fiddyschmitt 

Random-access (seekable) reading of zstandard streams: reads and writes the official zstd seekable format, and builds a verified resume-point index for ordinary (non-seekable) zstd streams.

Random-access (seekable) reading of xz (LZMA2) streams: seeks multi-block .xz files via their native block index, and builds a verified resume-point index for single-block streams. Self-contained managed code;... More information

Random-access (seekable) reading of gzip (DEFLATE) streams: builds a verified zran-style checkpoint index (32 KiB window + bit offset per point) and serves a standard seekable Stream over the data. Handles... More information