lossless compression
Comparison of file archivers
Data compression
David A. Huffman
Entropy (information theory)
Grammar-based code
Hutter Prize
Information theory
Kolmogorov complexity
List of codecs
Lossless Transform Audio Compression (LTAC)
Lossy compression
Normal number
Universal code (data compression)
https://en.wikipedia.org/wiki/Lossless_compression