Portability Analyzer New < FREE · HANDBOOK >

Whether you are migrating a legacy .NET Framework application to the modern .NET 8/9 ecosystem or ensuring your libraries support multi-platform environments like Linux and macOS, understanding your code’s "portability score" is essential. The (often referred to as API Port or simply the Portability Analyzer ) has long been the gold standard for this task.

At its core, the .NET Portability Analyzer is a tool that scans your compiled assemblies (.dll or .exe) to identify which .NET APIs your code uses and whether those APIs are supported on your target platforms. Key target platforms often include: For modern, cross-platform performance. portability analyzer new

If you prefer the classic Portability Analyzer Console App , here is how to get started: Whether you are migrating a legacy

While many developers still search for the "new Portability Analyzer," it is important to note that the standalone tool's backend service has been deprecated. For a modern, supported experience, Microsoft recommends the following alternatives: A list of specific non-portable APIs and recommended

Download the API Portability Analyzer as a console app or install the extension for Visual Studio 2017/2019 (note: it is not supported in Visual Studio 2022 and later).

A list of specific non-portable APIs and recommended alternatives. Benefits of Portability Analysis The .NET Portability Analyzer - Microsoft Learn

Set your target platforms (e.g., .NET 8.0) in the tool settings. Run Analysis: