The tool generates an Excel or HTML report containing: Portability Summary: A percentage score for each assembly.
If you prefer the classic Portability Analyzer Console App , here is how to get started: portability analyzer new
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. The tool generates an Excel or HTML report
Use the command ApiPort.exe analyze -f [path-to-binaries] . Use the command ApiPort
A newer UI-driven tool specifically for binary analysis that offers color-coded dependency graphs (gray for safe, yellow for warnings, red for errors). How to Use the .NET Portability Analyzer
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: