Portable Network Graphics

Internet > Practical
2021-10-03 16:06:49
PNG was created to improve GIF image-file format. Removing patent license issues at that time; and removing 256 colors limitation.
Common image file formats
PNG
Developed byW3C (donated by PNG Development Group)
Year1996
ProsWidely accepted format
Lossless
Transparency support
ConsLossless only. Poor compression for photographic images.
Features
Vector graphicsNo
Raster imageYes
LosslessYes
Animation support- Animated PNG is an extension to the PNG format which is compatible with the Gecko and WebKit layout engines and many image editing suites. Users of software incompatible with APNG see the first frame as a still.
Transparency supportYes
Layers supportNo
HDRNo
Maximum bit depth16-bit
CMYK support (for print)No
Maximum number of channels4 (RGBA)
Commonly used forIcons
Simple web graphics like logos
Illustrations, or raster text rendering
Browser support (without plugin)
Google ChromeYes
Microsoft EdgeYes
SafariYes
FirefoxYes
OperaYes
Internet ExplorerYes
Additional
File extensionsStill: .png; Animated: .png, .apng
Wikipediahttp://en.wikipedia.org/wiki/Portable_Network_Graphics
  • 2011-04-11 23:49:06
    2021-10-03 16:06:49
  • Practical
    English
  • Public
    Public
  • Creative Commons License CC-BY-SA 3.0 / GNU FDL