Description:

A compression algorithm is a technique for transforming a set of data into a reduced set of data as the output.

Lossless data compression can decompress back into an exact replica of the original data.

Glossary:

D

DEFLATE.
Lossless compression file format.

G

GZIP.
Lossless compression file format.

V

VCDIFF.
Compression file format.

Z

ZLIB.
Lossless compression file format.