo njenge-JPG noma i-WebP. I-GIF's 256-color ceiling ibulala ama-gradients namavidiyo ahlala, futhi i-file sizes yayo ye-animations i-order of magnitude ebi kunayo i-WebP noma i-MP4.

PNG

Amafayela e-PNG asekela ukucaca futhi asebenzisa ukucindezela okungenakulahlekelwa, okwenza afaneleke kakhulu kuma-graphics, ama-logo, kanye nezithombe-skrini.