lossless

/ˈlɔsləs/
adjective
  1. Relating to a method of data compression that reduces file size without losing any original data or quality.
    • Photographers prefer lossless compression for editing because no image detail is discarded.
    • The audio file was saved in a lossless format to preserve the highest sound quality.
    • Lossless video codecs are used in professional film production to maintain perfect clarity.
Antonyms
What does "lossless" mean? | whatsthatwordmean | whatsthatwordmean