Version 4.1.0 released on 2026-01-28! pip install blosc2 -U
Python-Blosc2: Compress Better, Compute Bigger
Full-Fledged NDArrays
NDArray objects enable efficient storage and manipulation of arbitrarily large N-dimensional datasets, following the Array API standard, with an additional C API.
Uncomplicated Format
Blosc2’s format is simple and accessible, with specifications under 4000 words that make it easy to read and integrate.
Getting Started
New to Python-Blosc2? Check out the getting started guides. They contain an introduction to Python-Blosc2 main concepts and different tutorials.
API Reference
The reference guide provides a comprehensive description of the Python-Blosc2 API, detailing how functions work and their available parameters.
Development
Found a typo in the documentation or want to improve existing functionality? The contributing guidelines will walk you through the process of enhancing Python-Blosc2.
Release Notes
Want to see what’s new in the latest release? Explore the comprehensive release notes to discover new features, improvements, bug fixes, and important changes across all versions.