Portable Network Graphics

family of lossless compression bitmap image file formats

Portable Network Graphics (Often shortened to PNG) is a bitmapped image format that uses lossless data compression.

Their most common use is within transparent images, as it does support an alpha channel along with a 16-bit color channel.[1][2]


  1. "What Is the Alpha Channel in PNG Images?". MUO. 2016-03-14. Retrieved 2021-04-21.
  2. Roberts, Vernon (2020-03-03). "What's the Best Image Format?". Parris. Retrieved 2021-04-21.