API reference# Compression codecs Blosc BZ2 GZip LZMA LZ4 PCodec ZFPY Zlib Zstd Filter codecs Delta FixedScaleOffset Quantize Bitround PackBits Categorize AsType Shuffle Other codecs JSON Pickle MsgPack Codecs for variable-length objects Checksum codecs CRC32 CRC32C Adler32 Fletcher32 JenkinsLookup3 Codec API Codec Codec registry get_codec() register_codec() Zarr 3 codecs Bytes-to-bytes codecs Array-to-array codecs Bytes-to-bytes checksum codecs Array-to-bytes codecs