Quick Reference Table
| Hom ntawv | Pob tshab | Compression | Zoo tshaj rau |
|---|---|---|---|
| PNG | Yog lawm | Lossless | Pob tshab duab, duab, screenshots |
| JPG/JPEG | Tsis muaj | Lossy | Duab, duab hauv web |
| WEBP | Yog lawm | Ob leeg | Cov duab hauv Web (me dua PNG / JPG) |
| HEIC/HEIF | Yog lawm | Lossy | iPhone cov duab, cov koob yees duab niaj hnub |
| GIF | Binary | Lossless | Cov animations yooj yim, cov xim txwv |
| BMP | Tsis muaj | Tsis muaj | Cov duab qub Windows |
| TIFF | Yog lawm | Ob leeg | Kev tshaj lij / luam duab thaij duab |
PNG - Portable Network Graphics
PNG yog hom ntawv tshaj plaws rau cov duab pob tshab. Nws siv lossless compression, txhais tau tias tsis muaj qhov zoo ploj thaum txuag. Qhov no ua rau nws zoo tagnrho rau kev tshem tawm keeb kwm yav dhau - thaum koj xa cov duab pob tshab, PNG khaws cia zoo kawg nkaus ntug.
Siv PNG thaum: Koj xav tau pob tshab, qhov tseem ceeb tshaj plaws ntawm cov ntaub ntawv loj, duab thiab logos, screenshots.
Downside: Cov ntaub ntawv loj dua li JPG lossis WEBP.
JPG/JPEG — Pab pawg kws tshaj lij yees duab sib koom
JPG yog hom duab siv dav tshaj plaws rau cov duab. Nws siv lossy compression - qee qhov zoo yog txi rau cov ntaub ntawv me me. JPG tsis txhawb pob tshab, yog li nws tsis tuaj yeem siv rau pob tshab tom qab tshem tawm kev xa tawm.
Siv JPG thaum: Koj xav tau cov ntaub ntawv me me, cov duab tsis muaj pob tshab, duab rau lub vev xaib lossis sib koom.
Downside: Tsis muaj kev txhawb nqa pob tshab, kev poob zoo nrog txhua qhov txuag.
WEBP
WEBP yog ib hom ntawv niaj hnub tsim los ntawm Google uas txhawb nqa ob qho tib si lossy thiab tsis muaj compression, thiab qhov tseem ceeb, txhawb kev pom tseeb. Nws tsim cov ntaub ntawv me dua li PNG thiab JPG ntawm qhov zoo sib xws. Nws tau nce kev txhawb nqa thoob plaws browsers thiab daim ntawv thov.
Siv WEBP thaum: Koj xav tau cov ntaub ntawv me me nrog cov pob tshab, siv lub vev xaib, kev ua haujlwm niaj hnub.
Downside: Tsis muaj kev txhawb nqa thoob ntiaj teb los ntawm cov software qub.
HEIC/HEIF — Cov duab ua tau zoo heev
HEIC yog lub neej ntawd yees duab hom ntawm iPhones niaj hnub thiab qee cov khoom siv hauv Android. Nws muaj compression zoo heev (cov ntaub ntawv me dua li JPG ntawm qhov zoo dua) thiab txhawb kev pom tseeb. Txawm li cas los xij, nws tau txwv kev txhawb nqa ntawm Windows thiab ntau lub vev xaib.
Siv HEIC thaum: Nws yog koj lub koob yees duab hom ntawv. Rau kev sib koom, hloov mus rau JPG lossis PNG.
Nco tseg: QuickRemove lees txais HEIC ua ib hom kev tawm tswv yim, yog li koj tuaj yeem tso iPhone duab ncaj qha rau hauv.
GIF - Graphics Interchange Format
GIF yog qhov paub zoo tshaj plaws rau cov animations. Nws txhawb pob tshab, tab sis tsuas yog binary xwb (ib pixel yog pob tshab lossis tag nrho opaque - tsis muaj pob tshab). Nws yog txwv rau 256 xim, ua rau nws tsis haum rau cov duab tab sis zoo rau cov duab yooj yim thiab cov animations.
Siv GIF thaum: Koj xav tau cov animations yooj yim, pob tshab cov duab yooj yim.
BMP — Bitmap
BMP yog hom ntawv Windows qub uas tsis muaj compression. Cov ntaub ntawv loj heev. Nws tsis txhawb pob tshab. Tsis tshua siv niaj hnub no, tab sis QuickRemove lees txais nws raws li cov tswv yim.
TIFF — Tagged Duab File Format
TIFF yog siv hauv kev yees duab thiab tshaj tawm. Nws txhawb cov pob tshab, ntau txheej, thiab ob qho tib si lossy thiab tsis muaj compression. Cov ntaub ntawv zoo li loj. QuickRemove lees txais TIFF raws li kev nkag.
Hom ntawv twg rau kev tshem tawm tom qab?
- Cov tswv yim: Txhua hom ntawv ua haujlwm - QuickRemove lees txais PNG, JPG, WEBP, BMP, GIF, TIFF, thiab HEIC
- Cov zis (pob tshab): Siv PNG (universal) lossis WEBP (cov ntaub ntawv me dua)
- Cov zis (nrog keeb kwm yav dhau): JPG rau cov ntaub ntawv me me, PNG rau qhov zoo tshaj plaws, WEBP rau qhov zoo tshaj plaws ntawm ob qho tib si