jax2onnx ๐ŸŒŸ

February 9, 2026 ยท View on GitHub

CI PyPI version License Documentation

jax2onnx converts your JAX, Flax NNX, Flax Linen, Equinox functions directly into the ONNX format.

jax2onnx.svg

๐Ÿ“š Documentation

Read the full documentation here

๐Ÿš€ Quick Install

pip install jax2onnx

โšก Quick Usage

from jax2onnx import to_onnx
from flax import nnx

model = MyFlaxModel(...)
to_onnx(model, [("B", 32)], return_mode="file", output_path="model.onnx")

๐Ÿค Contributing

We warmly welcome contributions! Please check our Developer Guide for plugin tutorials and architecture details.

๐Ÿ“œ License

Apache License, Version 2.0. See LICENSE.

๐ŸŒŸ Special Thanks

A huge thank you to all our contributors and the community for their help and inspiration!


Happy converting! ๐ŸŽ‰