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A high-performance Zarr V3/V2 library
Powered by Rust. Full support for Zarr V3 and a compatible subset of Zarr V2. Up-to-date with the specifications and accepted ZEPs.
zarrs-python includes a drop-in high-performance codec pipeline for the zarr-python reference implementation.
Supports filesystem, in-memory, and a huge range of object storage backends (e.g. HTTP, S3, GCP, etc.) via the object_store and opendal crates, and icechunk transactional storage.
✓ ZEP 2 - Sharding Codec
✓ ZEP 3 (Draft) - Variable Chunking
✓ ZEP 7 (Draft) - Strings
✓ bitround, zfp, pcodec, bz2, gdeflate codecs
zarrs• zarrs_reencode reencode, convert V2->V3, ...
• zarrs_ome create OME-Zarr multiscale images
• zarrs_filter manipulate arrays (crop, blur, ...)
... and more in zarrs_tools
Contributions are welcome.
• zarrs (github.com)
• zarrs-python (github.com)