Deploy IronOCR with Azure Functions: Step-by-Step Guide

Curtis Chau

Updated: July 6, 2026

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Deploying IronOCR to Azure Functions v3 & v4

• The Golden Rule - In Azure Publishing Config, Deploying Azure Functions from Visual Studio: make sure "Run from package file" is NOT checked. See attached images.
• Remember that System.Drawing has limited support for image processing on Linux. IronOCR uses its own bundled imaging engine rather than System.Drawing, so target a currently supported runtime such as .NET 8 (LTS) or .NET 10.

Curtis Chau

Technical Writer

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Curtis Chau holds a Bachelor’s degree in Computer Science (Carleton University) and specializes in front-end development with expertise in Node.js, TypeScript, JavaScript, and React. Passionate about crafting intuitive and aesthetically pleasing user interfaces, Curtis enjoys working with modern frameworks and creating well-structured, visually appealing manuals.

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