Kusinthanitsa JPG

Masewera aulere a JPG Rotator

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Kukweza

Momwe mungasinthire JPG

1 Ikani JPG images yomwe idatuluka motsutsana ndi njira yoyenera.

2 Sankhani kuzungulira kwa katatu kapena katatu kachiwiri, kapena dinani m'mbali mwake ndi kusankha mtundu wa zigawo zomwe zidzawoneke.

3 Kugwiritsa ntchito kuzungulira; ma pixels ndi mfundo flag ndi kugwirizana kuti aliyense woonera amagwirizana pa mmene ndi pamwamba.

4 Pezani fayilo yosinthidwa ya JPG.

Kusinthanitsa JPG Mafunso Ofala

Kodi Kusinthanitsa JPG imasintha fayilo?

Kuphatikiza apo, kuzungulira ndi multiple ya 90 madigiri amachitika losslessly ndi transposing DCT ma blocks — palibe re-encode, palibe kubadwa kuwonongeka; okharbitrary angle ayenera resampling, chifukwa cha pixel grid yekha ayenera kukonzedwanso. Quarter turns ndi half turns ndi milandu yofala kwambiri ndipo imatenga njira yotsika mtengo yomwe ilipo pa mtundu.

Kodi ndingasinthire ndi malire a 90 degrees, osati 90 degrees?

Yaiwala, ngakhale awiri ndi ntchito zosiyanasiyana pansi. A multiple of 90 degrees rearranges opezeka deta; aliyense wina angular ayenera kubwezeretsa gridi ndi kulowa m’mphepete, kotero kuti amawononga resample ndi nthawi zambiri akufuna kujambula kumbuyo.

Kodi mtundu umasankha ngati kuzungulira kulibe kusowa?

Amachita. JPG imasunga RGB ya 8-bit pogwiritsa ntchito DCT yopanda phindu ndi 4: 2: 0 chroma subsampling mosalekeza, kotero malemba oyera ndi olimba ndi zinthu zoyamba zomwe zimayenera kuchepetsedwa. Ichi ndicho chomwe chimatsimikizira ngati chigawo chachiwiri chimayenda mwaulere kapena chimawononga kubwezeretsa koyamba.

Pali china chilichonse chokhudzana ndi JPG chomwe ndingadziwe?

Ndikofunika - zonse kupulumutsa re-kuyenda kwa quantumiser, choncho nthawi zambiri kusinthira ndi kubwezeretsa JPG kumapangitsa kuwonongeka kwa chitukuko ngakhale mutatha kuchepetsa slider yabwino. Ndi chinthu chomwe chimafotokoza chifukwa chake fayilo ikuwoneka bwino m'modzi mwa mapulogalamu ndi kuipa m'modzi.

N’chifukwa chiyani fayilo yanga imawoneka yoyenera pafoni yanga koma imawoneka mozungulira m’malo ena?

Chifukwa chakuti kuwala kwa chithunzichi kumasungidwa ngati EXIF flag, osati mu pixels, ndipo sikuti aliyense woyang'anira amaona bwinobwino. Kusinthasintha kwa chithunzichi kumasintha zinthu ziwirizi kuti zikhale zofanana — pixels ndi flag zimamaliza kugwirizana, ndipo fayilo imawoneka yofanana kulikonse.

Kodi ndingasinthire magulu onse m'modzimmodzi?

Ndikofunika. Ndikugwirizana ndi kuzungulira kwa thumbnail. Ndikugwirizana ndi kuzungulira kwa thumbnail. Ndikugwirizana ndi kuzungulira kwa thumbnail. Ndikugwirizana ndi kuzungulira kwa thumbnail. Ndikugwirizana ndi kuzungulira kwa thumbnail.

Kodi ndingapeze chiyani pa Kusinthanitsa JPG?

Chomwechocho m'banja la raster lothamanga - JPG, JPEG, JFIF ndi WebP - ndi mafomu osathamanga (PNG, BMP, TIFF) ngati mukufuna kuwaphatikiza m'modzi mwa iwo. Mafomu amawerengedwa kuchokera pamutu wa fayilo, osati kuwonjezeka, kotero chithunzi chosunga ndi suffix yosayenera ikhoza kupita.

Kodi pali malire a kukula kwa fayilo pa Kusinthanitsa JPG?

Yai: maakaunti aulere amapanga zithunzi mpaka ku 5 MB, zomwe zimakhudza kwambiri kamera iliyonse JPG ndi foni; ntchitoyi imachitika ndi libjpeg-turbo ndi libwebp, mabuku omwewo omwe amagwirizana ndi wolemba deta. Mafayilo akuluakulu ndi chinthu chimodzi chomwe chimalepheretsa chida chosalipira, ndipo chida chokha chili ndi fayilo imodzi kuposa fayilo imodzi.

Kodi Kusinthanitsa JPG idzachepetsa mtundu wa JPG images wanga?

A lossy chiyambi ndi kale zotsatira za m'modzi quantum pass, ndi chilichonse ntchito kuti ali ndi re-encode amawonjezera mphindi. pamene ntchito angachite popanda kukhudza pixel deta tikuchita kuti m'malo, ndipo pamene simungathe kusankha quality factor nokha kuposa kupeza fixed default.

Kodi ndingagwiritse ntchito Kusinthanitsa JPG pa JPG images angapo nthawi imodzi?

Yai. Chotsani zonse zomwe zili m'malo otsitsa ndipo zidzayang'ana mofanana ndi zosankha zofanana - zomwe ndichifukwa chachikulu chochita izi m'masamba osakatuli kuposa fayilo imodzi nthawi imodzi m'mutu. Maakaunti aulere amayendetsa fayilo imodzi panthawi ya batani; kutuluka kwachidule.

Kodi chimachitika ndi EXIF ndi mtundu wa profile deta?

EXIF ya kamera (ISO, shutter, lens, GPS) ndi ICC profile yophatikizidwa imapita ku default, chifukwa kuchotsa profile ndi komwe kumachititsa kuti mabala azisintha pa kulowanso.

Kodi Kusinthanitsa JPG imawononga chilichonse?

No. Kusinthanitsa JPG ndi ufulu popanda akaunti, palibe watermark pazotulutsa ndi palibe khoma lolembetsa m'mbuyo mwa kutsitsa. Kutsitsa kumatha kuchotsanso nthawi yochepa pambuyo pomaliza ntchito.