---
title: utils.export.onnx API Reference
description: Reference for the Ultralytics ONNX export utilities. Learn how ONNX INT8 quantization uses ONNX Runtime calibration data readers.
keywords: ONNX export, ONNX INT8, onnxruntime quantization, CalibrationDataReader, Ultralytics, model export, quantization
---

# Reference for `ultralytics/utils/export/onnx.py`

!!! success "Improvements"

    This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/export/onnx.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/export/onnx.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing) — thank you! 🙏

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## ::: ultralytics.utils.export.onnx.onnx_calibration_reader

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## ::: ultralytics.utils.export.onnx.onnx_int8_quantize

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