Tahuri PNG Tuhinga o mua JPG

Tahurihia Tō PNG Tuhinga o mua JPG kōnae ngawari

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Tukuatu ana

Me pēhea te huri PNG Tuhinga o mua JPG

Hipanga 1: Tukuatu tō PNG ngā kōnae mā te whakamahi i te pātene i runga ake nei, mā te tōia me te whakataka rānei.

Hipanga 2: Pāwhiritia te pātene 'Tahuri' hei tīmata i te tahuritanga.

Hipanga 3: Tikiake i tō mea kua tahurihia JPG kōnae

PNG Tuhinga o mua JPG Ngā Pātai Auau mō te Tahuritanga

He pēhea te tahuri i a PNG ki JPG me te kore e ngaro te āhuatanga whakaahua?

Whakaata atu i tōna PNG me te whakarerekētanga e hoatu ana i te whakarei ake o te āhua-āhua mō JPG. Mō te kore ngaro JPG (PNG, TIFF, BMP) ka tiakina ia pītaki; mō te ngaro JPG (JPG, WebP) ka taea te whakarerekē i te take ā-hua i mua o te tāpiritanga. Ka whakamahia e PNG te whakawhāititanga DEFLATE i runga i ngā raina tātari tātari, kia ora ai ia pikitia, tae atu ki tētahi kanikani ā-arawhiti 8-biti. He ngaro te JPG: ka hurihia te whakaahua ki tētahi DCT, he nui, he waehere entropi, me te kāwae āhuatanga e whakahaere ana i te nui e whakawāteatia ana.

He nui te āhuatanga ka ngaro ahau i te haere mai i te PNG ki te JPG?

I te āhuatanga 80-85 kāore e kitea te rerekētanga i te tawhiti tirohia noa iho, ā, ko te nuinga o te wā ka whakapeka te faila e 60-80%. Ko te ātete he huarahi kotahi: ko te tiaki i te JPG anō i te wā kotahi e whakakotahi ana i ngā ahanoa. Whakataki te PNG hei matua, ā, ka whakahōu anō te JPG mai i tēnei i te wā e hiahiatia ana e koe he rahi hōu. Ko PNG te kōwhiringa tika mō ngā whakaahua mata, ngā tohu, ngā toi raina me ētahi atu mea me ngā taitapa mārō, mārama rānei — kāore he whakawhāiti, kāore he tae.

Ka pupuri te tahuritanga o te tahuritanga PNG ki JPG?

Ka ora te mārama ina PNG, WebP, TIFF, GIF, SVG rānei te JPG. Ka whakarerekē te tahuri ki JPG i te kanikani ā-autōhiko ki tētahi papamuri mā. Mēnā e hiahiatia ana e koe te mārama i roto i te hua, ka ūngatia he mārama-mārama JPG i te wāhi o JPG=JPG. Ko JPG te paerewa JPEG mai i te tau kotahi mano e 1992, ā, i muri i ngā tekau tau e toru ko te āhua tonu o te nuinga o ngā kāmera me te nuinga o ngā whatunga e whakamahia ana mō ngā whakaahua.

He aha mo te metadata EXIF ina tahuri PNG ki JPG?

In most conversions, camera EXIF fields such as the camera model and GPS position are not carried into the JPG. There is no setting on this page to keep or remove metadata, so check the result with a metadata viewer if it matters.

Ka taea e au te tahuri-whakahaere i te maha o ngā PNG ngā pūranga ki JPG i tētahi wā?

Several files in one job need a paid plan. Free use is one file per conversion, one conversion an hour. On a paid plan you can add several files to one job, then download each result on its own or all of them in one ZIP.

He aha te rongoā o te JPG tātau pūranga?

Ko te pūmau ko te 1:1 — e pupuri ana tōtou JPG i ngā ahu pikitia o te pūtake PNG. Mēnā e hiahiatia ana e koe te whakarea hei wāhanga o te tahuritanga, ka whakamahia /resize-image/ i muri i te tahuritanga, ka whakapā atu rānei ki te utauta /image-resize/.

He tūmataiti ahau PNG i te wā o te tahuritanga?

Yes. Uploaded PNG files are processed on our own conversion servers, no person reviews them, and they are never shared. The upload and the converted JPG are both deleted automatically about 24 hours after the conversion, which leaves time to download the result. See /privacy/ for the full policy.

Why is my converted JPG bigger or smaller than I expected?

Ko te PNG me te whakawhāititanga kaha o nāianei (JPG ngaro) ka tipu ina whakawaengatia anō ki te kore ngaro JPG (PNG, TIFF). Ko te PNG kore ngaro ka whakaiti i te nuinga o te wā e haere ana ki JPG / WebP. E whakawhirinaki ana te ōwehenga ki ngā ihirangi whakaahua — he rerekē te whakawhāititanga o ngā whakaahua i te toi raina. He pūāhua whakaahua kino te PNG: ko te whakaahua i tiakina hei PNG, e rima ki te tekau ngā wā e nui ake ana i te whakaahua ōrite, pēnei i te JPG, i te WebP rānei. Kāore he mārama a JPG, ka whakapeka anō i ia wā ka tiakina, ā, ka whakaputaina i te ātetetanga mārama i runga i te tae mārama me te kupu mārama.

PNG

Ka tautokohia e ngā kōnae PNG te māramatanga, ā, ka whakamahia te kōpeketanga kore-ngaro, he mea tino pai mō ngā whakairoiro, ngā waitohu, me ngā hopu mata.

JPG

Ka whakamahi ngā kōnae JPG i te kōpeketanga ngaronga kua arotauhia mō ngā whakaahua, kia iti ai ngā rahi kōnae me te pupuri tonu i te kounga tirohanga.