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PyPI · #580 most downloaded on PyPI
Zopfli module for python
Last release 3 months ago
10 Jun 2026
Ships fairly regularly
a new release about every 9 months
Some releases are documented
notes for 14 of 25 stable releases
Nothing withdrawn
no release was ever pulled
14 years old
28 releases · first in 2013
Add Windows ARM64 wheel to CI build matrix by @anthrotype in #33
Support building on free-threaded Python by @ngoldbaum in #30
Full Changelog: v0.4.1...v0.4.2
One column per quarter.
The upstream google/zopfli repo is archived, so we switched the submodule to the fonttools fork which includes a fix for unaligned memory access that
The upstream google/zopfli repo is archived, so we switched the submodule to the fonttools fork which includes a fix for unaligned memory access that caused SIGBUS on strict-alignment architectures such as SPARC (fonttools/zopfli#1, #28).
Use CPython's Py_LIMITED_API to build and upload a single abi3 -tagged wheel per platform instead of one for each python minor version, reducing the n
Use CPython's Py_LIMITED_API to build and upload a single abi3-tagged wheel per platform instead of one for each python minor version, reducing the number of wheels published to PyPI from 40+ to 10 or so, and avoiding the need to build new set of wheels once a new python (e.g. 3.15) is out next year.
Testing upload of abi3 wheels to PyPI
Testing upload of abi3 wheels to PyPI
Dropped support for python 3.8 and 3.9, we now require 3.10+. Added wheels for Python 3.14 and PyPy 3.11. No other code changes since the previous ver
Dropped support for python 3.8 and 3.9, we now require 3.10+.
Added wheels for Python 3.14 and PyPy 3.11.
No other code changes since the previous version.
Testing PyPI upload still works
Testing PyPI upload still works
Added wheels for Python 3.13. No other code changes since v0.2.3.
Added wheels for Python 3.13. No other code changes since v0.2.3.
Dropped support for Python 3.7, added support for Python 3.12. No other code changes.
Dropped support for Python 3.7, added support for Python 3.12. No other code changes.
Added pyproject.toml to source distribution
[zopfli.png] Only print debug info to console output when -v/--verbose flag is used.
Dropped support for EOL Python 2.7 and 3.6, require Python 3.7+ (#16).
zopfli.png.optimize method. Also available from the command line as python -m zopfli.png; mimics the upstream's zopflipng c++ executable (#17).Allow to link against system installed zopfli library by setting USE_SYSTEM_ZOPFLI environment variable (#9).
Nothing published for this version
Nothing published for this version
Nothing published for this version
Fixed automatic upload from Travis to PyPI.
Fixed automatic upload from Travis to PyPI.
Added pre-compiled wheels for python3.7
Added pre-compiled wheels for python3.7
Updated zopfli submodule to 1.0.2.
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
Nothing published for this version
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