Version: 2.18.2.dev3

Download documentation: PDF/Zipped HTML

Useful links: Installation | Source Repository | Issue Tracker | Zulip Chat

Zarr is a file storage format for chunked, compressed, N-dimensional arrays based on an open-source specification.

Getting Started

New to Zarr? Check out the getting started guide. It contains an introduction to Zarr’s main concepts and links to additional tutorials.


The tutorial provides working examples of Zarr classes and functions.

API Reference

The reference guide contains a detailed description of the functions, modules, and objects included in Zarr. The reference describes how the methods work and which parameters can be used. It assumes that you have an understanding of the key concepts.

Contributor’s Guide

Want to contribute to Zarr? We welcome contributions in the form of bug reports, bug fixes, documentation, enhancement proposals and more. The contributing guidelines will guide you through the process of improving Zarr.