This is a PowerShell module for reading DLLs information.
It can be used to find out what's the build configuration, target CPU and more.
Module is available on Powershell Gallery
Install-Module -Name DLLInfo
Import-Module DLLInfo
Get-BuildConfiguration "C:\dll\SiteMetadata.dll"
Release
Get-TargetCPU "C:\dll\SiteMetadata.dll"
AnyCPU
Get-JitOptimized "C:\dll\SiteMetadata.dll"
True